JPH09116626A - Device for diagnosing and analizing fault - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve diagnosis precision, to shorten a fault restoring time and to reduce maintenance expence by providing a means for calculating a doubtfulness degree every print plate package in a doubtfulness fault print plate package group. SOLUTION: A doubtfulness fault degree analizing part 130 calculates the respective doubtfulness degrees at each package of doubtfulness fault package group which is detected by referring to fault input information D1 inputted from a fault information input part 110 and a package diagnosis dictionary 210 by a fault code analysis part 120. A fault information output processing part 140 outputs doubtfulness degree data at each doubtful package, which is calculated by the doubtfulness fault degree analizing part 130. Therefore, when a fault part is picked-up by collating fault input information D1 with the diagnosis dictionary 210, not only the fault package is picked-up but also its doubtfulness degree value can be obtained, so that the fault occurrence part is quickly specified, the time till fault restoration is shortened and the efficiency of fault restoring work is attained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a failure diagnosis / analysis apparatus for executing a diagnosis and analyzing a result of the diagnosis to specify a suspected failure location when maintaining an electronic apparatus including a plurality of printed board packages.

For example, in an electronic exchange, a plurality of printed board packages (hereinafter referred to as packages) are housed in a shelf, and the packages in the same shelf are connected by printed wiring on a back wiring board on the back surface of the shelf, and between the shelves. It is configured to be wired by a cable.

Since such a package constituting the electronic exchange is mounted at a high density and the number of gates of integrated circuits (LSI) mounted on the package is also increasing, the function of each package is It is becoming more sophisticated and complex.

Further, when a failure occurs in an electronic exchange that uses a plurality of such packages, there is a demand for a failure diagnosis / analysis apparatus capable of promptly identifying the failure occurrence location and performing a recovery action.

[0005]

2. Description of the Related Art FIG. 18 is a block diagram for explaining a conventional example. Reference numeral 100 in the figure is a failure diagnosis / analysis apparatus, 110 in the failure diagnosis / analysis apparatus 100 is a failure information input section for inputting failure input information D1, 120 is a failure code analysis section for identifying a failure package from the failure input information D1, 210 is a package (P in the figure) in which failure information and failure suspected areas are associated with each other.
A diagnostic dictionary (denoted as KG) 140 is a fault information output processing unit that outputs the diagnostic result as fault output information D2.

For example, when a failure occurs in the electronic exchange, the diagnostic program is run to execute the diagnosis.
The diagnosis result is input to the failure diagnosis analysis device 100 as failure input information D1 and collated with the PKG diagnosis dictionary 210 to identify the suspected failure package from the plurality of packages of the electronic exchange. Then, when a plurality of packages are extracted as the suspected failure package, the failure information is displayed in the display section such as a maintenance console (not shown) in the order of highest suspicion of failure occurrence via the failure information output processing section 140. To do.

When the suspected package is extracted in this way, the maintenance package is prepared in the maintenance center or the like. Therefore, the maintenance engineer of the electronic exchange collects all the displayed packages from the maintenance center. , Carry it to the installation site of the electronic switch that has become an obstacle.

Then, in accordance with the order displayed on the display section of the maintenance console, the package having a high suspicion of failure is replaced, and the diagnostic program is run again. Such replacement of the suspected package and running of the diagnostic program are repeatedly executed until the failure is no longer detected.

[0009]

In the above-mentioned conventional example, the extraction of suspected faults is arranged in descending order of probability of fault of the suspected package, and it is not possible to judge how different the degree of suspect is between them.

For example, by diagnosing an electronic exchange,
It is assumed that three suspected packages of b and c are pointed out. At this time, there is a probability of 90% or more that a has a failure,
In b and c, the probability of failure is lower than that of a, and the probability of failure is higher in b than in c.

When the conventional diagnosis is executed under such a condition, only the failure packages a, b, and c and the probability of the failure are a>b> c can be obtained as the diagnosis result.

Therefore, the maintenance engineer takes out the package prepared for maintenance from the maintenance center or the like. At this time,
If b is not ready, it is impossible to decide whether to go to the site where the failure occurs after b is ready or to go to the site without b.

Here, since a >>b> c, it is more likely that the failure recovery time will be shortened if it is necessary to rush to the site with only a and c for the time being. Then, we cannot objectively judge such conditions. Therefore, if the user goes to the site after the preparation of b, the failure recovery time becomes long.

Under the opposite conditions, if a> b >> c, then a
When I went to the site and carried out the failure recovery work with only c and c, if there was a cause of failure in b, it would be necessary to go to the maintenance center to get b. Between the two, extra round trips occur, delay in disaster recovery time,
This will increase costs.

Further, the output of the diagnosis result of the conventional example is displayed by the package name, but when the inventory of the replacement package is searched at the maintenance center or the like, the package name code for the search (of the designated digit number) is used. Numbers), so
The maintenance engineer needs to refer to the maintenance document and convert the package name (a combination of alphabets and numbers, the alphabet is an abbreviation for the alphabet, the package type can be determined) and the package name code for search. As a result, the time required for the search becomes long and the search error occurs.

Furthermore, in such a failure recovery work, the package is replaced, but at the same time, the cable is inserted and removed. At this time, a cable connection error or a bad contact between the cable and the package may occur, and even if the conventional diagnosis is executed in such a state, only the package is pointed out as a failure. , It takes longer to extract the faulty cable.

In the diagnosis of the conventional example, the diagnosis is performed on a functional basis. For example, in an electronic device having three functional blocks A, B, and C, B is a suspected functional block and diagnosis is performed on B. When A and B are pointed out as suspected locations, diagnosis is performed on C. Then, it may be possible to make a more accurate diagnosis. In the conventional example, if A and B are pointed out and B is an obstacle, A,
Since the packages of B are sequentially exchanged and checked, it takes a long time to recover from the failure. (It is assumed that the probability of the failure of B is high when the diagnosis of C is performed.) Furthermore, in the case of intermittent failure, the accuracy of the diagnosis can be improved by executing the same diagnosis again. However, the conventional diagnosis cannot instruct re-diagnosis.

According to the present invention, when a failure occurs in an electronic device, the accuracy of diagnosis is improved, thereby shortening the time required for recovery from the failure and reducing the maintenance cost.
Attempt to realize a fault diagnosis and analysis device.

[0019]

Means for Solving the Problems FIG. 1 is a block diagram for explaining the principle of the present invention.
Reference numeral 100 in the figure denotes a fault diagnosis / analysis device for diagnosing and analyzing a fault in an electronic device including a plurality of packages and a plurality of cables.

Reference numeral 110 in the fault diagnosis / analysis apparatus 100 is a fault information input section for inputting fault input information D1 when a fault occurs in an electronic device, and 210 is for detecting a suspected fault package group from the fault input information D1. Is a package diagnosis dictionary that stores the diagnostic data of, and 120 is a failure input information D1 input from the failure information input unit 110 and a failure code analysis unit that refers to the package diagnosis dictionary 210 to detect a suspected failure package group, Reference numeral 130 denotes a suspected failure degree analysis unit that calculates a suspected degree for each package of the suspected failure package group detected by the failure code analysis unit 120, and 140 indicates a suspected suspected package calculated by the suspected failure degree analysis unit 130. A fault information output processing unit that outputs degree data, and when a fault occurs in an electronic device, fault input Enter the distribution D1 from the failure information input unit 110, fault code analysis unit 120, fault input information D1
And the package diagnostic dictionary 210 to detect the faulty package group, the suspected fault degree analyzing unit 130 calculates the fault degree for each suspected package, and the fault information output processing unit 14
The fault output information D2 is output through 0. (Claim 1) The fault diagnosis / analysis apparatus 100 is provided with correspondence to each package name code of a package constituting an electronic device,
When the maintenance component name definition dictionary 220 in which the package name and the maintenance component code are registered is provided and the suspiciousness degree for each package is calculated and output by the suspicious failure degree analysis unit 130, the failure information output processing unit 140 uses the maintenance component name definition dictionary. 220, the suspected package is output with the package name and the maintenance part code. In this way, by outputting the suspected package with the package name and the maintenance component code, the maintenance engineer can immediately check the stock status of the faulty package from the maintenance component code. (Claim 2) In the fault diagnosis and analysis device 100, a cable dictionary 230 in which information of cables connecting packages forming an electronic device is described, a suspected package group detected by the fault code analysis unit 120, and the suspected package group. A suspected cable analysis unit 121 that detects a suspected cable by referring to the cable dictionary 230 is provided, and when a failure occurs in the electronic device, the failure code analysis unit 120 detects the suspected package group and extracts the cable code from the suspected package group. Further, the suspected cable analysis unit 121 erases the normal cable, and outputs the remaining suspected cable from the failure information output processing unit 140.

In addition, in the cable dictionary 230, the packages connected to the cables are registered as cable connection information in correspondence with the cables, and the failure information output processing section 140 is registered.
When the suspected cable is output, it refers to the cable connection information in the cable dictionary 230 and also outputs the printed board package name connected to the suspected cable.
(Claims 3 and 4) In the fault diagnosis and analysis device 100, the fault code analysis unit 12 is provided.
Fault input information D1 input with 0 and package diagnosis dictionary 2
When the suspected package group is detected with reference to FIG. 10, another function diagnosis determination dictionary 211 for determining whether or not a test or diagnosis result of another function of the electronic device is required is provided, and the suspected failure degree analysis unit 130 is provided. When outputting the calculated suspiciousness degree for each package, the other function diagnosis determination dictionary 211 is referred to, and when the other function diagnosis is specified, the failure information output processing unit 140 causes the fault information output processing unit 140 to check the suspiciousness of the suspicious package and the other function. Outputs diagnostic instructions.

Further, when the suspected package group is detected by referring to the fault input information D1 input by the fault code analysis unit 120 and the package diagnosis dictionary 210, it is determined whether the same diagnosis needs to be repeatedly executed. A rediagnosis determination dictionary (not shown) is provided, and the suspected failure degree analysis unit 130 is provided.
When outputting the suspiciousness degree for each package calculated in
If re-diagnosis is specified by referring to the re-diagnosis determination dictionary, the failure information output processing unit 140 outputs the same re-diagnosis execution instruction together with the degree of suspicion of the suspicious package, and executes the re-diagnosis to perform diagnosis. Improve the accuracy of. (Claims 5 and 6)

[0023]

FIG. 2 shows an embodiment (1) of the present invention.
It is a block diagram explaining. Reference numeral 100 in the drawing denotes a failure diagnosis / analysis device, and a maintenance part name definition in which a maintenance part code corresponding to each name code of a package constituting the electronic device to be diagnosed is described in the configuration of the principle diagram described in FIG. The dictionary 220 is provided.

FIG. 3 shows the configuration of the electronic device to be diagnosed.
The electronic device 300 includes a plurality of packages a, b, c, d,
e, f (a to f are package names) and cables α, β,
γ and δ (α to δ are cable names), A is a functional block composed of packages a, b and c, B is a functional block composed of packages d and e, and C is a package f. It is a functional block.

A cable α is provided between the packages a and d.
Cable β between packages a and b, and packages c to e
A cable [gamma] is connected between them, and a cable [delta] is connected between the packages c to f. With such a configuration, signals are exchanged between the packages e to f via the package c and the cables γ and δ, and the packages c to e and e to f can communicate with each other, but the packages c to Communication between f is impossible. Further, signals are exchanged between the packages d and b via the package a and the cables α and β, and the packages d to a and d to b can communicate with each other.
Communication between packages a and b is prohibited.

Since a failure has occurred in the electronic device 300 having such a configuration, the operation of the present invention will be described with reference to an example in which the failure diagnosis / analysis apparatus 100 shown in FIG. 2 executes the failure diagnosis. Here, it is assumed that a suspicion of a failure occurs in the functional block A, the diagnosis of the functional block A is activated, and an abnormality is detected in some test items.

The test items are as follows. Cable interface test group of packages a to d. Cable interface test group of packages b to d.

Back wiring board (hereinafter referred to as BWB) interface test group of packages a to b. BWB interface test group of packages bc.

Cable interface test group of packages c to e. BWB interface test group of packages a to c. Individual test group of package a.

Individual test group of package b. Individual test group of package c. It is assumed that an abnormality is detected in the above-mentioned test items. This result is input to the fault code analysis unit 120 via the fault information input unit 110, and the fault code analysis unit 120
Executes the diagnosis by referring to the package diagnosis dictionary 210,
Fault package pattern code PC1 (shown in FIG. 4) is output, and fault package pattern code PC1 is further output.
With reference to the package diagnosis dictionary 210, the package name code group PCG1 is obtained. Here, the package name codes aa, bb, and cc are obtained as the package name code group PCG1, and these are copied to the addition table AT (shown in FIG. 5). At the time of copying, the degree values are all “0”.

Here, the package name code is aa, b assigned to the packages with names a, b, c ...
For example, a two-digit number such as b or cc is a code that displays a package for various searches and processes in the fault diagnosis and analysis apparatus 100, and is not input / output as input / output information. .

FIG. 6 shows a flowchart of the suspiciousness degree analysis according to the embodiment (1) of the present invention. With reference to the drawings, a process in which the suspected failure degree analysis unit 130 described in FIG. 2 obtains the suspected degree value will be described.

It is determined whether or not there is an abnormality in the BWB interface test (indicated as TEST in the figure) 1 of the packages a to b of S1. S2: When there is an abnormality, the degree values of the package name codes aa and bb in the addition table AT of FIG. 5 are incremented by "+1".

It is determined whether or not there is an abnormality in the BWB interface test 2 of the packages a and b of S3 ;. S4: When there is an abnormality, the degree value of the package aa is incremented by "+1".

Whether or not there is an abnormality in the BWB interface test 1 of the packages b to c of S5; S6: When there is an abnormality, the degree values of the packages bb and cc are incremented by "+1".

It is determined whether or not there is an abnormality in the BWB interface test 2 of the packages b to c of S7 ;. S8: If there is an abnormality, the degree value of the package bb is incremented by "+1".

As described above, when an abnormality occurs in each test item, the package ii specified by the test item is specified.
(The designated one of the packages aa, bb, cc, ... nn is referred to as ii) is added to obtain the suspicious degree.

The addition of the degree values in the above-mentioned addition table AT is "+1" for each occurrence of an abnormality. However, depending on the nature of the failure, there is a case where the failure cause can be estimated with a high probability from the failure. In such a case The degree value is added to "+1"
Instead, it is possible to add weighted degree values such as “+2” to “+9”.

As a result of such processing, as shown in FIG. 5, the degree value of the addition table AT is the packages aa, b.
It is assumed that “1”, “8”, and “1” are obtained for b and cc.

From this result, the fault information output processing section 140 calculates the degree of suspicion as follows and displays it on a display device (not shown). Package aa; 1 / (1 + 8 + 1) × 100 = 10 (%) Package bb; 8 / (1 + 8 + 1) × 100 = 80 (%) Package cc; 1 / (1 + 8 + 1) × 100 = 10 (%) FIG. An example of a maintenance component name definition dictionary in the embodiment (1) of FIG. A package name and a maintenance part code are defined for each of the packages aa, bb, and cc. Here, since the diagnosis targets are aa, bb, and cc, only aa, bb, and cc are described, but the maintenance part name definition dictionary 220 registers all packages that configure the electronic device 300. .

FIG. 8 shows an example of output screen display in the embodiment (1) of the present invention. Printed board package aa,
This is an example in which the package name, the maintenance part code, and the suspiciousness degree obtained by the processing of FIG. 6 are output to the display of the maintenance console for each of bb and cc.

FIG. 9 is a block diagram for explaining the embodiment (2) of the present invention. The configuration shown in FIG. 9 includes a cable dictionary 230 that stores information about cables that connect packages between the configurations of the embodiment (1) described in FIG.
The suspected cable analysis unit 121 that extracts the suspected cable from the fault input information D1 and the cable dictionary 230, and the other function diagnosis determination dictionary that specifies whether or not it is necessary to diagnose other functions when the faulty package is extracted. 211 is provided.

Here, it is assumed that an abnormality is detected in the cable interface test group of the test item packages b and d described above. The result is the failure information input unit 110.
It is input to the fault code analysis unit 120 via the, and the package pattern code PC2 shown in FIG. 10 is output as a result of the diagnosis by referring to the package diagnosis dictionary 210.

The suspected cable analysis unit 121 refers to the cable dictionary 230, and a cable cord group CC1 (shown in FIG. 10) CC1 for connecting the packages indicated by the detected package pattern code PC2, for example, a cable cord αα. , Ββ is obtained.

FIG. 11 shows an analysis flowchart of the suspected cable according to the embodiment (2) of the present invention. Here, the cable cords αα and ββ are detected as suspected cables by the above-described processing. The suspected cable analysis unit 121 further executes the process of the following flowchart to further
Narrow down the suspected cable.

S1: It is judged whether or not there is an abnormality in the result of the cable interface test 1 of the packages a and d. If there is no abnormality in S2; S1, the cable αα between the packages a and d is normal, so the cable code αα is deleted from the suspected cable, and only the cable with the cable code ββ becomes the suspected cable.

If there is an abnormality in S1, the cable cord α
α and ββ are also suspected cables. FIG. 12 shows an example (1) of output screen display in the embodiment (2) of the present invention.
In the figure, as a result of the above-mentioned failure diagnosis, the package name is a, the suspiciousness degree value of the package a of the maintenance part code 15142 is 100%, and the cable name β of the maintenance part code 18416 is extracted as the suspected cable. The package names of the connection destinations are a and b.

FIG. 13 is an example of a cable dictionary according to the embodiment (2) of the present invention, in which (A) describes the package code of the package to be connected for each cable code, and (B) shows the cable. It is a maintenance component name definition dictionary 220A in which correspondences between codes, cable names, and maintenance component codes are described.

FIG. 14 shows an example of another function diagnosis instruction according to the embodiment (2) of the present invention. When the electronic device 300 shown in FIG. 3 is composed of the functional blocks A, B, and C, not only the test result of the functional block A is used to extract the faulty part, but also the test result of the functional block C is also included. In some cases, it may be possible to make a more accurate diagnosis by making a diagnosis. In such a case, when outputting the diagnosis result, the diagnosis of another function is instructed.

For example, assume that an abnormality is detected in the cable interface test of the test item packages c and e. This result is analyzed by the fault code analysis unit 120, and FIG.
The package pattern code PC3 shown in (A) is output. The package pattern code code pattern PC3 refers to the PKG diagnostic dictionary 210 to decompose the package name code group PGC3 into package name codes.

At this time, the package name code group PG
The other function diagnosis instruction flag forming the other function diagnosis determination dictionary 211 is written corresponding to the package name code of C3. In the figure, package name code c
ff is written in c. This is the package name code of the package f, and is used to give a diagnostic instruction for the package f.

(B) describes the correspondence between the package name code and the functional block to be diagnosed. (A)
In this case, since the diagnosis of the package name code ff is instructed to the package name code cc, the failure information output processing unit 140 refers to the package name code / diagnosis target function block table 212 of (B) and the package name code ff. The diagnosis of the functional block C corresponding to ff is instructed.

FIG. 15 shows an example (2) of output screen display in the embodiment (2) of the present invention. The figure shows the package c of code 15325 and code 1624 according to the above diagnosis.
The package e of No. 5 is extracted as a suspicious package, the suspiciousness degree values thereof are detected as 50%, and the diagnosis instruction of the functional block C is displayed.

FIG. 16 shows an example of a retry instruction in the embodiment (2) of the present invention. For example, assume that an abnormality is detected in the cable interface test of the test item packages c and e. This result is used as the fault code analysis unit 120.
Package code pattern PC4 analyzed by
Is output. Package code pattern PC4 as PKG
Package name code group P with reference to the diagnostic dictionary 210
Obtained as GC4. At this time, a retry flag that constitutes a re-diagnosis dictionary is added to the package name code group, and the retry diagnosis is executed according to the instruction of the retry flag.

FIG. 17 is an example (3) of the output screen display in the embodiment (2) of the present invention, in which the failure information output processing section 140, as shown in the figure, has a suspicious degree value of 50% for the packages c and e. And a retry instruction is displayed.

[0056]

According to the present invention, when the fault information is collated with the diagnostic dictionary to extract the fault location, not only the fault package can be extracted, but also the suspiciousness degree value thereof can be obtained.
The efficiency of disaster recovery work can be improved.

Further, it is possible to extract a cable fault and a cable contact failure as a suspicion. Furthermore, in order to improve the diagnostic accuracy, diagnostic instructions for other functions, if necessary,
Rediagnosis instructions can be given.

From the above, the suspicious range can be easily narrowed down and the maintenance work can be facilitated.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating the principle of the present invention.

FIG. 2 is a block diagram illustrating an embodiment (1) of the present invention.

[FIG. 3] Configuration of electronic device to be diagnosed

FIG. 4 is an example of a package name code according to the embodiment (1) of the present invention.

FIG. 5 is an example of an addition table according to the embodiment (1) of the present invention.

FIG. 6 is a flowchart of the suspiciousness degree analysis according to the embodiment (1) of the present invention.

FIG. 7 is a maintenance component name definition dictionary according to the embodiment (1) of the present invention.

FIG. 8 is an example of an output screen display according to the embodiment (1) of the present invention.

FIG. 9 is a block diagram illustrating an embodiment (2) of the present invention.

FIG. 10 is an example of a cable cord according to the embodiment (2) of the present invention.

FIG. 11 is a suspected cable analysis flowchart according to the embodiment (2) of the present invention.

FIG. 12 is an example (1) of an output screen display according to the embodiment (2) of the present invention.

FIG. 13 is an example of a cable dictionary according to the embodiment (2) of the present invention.

FIG. 14 is an example of another function diagnosis instruction in the embodiment (2) of the present invention.

FIG. 15 is an example (2) of an output screen display according to the embodiment (2) of the present invention.

FIG. 16 is an example of a retry instruction according to the embodiment (2) of the present invention.

FIG. 17 is an example (3) of output screen display according to the embodiment (2) of the present invention.

FIG. 18 is a block diagram illustrating a conventional example.

[Explanation of symbols]

100 Fault Diagnosis Analysis Device 110 Fault Information Input Unit 120 Fault Code Analysis Unit 121 Suspected Cable Analysis Unit 130 Suspected Fault Level Analysis Unit 140 Fault Information Output Processing Unit 210 PKG Diagnostic Dictionary 211 Other Function Diagnostic Judgment Dictionary 212 Package Name Code / Diagnosis Target Function Block table 220, 220A Maintenance part name definition dictionary 230 Cable dictionary 300 Electronic device D1 Fault input information D2 Fault output information a, b, c Package α, β, γ, δ Cable A, B, C Functional block PC1 to PC4 Pattern code PGC package name code group CC1 cable code group AT addition table

Claims (6)

[Claims] 1. A device for diagnosing and analyzing a failure of an electronic device including a plurality of printed circuit board packages and a plurality of cables, and a failure information input section for inputting failure information when a failure occurs in the electronic device, A package diagnostic dictionary storing diagnostic data for detecting a suspected faulty printed circuit board package group from fault information, fault information input from the fault information input unit, and a suspected faulty printed circuit board package group by referring to the package diagnostic dictionary A failure code analysis unit that detects a failure code analysis unit, a suspected failure degree analysis unit that calculates a suspected degree for each printed board package of the suspected failure printed board package group detected by the failure code analysis unit, and a suspected failure degree analysis unit And a failure information output processing unit that outputs suspected degree data for each printed circuit board package. Failure diagnostic analysis device that. 2. The fault diagnosis / analysis apparatus according to claim 1, wherein a maintenance part name definition dictionary in which a printed board package name and a maintenance part code are registered is provided for each package name code of the printed board packages that constitute the electronic device. When calculating and outputting the suspicious degree for each of the printed board packages by the suspected failure degree analyzing section, the failure information output processing section refers to the maintenance equipment name definition dictionary to refer to the suspected printed board package as the printed board package name, The fault diagnosis / analysis apparatus according to claim 1, wherein the fault diagnosis / analysis device outputs the maintenance component code. 3. The fault diagnosis / analysis apparatus according to claim 1, wherein a cable dictionary that describes information about cables connecting the printed board packages that form the electronic device, and a printed board package group that is detected by the failure code analysis unit. The fault diagnosis and analysis apparatus according to claim 1, further comprising: a suspected cable analysis unit that detects the suspected cable by referring to the cable dictionary, and extracts the suspected cable. 4. The fault diagnosis / analysis apparatus according to claim 1, wherein when the fault information output processing unit outputs the suspected cable, the fault information output processing unit is connected to the suspected cable by referring to cable connection information in the cable dictionary. The fault diagnosis / analysis apparatus according to claim 1, wherein the printed board package name is output. 5. The fault diagnosis / analysis apparatus according to claim 1, wherein when a suspected faulty printed circuit board package group is detected by referring to the fault information input through the fault information input section and the package diagnostic dictionary, the other electronic devices are used. The function test of, the other function diagnosis judgment dictionary for determining whether or not the diagnosis result is required, when detecting the suspected printed circuit board package in the fault code analysis unit, refer to the other function diagnosis judgment dictionary, 2. The fault diagnosis analysis apparatus according to claim 1, wherein, when the function diagnosis is designated, the fault information output processing unit outputs a diagnosis instruction of another function together with the degree of suspicion of the suspected printed board package. 6. The fault diagnosis / analysis apparatus according to claim 1, wherein when the suspected faulty printed circuit board package group is detected by referring to the fault information input by the fault code analysis unit and the package diagnostic dictionary, the same diagnostic is performed again. If a re-diagnosis determination dictionary is provided to determine whether or not execution is required, and the re-diagnosis determination dictionary is referenced when the suspected printed board package is detected by the fault code analysis unit, and re-diagnosis is specified 2. The fault diagnosis analysis apparatus according to claim 1, wherein the fault information output processing unit outputs the same rediagnosis instruction together with the degree of suspicion of the suspected printed board package.