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Methods of using troubleshooting charts
The fault diagnosis chart is divided into “Problem”, “Inspection Item”, and “Cause”
and the Troubleshooting section.
Problems and check items are used to pass simple checks, or just from failures
phenomenon, without the use of troubleshooting tools, to determine the most have
Possible causes of failure.
Then, use a troubleshooting tool or a direct inspection method to get the most out of you
The cause of the fault can be narrowed down and investigated
The procedure for the diagnosis of the disorder is finally confirmed.
[Question]:
Questions should be asked of the user or operator. Corresponds to sections A and B on the right side of the chart.
A The items in are basic questions. B items are also available depending on the level of the user or operator Answer.
[Inspection items]:
Maintenance personnel perform simple inspections to narrow down the cause of the failure.
Corresponds to section C on the right side of the chart.
[Reason]:
By analyzing the problem and checking the items, the scope is narrowed down and delineated.
The Maintenance personnel narrow down the range of possible causes of failure in A, B, and C
Surround.
[Fault Diagnosis]:
Final confirmation is made by using troubleshooting tools and direct inspections,There is no doubt as to whether the cause of the fault has been narrowed down and delineated The real cause of failure.
Items related to [Cause] listed in [Problem] and [Inspection Items] are marked with △, ○, or ◎.
△: The cause of the fault that needs to be referred to for the problem and inspection items
○: The cause of the failure related to the problem and inspection items
◎: The most likely cause of failure among the items marked with ○
★: When narrowing down the scope of troubleshooting causes, consider the items marked with ◎ instead of those marked with ○ first.
When narrowing down the scope of troubleshooting causes, do not consider the items marked with △ in the front. (However, if there are no other marked items.)
and if the scope of the investigation is not narrowed, these items can be considered).
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