Fanuc Power Mate i-D/H Maintenance Manual

B63175EN/03
7. TROUBLESHOOTING
399
When a failure occurs, it is important to correctly grasp what kind of
failure occured and take appropriate action, to promptly recover the
machine.
Check for the failure according to the following procedure :
Recovery
With what
operation?
What failure?
Appropriate action
When?
Grasp the kind of failure
(1) When and how many times (frequency of occurrences)
(2) With what operation
(3) What failure occurred
1 When did the failure occur?
Date and time?
Occurred during operation? (how long was the operation?)
Occurred when the power was turned on?
Was there any lightening surge, power failure, or other disturbances
to the power supply?
How many times has it occurred
Only once?
Occurred many times ? (How many times per hour, per day, or per
month?)
2 With what operation did it occur ?
What was the Power Mate mode when the failure occurred?
(Jog mode/AUTO operation mode /MDI mode /reference position
return mode)
If during program operation,
1) Where in the program ?
2) Which program No. and sequence No. ?
3) What program ?
4) Occurred during axial movement ?
5) Occurred during the execution of an M/S/T code ?
6) Failure specific to the program ?
Does the same operation cause the same failure ?
(Check the repeatability of the failure.)
Occurred during data input/output ?
7.1
CORRECTIVE
ACTION FOR
FAILURES
7.1.1
Investigating the
Conditions under
which Failure Occurred

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