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2A3/4
3-5-1 Self-diagnosis
(1) Self-diagnostic function
This unit is equipped with a self-diagnostic function. When a problem is detected, copy-
ing is disabled and the problem displayed as a code consisting of "C" followed by a
number between 001 and 924, indicating the nature of the problem.
A message is also displayed requesting the user to call for service.
After removing the problem, the self-diagnostic function can be reset by turning safety
switches 1, 2 or 3 off and back on.
Call for service.
012345678901234
C241
Figure 3-5-1 Service call code display
3-5-1
3-5 (2A3/4/E) 1 1/1/32, 3:48
2A3/4
Self diagnostic codes
Remarks
Code Contents Check procedures/
Causes
corrective measures
C001 Memory copy PCB 1 com- Defective Replace memory copy PCB 1
munication problem memory copy and check for correct opera-