RAP 02 No Spacing Operation
START
The alarm LED blinks.
Is the carriage assembly binding or jammed?
No Make sure the carriage cable is properly connected to the space motor assembly and
CN7 on the main control board.
Go to A.
Yes 1. Remove the ribbon to verify that the ribbon is not jammed.
2. Remove the space motor assembly
3. Inspect the teeth on the space rack and the space motor gear.
4. Go to A.
A
Has the problem been resolved?
Yes End of procedure.
No Is the fuse F2 on the main control board open?
No Go to B.
Yes Replace the main control board.
Has the problem been resolved?
Yes End of procedure.
No Go to B.
Failure Analysis 4 - 26 Microline 520/521 Service Handbook
P/N 59257803
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