GBC eWire Service Manual page 395

7. Check that the cable(s) connecting the Driver Board to the Main
Control Board are intact. Refer to the motor cables table to identify
the appropriate cable part numbers,
The cables look okay
Yes- Go to Step 8
No- Replace the faulty cable and resume normal operation
8. Do GP 6.3.7 FIRMWARE UPGRADE Procedure
firmware for the eWire
This clears the fault
Yes- Resume normal operation
No- Go to Step 9
9. Replace the driver board for the faulty motor, with DIP switch set
correctly for the position you are replacing.
This clears the fault
Yes- Resume normal operation
No- Go to Step 10
10. Replace the faulty stepper motor. Refer to REP 3.8 for motor M9 and
REP 3.7 for motor M10.
This clears the fault
Yes- Resume normal operation
No- Go to Step 11
11. Replace the cables from control board to driver board. Refer to GP
6.24 for cable identification.
This clears the fault
Yes- Resume normal operation
No- Go to Step 12
12. Replace Main Control Board B (REP 11.3)
This clears the fault
Yes- Resume normal operation;
No- Go to Step 13.
General Procedures and Information
GP 6.24
to Re-flash the
13. Replace Main Control Board A (REP 11.1)
This clears the fault
Yes- Resume normal operation;
No- Escalate to second level
01/26/2018
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GBC eWire