GBC eWire Service Manual page 80

5. Manually move the Closer linear mechanism and watch if the sheet
metal feature blocks/unblocks S46 Closer Home sensor.
The sensor is blocked/unblocked properly
Yes- Go to Step 6 ;
No- Escalate to second level
6. Do GP 6.5 to check M21 Closer linear drive motor
This clears the fault
Yes- Return to normal operation;
No- Go to step 7
7. Inspect the Closer drive mechanism on the Front side for any loose
objects preventing smooth operation.
The drive system is free of obstructions
Yes- Go to Step 8;
No- Clear the obstruction/ fasten loose fasteners
8. Do 6.3.7 FIRMWARE UPGRADE Procedure to Re-flash the firmware
for eWire.
This clears the fault
Yes- Return to normal operation;
No- Go to Step 9
GBC eWire
9. Do REP 11.3 "B" Main Control Board Replacement.
This clears the fault
Yes- Return to normal operation;
No- Escalate to second level
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RAPS