Service Call Conditions
SM Appendix 3-29 D017/D018/D019/D020/D084/D085
Appendix:
Service Call
Conditions
770 B Shift motor error
The shift motor HP sensor does not detect any change for 1.86 seconds
after the shift motor has turned on at power on or during its operation.
Defective shift motor
Defective shift motor HP sensor
Check the connections to the shift motor and the shift motor HP sensor.
Defective shift motor or the shift motor HP sensor.
791 B Bridge unit error
The machine can communicate with
the finisher but not the bridge unit.
Poor connection between the
finisher and mainframe
Bridge unit harness damaged
or defective
Bridge unit defective
792 B Finisher unit error
The machine cannot communicate
with the bridge unit but not the finisher.
Poor connection between the
finisher and mainframe
Finisher harness damaged or
defective
Finisher unit defective
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