Troubleshooting Procedures By Malfunction Code; C0000: Main Motor Malfunction - Minolta Di152 Service Manual

4-3.

Troubleshooting Procedures by Malfunction Code

(1)

C0000: Main Motor malfunction

Main Motor (M1)
Main Motor
PJ4
1
2
3
4
5
6
7
Step Check
1 Main Motor (M1) turns when the Start
key is pressed.
2 The following voltage is supplied to
the Main Motor (M1) when the Start
key is pressed.
Check voltage across a Master Board
(copier: PWB-A) pin and GND when
the Start key is pressed.
• Voltage across PJ7A-6 and GND
DC5 V when Main Motor (M1) is in
standby state
DC0 V when Main Motor (M1) is
energized
• Voltage across PJ7A-5 and GND
DC5 V when Main Motor (M1) is in
standby state
DC0 V when Main Motor (M1) is
energized
Relevant Electrical Parts
Master Board (copier: PWB-A)
PJ7A
Result
NO • Check for overload.
NO • Change Main Motor (M1).
YES • Change Master Board (copier:
PWB-A).
T-23
PWB-A
Master Board
4022T525AA
Action