C5102: Main Motor's Failure To Turn; C5103: Main Motor Turning At Abnormal Timing; C5351: Power Supply Cooling Fan Motor/1'S Failure To Turn - Konica Minolta bizhub C250 Service Manual

Field Service Ver. 3.0 Aug. 2006
16.5.61

C5102: Main Motor's failure to turn

Main Motor (M1)
Step
Check the M1 connector for proper connec-
1
tion and correct as necessary.
Check M1 for proper drive coupling and
2
correct as necessary.
Check the PWB-M connector for proper
3
connection and correct as necessary.
M1 operation check
4
5 Change PWB-M
6 Change PU1
16.5.62

C5103: Main Motor Turning at abnormal timing

Main Motor (M1)
Step
M1 operation check
1
2 Change PWB-M
3 Change PU1
16.5.63

C5351: Power Supply Cooling Fan Motor/1's failure to turn

Power Supply Cooling Fan Motor/1 (M8)
Step
Check the connector of motor for proper
1
connection and correct as necessary.
Check the fan for possible overload and
2
correct as necessary.
3 M8 operation check
4 Change PU1
Relevant Electrical Parts
Action
Relevant Electrical Parts
Action
Relevant Electrical Parts
Action
Mechanical Control Board (PWB-M)
DC Power Supply (PU1)
WIRING DIAGRAM
Control Signal
—
—
PWB-M CNDM1-5 (REM)
PWB-M CNDM1-8 (LOCK)
—
—
Mechanical Control Board (PWB-M)
DC Power Supply (PU1)
WIRING DIAGRAM
Control Signal
PWB-M CNDM1-5 (REM)
PWB-M CNDM1-8 (LOCK)
—
—
DC Power Supply (PU1)
WIRING DIAGRAM
Control Signal
—
—
PWB-M CNLV3-2 (ON)
PWB-M CNLV3-3 (LOCK)
—
16. Malfunction code
Location (Electri-
cal Component)
—
—
L-2
—
—
Location (Electri-
cal Component)
L-2
—
—
Location (Electri-
cal Component)
—
—
C-25
—
455