Konica Minolta bizhub C250 Service Manual page 412

Field Service Ver. 1.0 Jul. 2005
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
16.5.64 C5353: Cooling Fan Motor 2's failure to turn
Cooling Fan Motor/2 (M22)
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.
M22 operation check
3
4 Change PWB-M
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)
—
—
DC Power Supply (PU1)
WIRING DIAGRAM
Control Signal
—
—
PWB-M CNLV3-2 (ON)
PWB-M CNLV3-3 (LOCK)
—
Mechanical Control Board (PWB-M)
WIRING DIAGRAM
Control Signal
—
—
PWB-M CNR2FAN-4 (ON)
PWB-M CNR2FAN-6 (LOCK)
—
16. Malfunction code
Location (Electri-
cal Component)
L-2
—
—
Location (Electri-
cal Component)
—
—
C-25
—
Location (Electri-
cal Component)
—
—
L-3
—
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