C004E Power Supply Cooling Fan Motor Malfunction - Konica Minolta Di1611 Service Manual

TROUBLESHOOTING
(4)

C004E Power Supply Cooling Fan Motor Malfunction

<Detection Timing>
Trouble
Code
• The Power Supply Cooling Fan Motor (M4) Lock signal remains HIGH
for a continuous 1-sec. period while the Power Supply Cooling Fan
C004E
Motor Remote signal remains ON (for full-speed rotation) or OFF (for
decelerated-speed rotation).
<Action>
Power Unit Cooling Fan Motor (M4)
Step Operations
1 Check M4 connectors for proper con-
nection and correct as necessary.
2 Check the fan for possible overload
and correct as necessary.
3 M4 operation check
4 Change PWB-A.
5 Change PU1.
Di1611/Di2011 FIELD SERVICE Ver.1.0 Mar. 2004
Description
Relevant Electrical Components
Master Board (PWB-A)
Power Supply Unit (PU1)
Ref.
Page
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☞ 3-3
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3-24
WIRING DIAGRAM
Control signal (Electrical
Components)
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–
PU1 CN7PU1-1
(REM)
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–
Location
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F-12
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