Olympus CLV-160 - Cooling Fan Operation Check

TROUBLESHOOTING CLV-160
Cooling fan
operation check
The cooling fan does not work.
Does the lamp
housing fan
operate?
Yes
No
Check the connector for
contact.
Yes
Does the fan operate?
No
Is 12V applied to J/1 pin
of UPCL16CR00?
Yes
Replace the lamp housing
fan.
Does the switching
power supply fan
operate?
Yes
No
Switching regulator UPCL16CR00
Fan
UPCL16CR00
No
Replace the UPCL16CR00.
(Replace the main board.)
Check the connector for
contact.
Check for disconnection in the
switching power supply.
Yes
Does the fan operate?
No
Is 12V applied to the
fan connector?
No
Yes
Replace the switching
power supply fan.
Replace the UPCL16PS10/20.
(Replace the switching power
supply.)
End
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