9) Abnormal Cooling Fan Error
Turn Off the product.
1) Turn On the product.
2) Remove Cover PCB, then press TEST S/W on
Main PCB to enter to TEST MODE 1.
3) Check the Fan rotation.
NOTE: If error code is displayed, Fan won’t operates.
1
2
NO.
CHECKING FLOW RESULT & SERVICE ACTION
3
Remove Cover Machin Room, and check the
movement of Cooling Fan Motor manually, feel
the rotation condition, then proceed.
Result
Service Action
Tight
Movement
Free
movement
Abnormal
Normal
Go to Step 3
Air flow direction
Result
Service Action
Air Flow
No Air Flow
Go to Step 4
Normal
Abnormal
Go to Step 5
Result
Service Action
Continuous
Intermittent
Explain to the customer
Normal
Abnormal
Go to Step 5
4
Check Motor rotation (air flow) is continuous for
more than 3 minutes.
NOTE: If error is detected, Fan Motor will try to work
4 or 5 times.
ON OFF ON OFF ON ... OFF
15s 10s 15s 10s 15s
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