4-23 Samsung Electronics
Troubleshooting
4-5-5 In case of heating at the cooling mode or cooling at the heating mode(cont.)
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Does theEEV
operatenormally?
Doesthe outdoor fan
operate at the operation
of compressor?
Is theoutdoor fan
connectedcorrectly?
Is theoutdoor fan
connectedcorrectly?
Is much frostin the heat
exchanger?
Is much frostin the heat
exchanger?
Connect the connector.
Exchangethe out PCB
The over shortage of refrigerant, Insufficient Capacity,
Load estimation error
Connect the connector
Outdoor fan error
Check the motor wire
EEV coil error
EEV main body error
Check the resistance value of
EEV coil
Check the resistance value of
outdoor fan
Outdoor PCB error
No No
No
Yes
No
No
Yes
No
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NS090SDXEA_E_SM_33623A(1)_1.indd 23 2011-04-08 �� 10:55:30
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