Samsung AC052FBMDEH/EU Service Manual page 55

4-5-5 In case of heating at the cooling mode or cooling at the heating mode(cont.)
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Does theEEV
operatenormally?
Doesthe outdoor fan
operate at the operation
of compressor?
Is theoutdoor fan
connectedcorrectly?
Check the resistance value of
outdoor fan
Is theoutdoor fan
connectedcorrectly?
Outdoor PCB error
4-15
No
Yes
No
Yes
Yes
No
Is much frostin the heat
exchanger?
Yes
Check the resistance value of
EEV coil
Yes
Is much frostin the heat
exchanger?
Yes
EEV main body error
The over shortage of refrigerant, Insufficient Capacity,
Yes
No
No
Yes
No
Connect the connector.
No
EEV coil error
No
Exchangethe out PCB
Load estimation error
Connect the connector
Outdoor fan error
Check the motor wire
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