Troubleshooting
Samsung Electronics12-8
In case of heating at the cooling mode or cooling at the heating mode(cont.)
Yes
Yes
OK
No
No
EEV main body error
Outdoor PCB error
Yes
No
No
Yes
OK
Connect the connector.
Is the
EEV connector connected
correctly?
Exchange
the out PCB.
No
Dose the
voltage of DC12V apply to
the connector of EEV coil during
the operation?
Does the
EEV operate
normally?
EEV coil error
NG
The over shortage of refrigerant, Insufficient
Capacity, Load estimation error
Yes
Does
the outdoor fan
operate at the operation of
compressor?
Connect the connector.
No
Is the
outdoor fan connected
correctly?
Outdoor fan error
NG
Check the resistance value
of outdoor fan.
Check the motor wire.
Yes
Dose the
voltage of DC300V
apply to the connector of outdoor
fan during the operation of
outdoor unit?
EEV coil error
Check the
resistance value of EEV coil.
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