Samsung CH070EAV1 Service Manual page 64

In case of heating at the cooling mode or cooling at the heating mode(cont.)
From the previous page
Does the
EEV operate
normally?
the outdoor fan
operate at the operation of
compressor?
outdoor fan connected
correctly?
Check the resistance value
of outdoor fan.
Dose the
voltage of DC300V
apply to the connector of outdoor
fan during the operation of
outdoor unit?
Outdoor PCB error
4-24
No
�es
Does
No
Is the
�es
OK
No
Is much frost
in the heat exchanger?
�es
Check the
resistance value of EEV coil.
OK
Is much frost
in the heat exchanger?
�es
EEV main body error
�es
The over shortage of refrigerant, Insufficient
No
NG
�es
No
Connect the connector.
NG
EEV coil error
No
Exchange
the out PCB.
Capacity, Load estimation error
Connect the connector.
Outdoor fan error
Check the motor wire.
Samsung Electronics