Samsung DH094EAMC Service Manual page 80

In case of heating at the cooling mode or cooling at the heating mode(cont.)
From the previous page
EEV operate
normally?
the outdoor fan
operate at the operation of
compressor?
outdoor fan connected
correctly?
Check the resistance value
of outdoor fan.(Pin #1~#3)
voltage of DC300V
apply to the connector of outdoor
fan during the operation of
outdoor unit?
Outdoor PCB error
Samsung Electronics
Does the
No
Yes
Does
No
Is the
Yes
OK
Dose the
No
Is much frost
in the heat exchanger?
Yes
Check the
resistance value of EEV coil.
OK
Is much frost
in the heat exchanger?
Yes
EEV main body error
Yes
The over shortage of refrigerant, Insufficient
No
NG
Yes
Troubleshooting
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.
12-7