Samsung UH035EAV Series, Service Manual

Page: 133 / 166

Samsung Electronics
In case of heating at the cooling mode or cooling at the heating mode(cont.)
Check the resistance value
of outdoor fan.
Check the
resistance value of EEV coil.
Does the
EEV operate
normally?
Does
the outdoor fan
operate at the operation of
compressor?
Is the
outdoor fan connected
correctly?
Dose the
voltage of DC300V
apply to the connector of outdoor
fan during the operation of
outdoor unit?
The over shortage of refrigerant, Insufficient
Capacity, Load estimation error
Connect the connector.
Outdoor fan error
Check the motor wire.
Exchange
the out PCB.
EEV coil error
Connect the connector.
Is much frost
in the heat exchanger?
Is much frost
in the heat exchanger?
Outdoor PCB error
EEV main body error
No No
NG
No
Yes
No
NG
Yes
No
Yes
OK
No
Yes
Yes
OK
Yes
From the previous page
Troubleshooting
12-7
25888A(1)_1.indd 36 2006-04-14 ｿﾀﾈﾄ 2:26:13