Samsung SH18BW6 Service Manual page 91

Troubleshooting
In case of heating at the cooling mode or cooling at the heating mode
From the previous page
the outdoor fan
operate at the operation of
outdoor fan connected
Check the resistance value
voltage of DC300V
apply to the connector of outdoor
fan during the operation of
Outdoor PCB error
12-7
26005A(2)_1.indd 12
Does the
No
EEV operate
normally?
Yes
Does
compressor?
No
Is the
correctly?
Yes
of outdoor fan.
OK
Dose the
outdoor unit?
No
(cont.)
No
Is much frost
in the heat exchanger?
Yes
NG
Check the
resistance value of EEV coil.
OK
No
Is much frost
in the heat exchanger?
Yes
EEV main body error
Yes
The over shortage of refrigerant, Insufficient
Capacity, Load estimation error
No
Connect the connector.
NG
Outdoor fan error
Yes
Check the motor wire.
Connect the connector.
EEV coil error
Exchange
the out PCB.
Samsung Electronics
2006-04-14 ｿﾀﾈﾄ 5:05:11