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In case of heating at the cooling mode or cooling at the heating mode
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
Samsung Electronics
141 Kinderkamack Rd, Park Ridge, NJ 07656 Tel: 201-782-1782 Fax: 201-782-1783 Web: www.amgair.com Email: info@amgair.com
No
Yes
Does
No
Is the
Yes
OK
No
Air Marketing Group LLC
(cont.)
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
Capacity, Load estimation error
No
NG
Yes
Troubleshooting
No
Connect the connector.
NG
EEV coil error
No
Exchange
the out PCB.
Connect the connector.
Outdoor fan error
Check the motor wire.
12-8
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