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When OPERATION INDICATOR lamp flashes 6-time.
Thermistors in the outdoor unit are abnormal.
Check of outdoor thermistor
Start
Defrost thermistor (RT61)
Measure
resistance
Turn OFF the
power supply.
between CN 661
Is the resistance of
thermistor normal?
and
.
Replace the
thermistor.
Reconnect CN661.
Turn ON the power
Yes
supply and press
the EMERGENCY
OPERATION
No
switch.
Defective contact of the connector is considered.
21
Replace the deicer P.C.
board.
No
Does the unit operate
10 minutes or more?
Yes
OK
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