Heat Sink Temp Sensor Error
Inverter PCB
Heat sink temperature thermistor ( Inside IPM ) open/short circuit detected
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E. 77. 1
Error Code : 77
04-36
Trouble shooting 26
Indicate or Display:
Detective Actuators:
Detective details:
OUTDOOR UNIT Error Method:
1. Inverter PCB failure
Forecast of Cause :
If this error is displayed, replace Inverter PCB
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