Detective Actuators:
Detective details:
Forecast of Cause :
OK
OK
Check Point 1 : Check the heat sink state
1. Foreign matter on heat sink, heat sink dirty
2. Foreign matter on heat exchanger, excessive ambient temperature rise
3. Heat sink temp. sensor (Inside IPM) defective
Inverter PCB
"Protection stop by
"heat sink temp. 105°C generated 3 times within 60 minutes.
Replace Inverter PCB
Check Point 3 : Replace Inverter PCB
Heat sink foreign matter, soiling check
Heat exchange foreign matter check
Ambient temperature not raised by effect of other heat sources?
Discharged air not sucked in?
Check Point 2 :
Check the foreign matter and ambient temperature of heat exchanger
Trouble shooting 66
OUTDOOR UNIT Error Method:
Outdoor unit Heat Sink Tempreture
Abnormal
Indicate or Display:
Indoor Unit : Operation LED 9 times Flash, Timer LED 15 Times Flash,
Filter LED Continuous Flash.
Outdoor Unit : E. AC. 4
Error Code : AC
E. AC. 4
04-74
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