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10.3 Compressor or outdoor fan does not operate at all.
Set the desired temperature of remote controller to be lower by 2°C or
over than room temperature, and start the cooling operation.
Does not operate at all.
Temperature sensor
(Contact & power)
Disconnection/short
Electric wire connection
check for outdoor side
Compressor & motor
Insulation resistance
Capacitor capacity
Air Conditioner Service Manual
Re-input after power off
open/short check
Connector check
circuit check of
connecting wire
detail check
Coil resistance
Compressor OLP
Repeat running/stopping
at a short time period.
Thermistor and evaporator
surface contact check.-
Clearance is needed (5mm).
Connector check
(Contact & power)
OLP/High pressure
switch/Low pressure
switch check
Operation mode
(dehumidifying) check
PCB assembly check
Check:
Temperature sensing circuit
Relay output
54
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