Air Conditioner Service Manual
10.2 Compressor or outdoor fan does not operate at all.
Re-input after power off
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.
Repeat running/stopping
at a short time period.
Temperature sensor
open/short check
Thermistor and evaporator
surface contact check.-
Clearance is needed (5mm).
Connector check
(Contact & power)
Connector check
(Contact & power)
Disconnection/short
circuit check of
connecting wire
OLP/High pressure
switch/Low pressure
switch check
Electric wire connection
check for outdoor side
Operation mode
(dehumidifying) check
Compressor & motor
detail check
PCB assembly check
Check:
Temperature sensing circuit
Relay output
Insulation resistance
Coil resistance
Capacitor capacity
Compressor OLP
30
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