8.1.6 Compressor does not run.
8.1.7 Only outdoor fan motor does not run.
8.2 Electrical Troubleshooting
8.2.1 Check before or after repairing the units.
8.2.1.1
Check whether the connection of the units is in good condition.
8.2.1.2
Check whether the connection of the units is in good condition.
8.2.1.3
Check whether the lead wire and connector of the units are in good condition.
8.2.1.4
Check power circuit.
8.2.2 The air conditioner do not run
8.2.2.1
Check the switch power.
①
Without 30V DC output from two ends of the capacitor C405 (the indicator does not light).
A. Check 240V power supply, power socket
→
power cord
→
fuse(3.15A /220V)
→
high voltage
capacitor C410 (whether there is 280 ~ 300V DC or not)
B. Check the capacitor C405
Check the relay of the compressor
motor for normality.
Check the winding resistor of the
compressor.
Replace the compressor.
Replace the relay
Yes
Abnormal
Check the fan rotation
Check if foreign matter is in
the fan cover.
Check if fan motor is broken
or foreign matter in bearing.
Measure the resistance of motor coil.
Check the capacitor of the fan motor.
Ok
Ok
