Troubleshooting Si04-306
124 Service Diagnosis
Troubleshooting
Check No.4
Refer to P.126
Check No.6
Refer to P.128
Check No.7
Refer to P.129
Check No.9
Refer to P.130
(R2855)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Replace the fan motor.
Repair the connector or fan
motor lead wires.
Replace the heat exchanger
thermistor.
Replace PCB.
Replace the electronic
expansion valve or coil.
Replace the PCB.
Change the air outlet grille
position.
Change the installation
location.
Clean the heat exchanger.
Check the installation space.
Check No.9
Outdoor fan check
Judgment
Check No.6
Heat exchanger thermistor check
Judgment
Check No.7
Installation condition
check
Check No.4
Electronic expansion valve check
Abnormal
Normal
Normal
Normal
Normal
Abnormal
Abnormal
Abnormal
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