Daikin FTKS20CVMB Service Manual page 133

Troubleshooting
Troubleshooting
Check No.4
Refer to P.138
Check No.6
Refer to P.140
Check No.7
Refer to P.141
Check No.9
Refer to P.142
124
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Check the installation space.
Check No.7
Installation condition
check
Normal
Check No.9
Outdoor fan check
Normal
Check No.4
Electronic expansion valve check
Judgment
Normal
Check No.6
Heat exchanger thermistor check
Judgment
Normal
Abnormal
Abnormal
Abnormal
Abnormal
SiENBE04-401A
Change the air outlet grille
position.
Change the installation
location.
Clean the heat exchanger.
Replace the fan motor.
Repair the connector or fan
motor lead wires.
Replace the electronic
expansion valve or coil.
Replace the PCB.
Replace the heat exchanger
thermistor.
Replace PCB.
(R2855)
Service Diagnosis