Daikin B-Series Service Manual page 112

Si06-313
Troubleshooting
Check No.4
Refer to P.105
Check No.6
Refer to P.107
Check No.7
Refer to P.108
Check No.9
Refer to P.109
Service Diagnosis
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
Troubleshooting
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)
103