SiBE12-908
Troubleshooting
Service Diagnosis
140
Troubleshooting
Check No.02
Refer to P.169
Check No.03
Refer to P.170
Check No.05
Refer to P.170
Check No.16
Refer to P.175
Check No.17
Refer to P.176
(R9852)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Change the position of air
discharge grille.
Change installation position.
Clean the heat exchanger.
Check No. 03
Installation condition
check
NG
Check installation space
Check No. 16
Discharge pressure check
NG
NG
OK
OK
OK
OK
OK
NG
NG
Check No. 05
Outdoor fan system
check
Judge
Judge
Judge
Check No. 17
Electronic expansion valve check
Check No. 02
Heat exchanger thermistor check
Replace the fan motor.
Rectify connector and fan motor
lead wire.
Replace the stop valve.
Replace the main body or coil
of the electronic expansion
valve.
Replace the outdoor unit PCB.
Replace the outdoor heat
exchanger thermistor.
Replace the outdoor unit PCB.