Specifications

Troubleshooting SiUS12-928_A
125 Service Diagnosis
Troubleshooting
Check No.04
Refer to P.150
Check No.06
Refer to P.152
Check No.07
Refer to P.153
Check No.08
Refer to P.154
Check No.09
Refer to P.154
(R11897)
Caution
Replace the fan motor.
Reconnect the connector or
fan motor lead wires.
Replace the stop valve.
Replace the outdoor heat
exchanger thermistor.
Replace the outdoor unit
PCB.
Replace the electronic
expansion valve or the coil.
Replace the outdoor unit
PCB.
Clean the outdoor heat
exchanger.
Change the installation
location or direction.
Check the installation space.
NG
OK
OK
NG
NG
OK
OK
OK
NG
NG
Check No. 09
Check the outdoor fan.
Check No. 08
Check the discharge
pressure.
Check No. 04
Check the electronic
expansion valve.
Check No. 06
Check the outdoor heat
exchanger thermistor.
Check No. 07
Check the installation
condition.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.