Troubleshooting by Remote Controller
SiBE281013
120
Service Diagnosis
Refer to P.168.
Refer to P.174.
Are
the operation
of electronic expansion
valve normal?
Troubleshooting "
E9
"
NO
YES
High pressure is too
high.
CHECK 2
CHECK 9
Replace the outdoor unit PCB
(A2P)
If error is displayed again,
replace the inverter PCB (A1P).
YES
NO
Are
the operation
of electronic expansion
valve normal?
Troubleshooting "
E9
"
NO
YES
High pressure is too
high.
CHECK 2
CHECK 9
Replace the outdoor unit PCB
(A2P)
If error is displayed again,
replace the inverter PCB (A1P).
YES
NO
Are the
characteristics of the
indoor unit intermediate
thermistor normal?
Replace the indoor unit
intermediate heat exchanger
thermistor.
NO
YES
The indoor
unit fan is rotating during
operation.
Remove the foreign matter.
Replace the fan motor.
NO
YES
[In heating]
A
CHECK 2
CHECK 9
