SiBE041102_A
Check
Service Diagnosis
93
5.9
Discharge Pressure Check
Check No.18
5.10 Outdoor Fan System Check
Check No.19
AC motor
(R11718)
Not dirty
YES
YES
Dirty
NO
NO
NO
YES
Is the air
filter or indoor / outdoor
heat exchanger
dirty?
Is the connection pipe
deformed?
Is the stop valve open?
High?
Replace the compressor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean the dirty one.
Replace the compressor.
Discharge pressure check
Check the outdoor fan system.
(R12010)
NO
NG
YES
Reconnect the
connector.
Replace the fan
motor.
Replace the fan
motor.
Replace the outdoor
unit PCB.
The outdoor fan
system is normal.
Does the outdoor fan
rotate?
OK
Check the
fan motor lead wire
connector for secure
connection.
YES
YES
NO
Does the
outdoor fan start just
after the power is
turned on?
NO
Are the
resistance at
connector leads
∞
?
1. red - black,
2. white - black
Continuity
No continuity
Check the fan
capacitor for continuity.