Troubleshooting by Remote Controller
SiBE281013
142
Service Diagnosis
Troubleshooting
Note:
∗
1 Secondary electronic thermal detection value
Refer to P.168.
Refer to P.170.
Refer to P.174.
Model
Detection value
RZQG71
Cooling
12.6 or 12.2A × 260 seconds
Heating
14.8A × 260 seconds
RZQG100-140
Cooling
16.1A × 260 seconds
Heating
22.1A × 260 seconds
Open the stop valve.
Is the stop valve opened?
Compressor inspection.
Inspect according to the
diagnosis procedure for
abnormal noises, vibration,
operating status, etc. of the
compressor.
NO
Remedy the cause.
Check for excessive refrigerant
charging.
YES
YES
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
Turn OFF the power supply.
NO
YES
Replace the outdoor unit PCB
(A1P).
NO
YES
Replace the outdoor unit PCB
(A1P).
NO
CHECK 4
High pressure is high.
CHECK 2
CHECK 9
Is the secondary
current of the inverter higher
than A (
∗
1) for
each phase?
Continuity check in the power
transistor (IGBT). Is the
continuity normal?
CHECK 2
CHECK 4
CHECK 9
