Daikin FFQ50C2VEB - Page 176

Troubleshooting by Remote Controller ESIE15-13B
162 Service Diagnosis
Troubleshooting
Note:
*1 Secondary electronic thermal detection value
Refer to P.188.
Refer to P.190.
Refer to P.193.
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 8
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 8