Pc Board Or Faulty Combination Of Pc Board; Pj" Outdoor Unit: Faulty Field Setting After Replacing Main Pc Board Or Faulty Combination Of Pc Board - Daikin RXYQ72 Serivce Manual

SiUS39-601
2.40 "PJ" Outdoor Unit:
Main PC Board or Faulty Combination of PC Board
PJ
Remote
Controller
Display
Applicable RXYQ72M, 96M
Models
Method of The faulty (or no) field setting after replacing main PC board or faulty PC board combination is
detected through communications with the inverter.
Malfunction
Detection
Malfunction Whether or not the field setting or the type of the PC board is correct through the communication
date is judged.
Decision
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
Faulty Field Setting after Replacing
Faulty (or no) field setting after replacing main PC board
Mismatching of type of PC board
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Has the PC
board been replaced?
YES
When replacing
the main PC board, were field
setting properly
made?
YES
Is the type of
PC board correct?
∗
YES
∗Note) Type of PC board mismatching includes;
Main PC board
Inverter PC board (for compressor)
Fan driver PC board
Troubleshooting by Indication on the Remote Controller
NO
NO
NO
Correct the field
settings.
Replace with a correct
PC board.
Reset, and then restart.
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