Daikin VRV - WII, Service Manual

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Troubleshooting by Indication on the Remote Controller SiUS30-604
206 Troubleshooting
2.36
“
PJ
”
Outdoor Unit: Faulty Field Setting after Replacing
Main PC Board or Faulty Combination of PC Board
Remote
Controller
Display
PJ
Applicable
Models RWEYQ60, 72, 84MTJU
Method of
Malfunction
Detection The faulty (or no) field setting after replacing main PC board or faulty PC board combination is
detected through communications with the inverter.
Malfunction
Decision
Conditions Whether or not the field setting or the type of the PC board is correct through the communication
date is judged.
Supposed
Causes
„
Faulty (or no) field setting after replacing main PC board
„
Mismatching of type of PC board
Troubleshooting
YES
Reset, and then restart.
YES
YES
∗
Note) Type of PC board mismatching includes;
Main PC board
Inverter PC board (for compressor)
Fan driver PC board
NO
NO
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Correct the field
settings.
Replace with a correct
PC board.
Has the PC
board been replaced?
Is the type of
PC board correct?
∗
When replacing
the main PC board, were field
setting properly
made?