Daikin RXYQ96PYDN Service Manual page 419

Troubleshooting by Indication on the Remote Controller
Troubleshooting
*1. List of Inverter PC boards
404
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Was the PC board
(A1P) replaced with a spare
PC board?
NO
connectors of the
inverter PC board, main
PC board, and sub PC
board all securely
connected?
Is the type of
the inverter PC board
correct?(*1)
The INV
compressor has
insulation resistance of
not more than
100kΩ.
The fan
motor has insulation
resistance of not more
than 1MΩ.
REMQ72, 96, 120PYDN
PC0702 RXYQ72, 96, 120PYDN
REYQ72, 96, 120PYDN
REMQ96, 120PTJU
PC0615-1 RXYQ72, 96, 120PTJU
REYQ144PTJU
REMQ72PTJU
PC0615-2
REYQ72, 96, 120PTJU
Does the
model setting of the
YES
substitute PC board match the
system?
YES
Are the
NO
YES
NO
YES
YES
NO
YES
NO
A
SiUS34-801A_b
NO
Make correct model setting.
(For setting procedure, refer to
information on P.97~, P.244~.)
Properly connect the connectors.
Replace it with a correct PC board.
Replace the compressor (M1C).
Replace the fan motor.
Troubleshooting