Daikin RXYQ96PYDN Service Manual page 426

SiUS34-801A_b
Troubleshooting
*1. List of Inverter PC boards
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Was the
NO
PC board (A1P) replaced
with a substitute PC
board?
YES
Is the
model setting of the
substitute PC board
correct?
YES
Is the
type of the compressor
inverter PC board
correct? (*1)
YES
Is the
type of the fan inverter
PC board correct?
(*2)
YES
Does the
Preparation indication
lamp on the main PC
borad turn
OFF?
YES
REMQ72, 96, 120PYDN
PC0702 RXYQ72, 96, 120PYDN
REYQ72, 96, 120PYDN
REMQ96, 120PTJU
PC0615-1 RXYQ72, 96, 120PTJU
REYQ144PTJU
REMQ72PTJU
PC0615-2
REYQ72, 96, 120PTJU
Troubleshooting by Indication on the Remote Controller
NO
NO
NO
NO
Make correct setting of
DIP switch.
(For setting procedure,
refer to information on
page 97~, 244~.)
Replace it with the
correct compressor
inverter PC board.
Replace it with the
correct fan inverter PC
board.
Rectify the connection
wiring.
Replace outdoor unit
PC board.
• With single systems,
replace the control PC
board 1 (A1P) or the
control PC board 3
(A3P).
• With multi systems,
replace the main PC
board (A1P).
411