Daikin RTSQ20PY1 Service Manual page 303

SiBE31-801_C
Troubleshooting
*1. List of Compressor Inverter PCBs
*2. List of fan Inverter PCBs
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Was the PCB
NO
(A1P) replaced
with a spare
PCB?
YES
Is the model
setting of the
spare PCB
correct?
YES
Is the type of the
compressor inverter
PCB correct? (*1)
YES
Is the type of the fan
inverter PCB
correct? (*2)
YES
Does the
Preparation
indication lamp on
the main PCB turn
OFF?
YES
Model Applicable Models
RTSQ8 ~ 16P
PC0509-1
BTSQ20P
Model Applicable Models
PC0511-1 RTSQ8 · 10 · 12P
PC0511-3
RTSQ14P
PC0511-4
PC0511-1
RTSQ16P
PC0511-12
Troubleshooting by Indication on the Remote Controller
NO
NO
NO
NO
Make correct setting of
DIP switch.
(For setting procedure,
refer to information on
P.168.)
Replace it with the
correct compressor
inverter PCB.
Replace it with the
correct fan inverter
PCB.
Rectify the connection
wiring.
Replace the outdoor
unit PCB.
292