Daikin RXSQ24TAVJU Service Manual page 265

SiUS331708EA
Troubleshooting
Service Diagnosis
A
Are
all the indoor
NO
units experiencing
transmission
failure?
YES
Is the
master
NO
centralized controller
connection wiring
broken or
wrong?
YES
Is the setting
NO
connector of the
master centralized
controller
loose?
YES
Troubleshooting by Error Code
Does
the indoor
NO
unit on which the error
occurred set the
group No.?
YES
Correct the setting of
the group No.
Replace the centralized
controller PCB.
Correct the wiring.
Connect the connector
correctly.
Replace the centralized
controller PCB.
252