Daikin Super Multi Plus E-Series FTXG25EV1BW Service Manual page 432

Troubleshooting for Outdoor Unit
Troubleshooting
420
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Has
an indoor
unit once connected
YES
been remove or its
address
changed?
NO
Is the power
NO
supply turned on for
indoor units displaying
malfunction?
YES
Is the
transmission wiring NO
disconnected or wired
incorrectly?
YES
Is the
transmission with
NO
all indoor units
malfunctioning?
YES
Is the
transmission
wiring with the master NO
controller disconnected or
wired incorrectly?
YES
Is
the master
controller's
NO
connector for setting
master controller
disconnected?
YES
Is the
group No. of NO
malfunctioning indoor
units set?
YES
SiBE18-821_C
Reset power supply
simultaneously for all
optional controllers for
centralized control.
Turn indoor unit's power
supply.
Fix the wiring correctly.
Set the group No.
correctly.
Replace the indoor unit
PCB.
Fix the wiring correctly.
Connect the connector
correctly.
Replace the PCB of the
centralized remote
controller.
(R13052)
Troubleshooting