Daikin R71FUV1 Service Manual page 452

Troubleshooting by Remote Controller
Troubleshooting
Caution
transmission
wiring disconnected
or wired
incorrectly?
RZQG
power supply
turned ON for indoor
units displaying
an indoor
unit once
connected been
removed or its
address
changed?
transmission error
with all indoor
transmission
wiring with the
centralized controller
disconnected or wired
incorrectly?
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
Is
NO
RZQ-C
Is the
error?
YES
Has
NO
Is
units?
YES
group No. of
defective indoor units
Is
the
NO
A
YES
NO
YES
NO
Is the
set?
YES
YES
Si20-701_B
Fix the wiring
correctly.
Turn indoor unit's
power supply.
Reset power
supply
simultaneously
for all optional
controllers for
centralized
control.
NO
Set the group
No. correctly.
Replace the
indoor unit PCB.
Fix the wiring
correctly.
445