Daikin SkyAir RZQ-P Series Service Manual page 153

SiUS28-902_B
Troubleshooting
Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution
the connector or parts may be damaged.
Has an
indoor unit once
YES
connected been removed or
its address
changed?
NO
Is the
power supply turned
NO
on for indoor units
displaying error?
YES
Is
transmission wiring
NO
disconnected or wired
incorrectly?
YES
Is
NO
transmission with all
indoor units error?
YES
Is the
transmission
wiring with the main NO
controller disconnected or
wired incorrectly?
YES
Is the main
NO
controller's connector
for setting main controller
disconnected?
YES
Troubleshooting by Indication on the Remote Controller
Is the group
NO
No. of error indoor units
set?
YES
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 central PCB.
145