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Daikin VRV III-S RXYMQ36 48PVJU Service Manual Page 214

60 hz.
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SiUS34-907
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Is a
malfunction
code displayed on the
remote controller?
NO
Has a
once connected
indoor unit been removed
or its address
changed?
NO
Is the
power supply for
the indoor unit displaying
a malfunction turned
on?
YES
Is
transmission wiring
disconnected or wired
incorrectly?
NO
Is
transmission
with all indoor units
malfunctioning?
YES
Is the
transmission
wiring with the master controller
disconnected or wired
incorrectly?
YES
Is the
master controller's
connector for setting
master controller
disconnected.
NO
Troubleshooting
YES
YES
NO
YES
Is
the group
NO
No. of malfunctioning
indoor units
set?
YES
NO
YES
Troubleshooting (OP: Unified ON/OFF Controller)
Diagnose the cause with the air
conditioner's failure diagnosis
manual.
Reset power supply for all
optional controllers for
centralized control
simultaneously.
Turn the power supply of the
indoor unit on.
Correct the wiring.
NO
Set the group No. correctly.
Replace the centralized
controller PCB.
Correct the wiring.
Connect the connector correctly.
Replace the centralized
controller PCB.
205

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  • cp shukla Feb 16, 2016 06:50:
    RXYQ18PAY6 service manual & vrv Fulform