Daikin VRVIII-S, Service Manual

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Troubleshooting by Indication on the remote control SiENBE34-703
178 Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Caution
Is
the power
supply turned on
for indoor units displaying
malfunction?
Is
transmission
wiring disconnected or
wired incorrectly?
Is
the
transmission
wiring with the master
control disconnected or
wired incorrectly?
Is the master
controller's connector
for setting master
control disconnected?
Set the group No. correctly.
Replace indoor unit PC
board.
Fix the wiring correctly.
Fix the wiring correctly.
Connect the connector
correctly.
Replace the central PC
board.
Reset power supply
simultaneously for all optional
controllers for centralized
control.
Turn indoor unit's power
supply.
NO
Has an
indoor unit once
connected been remove or
its address
changed?
Is the group No. of
malfunctioning indoor
units set?
Is
transmission with
all indoor units
malfunctioning?
(V2829)
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO