Daikin REYQ72 Serveice Manual page 221

Troubleshooting (OP: Unified ON/OFF Controller)
210
2A
Is the
wiring adaptor for YES
electrical appendices
connected?
NO
YES
Is a schedule timer
connected?
NO
Are
there two or
more optional
controllers for centralized
YES
control connected with the
connector for setting
master
controller?
NO
Reset the power supply
for all optional controllers
for centralized control
simultaneously.
If the malfunction is still not cleared:
YES
Is a parallel interface
connected?
NO
Is the
schedule timer's
YES
individual/combined
connector
connected?
NO
SiUS39-602
Cannot be used in
combination with a wiring
adaptor for electrical
appendices. Remove the
wiring adaptor for electrical
appendices and reset the
power supply for all optional
controllers for centralized
control simultaneously.
Schedule timer and parallel
interface cannot be used in
combination. Disconnect
either the schedule timer or
parallel interface and reset the
power supply for all optional
controllers for centralized
control simultaneously.
Disconnect the schedule
timer's individual / combined
connector and reset the power
supply for all optional
controllers for centralized
control simultaneously.
Arrange so that the connector
for setting master controller is
connected to one controller for
centralized control and reset
the power supply for all
optional controllers for
centralized control
simultaneously.
Disconnect the connector for
setting master controller from
the master controller, connect
to another optional controller
for centralized control and
simultaneously reset all
optional controllers for
centralized control again. The
controller connected by the
connector for setting master
controller when the
malfunction is cleared is
defective and must be
replaced.
(V2843)
Troubleshooting