Daikin VRV III-S RXYMQ36 48PVJU, Service Manual

Page: 217 / 264

Troubleshooting (OP: Unified ON/OFF Controller) SiUS34-907
208 Troubleshooting
Is the
wiring adaptor for
electrical appendices
connected?
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.
Is a parallel interface
connected?
Disconnect the schedule timer's
individual / combined connector
and reset the power supply for
all optional controllers for
centralized control
simultaneously.
YES
Is the
schedule timer's individual/
combined connector
connected?
YES
NO
A
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.
YES
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.
YES
NO
If the malfunction is still not cleared:
Is a schedule timer
connected?
Are
there two or more
optional controllers for
centralized control connected with
the connector for setting
master controller?
YES
NO
NO
NO
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.