Daikin VRV II RXYQ5MY1B Service Manual page 251

Troubleshooting (OP: Central Remote Controller)
Troubleshooting
240
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Is
the wiring adaptor for
electrical appendices
connected?
NO
YES
Is a schedule timer
connected?
NO
Are
there two
or more optional
YES
controllers for centralized
control connected with the
connector for setting
master
control?
NO
Reset the power supply for
all optional controllers for
centralized control
simultaneously.
YES
Is a data station
connected?
NO
Is a parallel interface
connected?
NO
Is the
schedule timer's
individual/combined
connector
connected?
NO
If the malfunction is still not cleared:
SiE39-404
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 data
station cannot be used in
combination. Disconnect
YES
either the schedule timer or
data station and reset the
power supply for all optional
controllers for centralized
control simultaneously.
Schedule timer and parallel
interface cannot be used in
YES
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
YES 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
control 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 control 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 control when the
malfunction is cleared is
defective and must be
replaced.
(V2834)
Troubleshooting