Daikin R407C PLUS - Improper Combination of Optional Controllers for Centralized Control

Si33-105 Troubleshooting (OP: Central Remote Controller)
Troubleshooting R407C PLUS Series Heat Recovery System 207
6.4 Improper Combination of Optional Controllers for
Centralized Control
Remote
Controller
Display
MA
Supposed
Causes
!
Improper combination of optional controllers for centralized control
!
More than one master controller is connected
!
Defect of PC board of optional controller for centralized control
Troubleshooting
(VF073)
NO
NO
NO
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 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
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 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.
Reset the power supply for
all optional controllers for
centralized control
simultaneously.
YES
YES
Is the
wiring adaptor for
electrical appendices
connected?
YES
Is a schedule timer
connected?
Are
there two
or more optional
controllers for centralized
control connected with the
connector for setting
master
control?
YES
Is a parallel interface
connected?
NO
YES
Is the
schedule timer's
individual/combined
connector
connected?
YES
Is a data station
connected?
NO
NO
If the malfunction is still not cleared:
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.