Daikin VRV III-S RXYMQ36 48PVJU Service Manual page 210

SiUS34-907
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Has the
remote control adaptor
(KRP2A series) been
connected?
NO
Has the
schedule timer been
connected?
NO
Are there
two or more
units of centralized remote
controller with master unit setting
connectors (CN1/X1A)
connected?
NO
Reset the
power supplies of every
centralized remote
controller.
MA
" " has
been cleared.
Centralized remote controller: Normal
: Refer to the information on P.218.
CHECK 9
Troubleshooting
YES
Has
YES
the Interface for BACnet
connected?
NO
Has the
interface for L
been connected?
NO
Has the
parallel interface been
connected?
NO
Has the
Independent/Combined
use connector(CN1/X1A) of the
schedule timer been
connected?
NO
The List of Setting of Master Unit
YES
Central Setting Connector CHECK 9
CHECK 9
MA
" " is displayed again.
It is supposed that the
malfunction results from
external factors (e.g. noises)
from other equipment.
Troubleshooting (OP: Centralized Remote Controller)
Not available for combined use
with the remote control adaptor.
Dismount the remote control
adaptor, and then reset power
supplies of every centralized
remote controller.
YES
â
been
Not available for combined use
of the schedule timer and the
Interface for BACnet
either of them, and then reset
power supplies of every
centralized remote controller.
â YES
W
ON ORKS Not available for combined use
of the schedule timer and the
interface for L
Dismount either of them, and
then reset power supplies of
every centralized remote
controller.
YES
Not available for combined use
of the schedule timer and the
parallel interface. Dismount
either of them, and then reset
power supplies of every
centralized remote controller.
YES
Dismount the Independent/
Combined use connector
(CN1/X1A) of the schedule
timer, and then reset power
supplies of every centralized
remote controller.
Integrate every centralized
remote controller to which the
master unit central connector is
connected, and then reset
power supplies of every
centralized remote controller.
Disconnect the master unit
central setting connector and
connect this connector to
different centralized remote
controller, and then reset power
supplies of every centralized
remote controller. Centralized
remote controller, to which the
master unit central setting
connector is connected at the
time when the malfunction code
is cleared, is faulty. Replace this
equipment.
â
. Dismount
â
W .
ON ORKS
201