Poor Centralized Controller Combination - Daikin VRV S RXQ4/5ARV1 Service Manual

SiAF332111E

5.71 Poor Centralized Controller Combination

Applicable Centralized controller
Models intelligent Touch Controller
Schedule timer
MA
Error Code
Method of Error
DIII-NET communication data is used to detect the error.
Detection
Error Decision
There are other centralized controllers but the schedule timer is set for individual use.
Conditions There are multiple main centralized controllers.
There is a remote control adaptor.
Supposed  Poor centralized controller combination
Causes  Multiple main centralized controllers
 Defective centralized controller PCB
Troubleshooting
Reference
CHECK 13 Refer to page 354.
Part 6 Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
The remote
YES
control adaptor (KRP2A series)
is connected.
NO
Does the
YES
schedule timer
connect?
NO
NO
Are
there two or
more centralized
YES
controllers connected with
setting connectors
(CN1/X1A)?
NO
Reset the
power supply of all the
YES
centralized controllers.
MA error recurs?
NO
Centralized controller: Normal
Not available for combined use with
remote control adaptor. Dismount
the remote control adaptor, and
then reset the power supply of all
the centralized controllers.
Does the
YES
BACnet ® interface
Not available for combined
connect? use of schedule timer and
BACnet
NO
either, and then reset all the
centralized controllers.
Does the
YES
® Not available for combined
L W interface
ON ORKS
use of schedule timer and
connect?
L
NO
either, and then reset all the
centralized controllers.
YES
Does the parallel
Not available for combined
interface connect?
use of schedule timer and
parallel interface. Dismount
NO
either, and then reset all the
centralized controllers.
Does the
Independent/Combined
YES
Dismount the Independent/Combined
use connector (CN1/X1A) of the
schedule timer connect?
use connector of the schedule timer,
and then reset all the centralized
controllers.
Main centralized
Integrate one unit for the
connector setting table
centralized controller
CHECK 13
connected with the
connector, and then reset all
the centralized controllers.
Disconnect the setting connector of the
main centralized controller and connect it
to a different centralized controller, and
then reset the power supply of all the
centralized controllers. If after this the
Possibly caused by external
error is resolved, the centralized controller
factors (such as interference)
connected with the setting connector is
related to other equipment.
faulty. Replace the controller.
Troubleshooting by Error Code
®
interface. Dismount
W ® interface . Dismount
ON ORKS
329