Daikin VRV S RXQ4/5ARV1, Service Manual, Page: 336 / 377

Troubleshooting by Error Code SiAF332111E
330 Part 6 Service Diagnosis
Reference
5.72 Address Duplication, Poor Setting
Applicable
Models
Centralized controller
intelligent Touch Controller
Schedule timer
Error Code
MC
Method of Error
Detection
DIII-NET communication data is used to detect the error.
Error Decision
Conditions
Multiple centralized controllers or intelligent touch controllers are connected, and the controllers
are both set as main centralized controllers or sub centralized controllers.
Two schedule timers are connected.
Supposed
Causes
 Centralized controller address duplication
Troubleshooting
CHECK 14 Refer to page 355.
YES
O N O N
NO
Correct the
master/slave setting.
Reset the power
supply of all the
centralized controllers.
Reset the power
supply of all the
centralized controllers.
Replace the
centralized controller.
NO
YES
S E Y S E Y
Is MC displayed again?
Master/slave
Setting Table
YES
NO
Centralized controller:
Normal
CHECK 14
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Is this
the first test operation
result using the intelligent
Touch Controller?
Is the
master/slave setting
of the centralized controller
correct?
Is the
master/slave
setting of the
centralized controller
correct?
Are
any centralized
controllers removed
or added?
For the intelligent Touch Controller, use
DIII-NET test operation menu to
correct the master/slave setting again.
Refer to the master/slave Setting
Table.
Reset the power supply of
all the centralized
controllers.
Reconnect the power
supply of the centralized
controllers displaying
MC .
Possibly caused by
external factors (such
as interference) related
to other equipment.