Address Duplication Of Centralized Controller - Daikin VRV IV-S RXTQ-TAVJU Series Service Manual

SiUS331604E

4.46 Address Duplication of Centralized Controller

UC
Error Code
Applicable
All indoor units
Models
Method of Error The principal indoor unit detects the same address as that of its own on any other indoor unit.
Detection
Error Decision The error decision is made as soon as the abnormality aforementioned is detected.
Conditions
Supposed
Causes
Troubleshooting
Service Diagnosis

Address duplication of centralized controller

Defective indoor unit PCB
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Does the optional
remote controller for
centralized controller connect to
the indoor unit?
NO
YES
Troubleshooting by Error Code
Address duplication on the
centralized controller. Change
the setting to avoid centralized
controller address duplication.
Replace the indoor unit PCB.
202