Address Duplication Of Centralized Controller - Daikin SkyAir RZR-TA Series Service Manual

Troubleshooting by Error Codes

4.56 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
 Address duplication of centralized controller
Causes  Defective indoor unit PCB
Troubleshooting
288
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
SiUS281811EA
Address duplication on the
centralized controller. Change
the setting to avoid centralized
controller address duplication.
Replace the indoor unit PCB.
Part 6 Service Diagnosis