Uc" Address Duplication Of Centralized Controller - Daikin VRV II RXYQ8MY1K Service Manual

Troubleshooting by Indication on the Remote Controller
3.49 " UC "
Address Duplication of Centralized Controller
UC
Remote
Controller
Display
Applicable All models of indoor unit
Models Centralized controller
Method of The principal indoor unit detects the same address as that of its own on any other indoor unit.
Malfunction
Detection
Malfunction The malfunction decision is made as soon as the abnormality aforementioned is detected.
Decision
Conditions
Supposed
Causes
Troubleshooting
210
Address duplication of central remote controller
Defect of indoor unit PC board
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Optional
controllers for
centralized control are
connected to the
indoor unit.
NO
YES
Si39-502A
Address duplication of central
remote controller
The setting must be changed so
that the central remote control
address is not duplicated.
Replace indoor unit PC board.
(V2828)
Troubleshooting