Centralized Address Setting Error - Daikin R-410A Service Manual

Error Codes: System Malfunctions
1.6 Centralized Address Setting Error (UC)
1
remote control
Display
Applicable Models
Method of
Malfunction
Detection
3 3
Malfunction
Decision
Conditions
Supposed Causes
4
Troubleshooting
5
Caution
4–10
UC
All indoor unit models
Indoor unit microcomputer detects and judges the centralized address signal according to the
transmission between indoor units.
When the microcomputer judges that the centralized address signal is duplicated
Faulty centralized address setting
Faulty indoor unit PC board
Are devices
relating to centralized
control connected to the
indoor
unit?
NO
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
YES
Change the setting so that the centralized
address is not duplicated.
Replace the indoor unit PC board.
ESIEN05-04
Part 3 – Troubleshooting