Transmission Error (Between Centralized Controllers) - Daikin RXSQ24TAVJU Service Manual

Troubleshooting by Error Code

4.65 Transmission Error (between Centralized Controllers)

M8
Error Code
Applicable
Centralized controller
Models intelligent Touch Controller
Schedule timer
Method of Error DIII-NET communication data is used to detect the error. (Automatic reset)
Detection
Error Decision
When the slave centralized controller is activated, there is no master centralized controller.
Conditions The previously connected centralized controller is not responding.
Supposed
Causes
245
Transmission defect between centralized controllers
Defective centralized controller PCB
SiUS331708EA
Service Diagnosis