Troubleshooting (Op: Schedule Timer); Malfunction Of Transmission Between Centralized Controller And Indoor Unit; Controller And Indoor Unit - Daikin VRV II RXYQ5MATL Service Manual

Troubleshooting (OP: Schedule Timer)

5.

Troubleshooting (OP: Schedule Timer)

" UE "
5.1 Malfunction of Transmission Between Centralized

Controller and Indoor Unit

UE
Remote
Controller
Display
Applicable Schedule timer
Models All models of indoor units
Method of Microcomputer checks if transmission between indoor unit and centralized controller is normal.
Malfunction
Detection
Malfunction When transmission is not carried out normally for a certain amount of time
Decision
Conditions
Supposed
Causes
238
Malfunction of transmission between central remote controller and indoor unit
Disconnection of connector for setting master controller (or individual/combined switching
connector)
Defect of schedule timer PC board
Defect of indoor unit PC board
Si39-504
Troubleshooting