U5 Transmission Error Between Indoor Unit And Remote Controller - Daikin R71FUV1 Service Manual

Si20-701_B
U5
3.94
Between Indoor Unit and
Remote Controller
Remote Controller Display
U5
Applicable Models
RY-F, R(Y)-G/GA/FU/KU/LU/NU/PU, RR-M
Method of Error Detection
Micro-computer checks if transmission between indoor
unit and remote controller is normal.
Error Decision Conditions
When transmission is not carried out normally for a
certain amount of time
Supposed Causes
Defective remote controller
Defective indoor unit PCB
External factor (Noise, etc.)
Connection of 2 main remote controllers (When using
2 remote controllers)
404
Transmission Error
Troubleshooting by Remote Controller