Si20-701_B Troubleshooting by Remote Controller
404
3.94
U5
Transmission Error
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
îš„ Defective remote controller
îš„ Defective indoor unit PCB
îš„ External factor (Noise, etc.)
îš„ Connection of 2 main remote controllers (When using
2 remote controllers)
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