Si20-701_B Troubleshooting by Remote Controller
408
Remote Controller Display
U5
Applicable Models
RZQ-K/H, RZQ(S)-B/C, RZR-KU/HU
Method of Error Detection
Micro-computer checks if transmission between indoor
unit and remote controller is normal.
Error Decision Conditions
The error is generated when the micro-processor detects
that the transmission between the indoor unit and the
remote controller is not normal over 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).
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