Troubleshooting by Remote Controller Si20-701_B
419
Remote Controller Display
U8
Applicable Models
RZQ-K/H, RZQ(S)-B/C, RZQG, RZR-KU/HU
Method of Error Detection
In case of controlling with 2- remote controller, check the
system using micro-computer if signal transmission
between indoor unit and remote controller (main and sub)
is normal.
Error Decision Conditions
The error is generated when, in case of controlling with 2
remote controllers, the micro-processor detects that the
transmission between the indoor unit and the remote
controllers (main and sub) is not normal over a certain
amount of time.
Supposed Causes
Transmission error between main remote controller
and sub remote controller
Connection among sub remote controllers
Defective remote controller PCB
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