Troubleshooting by Remote Controller Si20-701_B
323
3.73
LC
Transmission Error
(between Control PCB and
Inverter PCB)
Remote Controller Display
LC
Applicable Models
RZQ-K/H, RZQ(S)-B/C, RZR-KU/HU
Method of Error Detection
Check whether transmission between control PCB and
inverter PCB is carried out normally.
Error Decision Conditions
When the transmission is not carried out in a specified
period of time or longer
Supposed Causes
îš„ Incorrect transmission wiring between control PCB
and inverter PCB/insufficient contact in wiring
îš„ Defective control PCB and inverter PCB
îš„ External factor (Noise, etc.)
îš„ Defective outdoor unit fan motor
îš„ Defective fan motor connector contact
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