Troubleshooting by Remote Controller Si20-701_B
433
3.101
UA
Field Setting Switch and
Transmission Line
Abnormality
Remote Controller Display
UA
Applicable Models
RZQ-C7, RZQG
Error Decision Conditions
Incorrect field setting
For RZQ-C7
The number of indoor units connected to this system is
more than limited.
For RZQG
Incorrect combination indoor unit and outdoor unit
Supposed Causes
For RZQ-C7
îš„ Indoor-Outdoor, Indoor-Indoor transmission line
îš„ Defective remote controller wiring
For RZQG
îš„ Defective indoor unit PCB and wrong wiring
îš„ Defective power supply PCB connection
îš„ Defective remote controller wiring
îš„ Defective indoor unit PCB
îš„ Failure for setting the number of simultaneous multi-
units
îš„ Wrong wiring of crossing transition wire
îš„ Defective connection of optional equipment
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