Ua Field Setting Switch And Transmission Line Abnormality - Daikin R71FUV1 Service Manual

Troubleshooting by Remote Controller
UA
3.101
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
Indoor-Outdoor, Indoor-Indoor transmission line
Defective remote controller wiring
For RZQG
Defective indoor unit PCB and wrong wiring
Defective power supply PCB connection
Defective remote controller wiring
Defective indoor unit PCB
Failure for setting the number of simultaneous multi-
units
Wrong wiring of crossing transition wire
Defective connection of optional equipment
Field Setting Switch and
Si20-701_B
433