Daikin R71FUV1 Service Manual page 417

Si20-701_B
Remote Controller Display
U5
Applicable Models
RZQ-C7, RZQG, CMSQ
Method of Error Detection
The error is generated when the micro-computer detects
that the transmission between the indoor and the outdoor
unit is not normal over a certain amount of time.
Error Decision Conditions
Normal transmission does not continue for specified
period.
Supposed Causes
Connection of 2 main remote controllers (when using
2 remote controllers)
Defective remote controller
Defective indoor unit PCB
External factor (Noise, etc.)
410
Troubleshooting by Remote Controller