Daikin 4MXS-R Series Service Manual page 148

Troubleshooting with LED
FDMQ, FFQ series with wired remote controller (BRC1E73)
FDMQ series with wireless remote controller (BRC082A43)
In case of wireless remote controller, a receiver is installed. When the error occurs, the operation
lamp on the receiver blinks.
FFQ series with wireless remote controller (BRC082A41W, BRC082A42W(S))
In case of wireless remote controller, a transmitter board (A2P) and a receiver (A3P) are installed
on indoor unit. When the error occurs, the operation lamp on the receiver (A3P) blinks.
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The error or warning message also blinks on the basic screen.
Operation lamp
(red)
Operation lamp
(red)
SiUS121736EA
Operation lamp (green)
(R23942)
(R25009)
Service Diagnosis
(R24044)