Daikin VRV RXYQ72-384XAYCA Service Manual page 244

Troubleshooting by Error Code
1. Check also if the relay connector between the indoor unit control PCB and the fan motor are
correctly connected.
Reference
CHECK 16 Refer to page 372.
237
A
The HAP
lamp on the indoor unit
control PCB is
blinking.
YES
NO
SiUS342004EB
Replace the indoor unit control
PCB (A1P).
Replace the fan motor (M1F).
Part 6 Service Diagnosis