Daikin FTX20K(2)V1B Service Manual page 100

Check
20/25/35 class
Pin 24: +
Pin 23: U
Pin 22: V
Pin 21: W
Pin 20: –
50/60/71 class
89
DC_N1: –
SiBE041525F
(R20703)
W
V
U
DC_P1: +
(R20704)
Service Diagnosis