Daikin VRV RXYQ72-384XAYCA Service Manual page 380

Check
FXSQ54TA, FXSQ54TB, FXMQ15-54PB, FXMQ30-54TB
Remove the X1A connector from the fan PCB (A2P) and measure the resistance between the U
and V, V and W, and W and U phases of the motor connector (with five conductors) and check that
each phase are balanced (within a permissible dispersion range of ±20%).
FXMQ-TA
Measurement of power wire connector.
Remove the X1A connector from the fan PCB (A2P) and measure the resistance between the
U and V, V and W, and W and U phases of the motor connector (with five conductors) and check
that each phase are balanced (within a permissible dispersion range of ±20%)
373
Connector power wire use (X1A)
Red (5) U
— (4)
V
White (3)
— (2)
W
Black (1)
Connector power wire use (X1A)
Red U
V
White
W
Black
SiUS342004EB
Part 6 Service Diagnosis