Daikin VRV RXYQ72-384XAYCA, Service Manual

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Check SiUS342004EB
373 Part 6 Service Diagnosis
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%)
Red
—
W hite
—
Black
(5)
(4)
(3)
(2)
(1)
U
V
W
Connector po w er w ire use (X1A)
Red
White
Black
U
V
W
Connector power wire use (X1A)