Fan Motor Connector Check (Power Supply Cable) - Daikin RXQ12AHR Service Manual

SiAF341904E

6.11 Fan Motor Connector Check (Power Supply Cable)

CHECK 16 Check the fan motor connector according to the following procedure.
Outdoor unit
1. Turn OFF the power supply.
2. Measure the resistance between phases of U, V, W at the motor side connectors (3-core
Indoor unit FXMQ50-140PB
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%)
Part 6 Service Diagnosis
wire) to check that the values are balanced and there is no short circuiting, while connector
or relay connector is disconnected.
Connector power wire use (X1A)
Red (5)
— (4)
White (3)
— (2)
Black (1)
Red U
White V
Black
W
U
V
W
Check
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