Fan Motor Connector Check (Power Supply Cable) - Daikin VRV S RXQ4/5ARV1 Service Manual

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6.16 Fan Motor Connector Check (Power Supply Cable)

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

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%)

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)

Part 6 Service Diagnosis

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