Daikin Aurora Series Service Manual page 231

SiUS341802E
∗1. Fan motor connectors
Note:
CHECK 16
Service Diagnosis
A
The
fan cannot be
rotated by hand
when disconnecting the
connector from the
fan motor.
NO
Resistance
between the fan
motor power supply cable
terminal and the motor
frame (metallic part)
is not more than
1 MΩ.
NO
CHECK 16
Check for the connector (power
supply cable) of the fan motor.
Resistance
between U, V, W
phases of the fan motor
power supply cable has lost
balance or short circuit is
caused between U,
V, W phases.
NO
Turn ON the power supply to check for the HAP lamps on the fan
PCB.
The HAP
lamp on the fan
PCB does not blink.
NO
Fan motor PCB
M1F A6P
M2F A5P
Refer to page 299.
YES
YES
U V W
(Red) (White) (Black)
YES
YES
Connector
X1A
X1A
Troubleshooting by Error Code
Replace the relevant fan motor.
Replace the relevant fan motor.
Replace the relevant fan motor.
Replace the fan PCB (A5P, A6P).
Replace the relevant fan motor.
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