Daikin RXYQ36PAYL [306/452] Outdoor unit abnormal outdoor fan motor signal

Daikin RXYQ30PAYL [306/452] Outdoor unit abnormal outdoor fan motor signal
Troubleshooting by Indication on the Remote Controller Si34-803_B
295 Troubleshooting
3.26
H7
Outdoor Unit: Abnormal Outdoor Fan Motor Signal
Remote
Controller
Display
H7
Applicable
Models
RXYQ5P(A)~54P(A)
Method of
Malfunction
Detection
Detection of abnormal signal from fan motor.
Malfunction
Decision
Conditions
In case of detection of abnormal signal at starting fan motor.
Supposed
Causes
Abnormal fan motor signal (circuit malfunction)
Broken, short-circuited or disconnection connector of fan motor connection cable
Fan Inverter PCB malfunction
Troubleshooting
1: Disconnect connector (X2A) and measure the following resistance.
Turn power off.
Check the connector of fan
motor. (+1)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is the fan
motor connector
X2A connected to PCB
for fan inverter
correctly?
The
resistance of
fan motor lead wire
connector pins between
Vcc-UVW and
GND-UVW
balanced?
Replace the fan motor.
Replace the fan inverter PCB.
(A3P)
YES
NO
Connect correctly.
NO
YES
X2A
GND
Measure the
resistance
between Vcc-
UVW and
GND-UVW.
5 Gray
Vcc
W
V
U
4 Pink
3 Orange
2 Blue
1 Yellow

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