Daikin R71FUV1 Service Manual page 99

Si20-701_B
A
The
resistance
between the
power wire
terminals of the fan
motor and motor
frame (meal part)
is 1 MΩ or
below.
Remove the power wire
connector from the fan
motor and measure the
resistance between U and
V, V and W, and W and U
phases
CHECK 2
The
resistors
among U, V, and
W are unbalanced or
short circuited.
Remove the signal
connector from the fan
motor and check the
resistance
CHECK 2
Between
V and GND
CC
terminals, and
between GND and H
H , or H terminals
V U
are short
circuited.
B
CHECK 2
92
YES
NO
.
resistance
NO
YES
.
YES
,
W
NO
Refer to P.460.
Troubleshooting by Remote Controller
Replace the fan
motor.
Replace the fan
motor.
Replace the fan
motor.