Daikin R71FUV1 Service Manual page 378

Troubleshooting by Remote Controller
Troubleshooting
Caution
Is the
power
supply voltage
between 200
±10% VAC?
YES
Remove the connector for
fan motor on the PCB,
and operate.
U2
" " is
displayed?
YES
CHECK 2
Is the resistance
valve is above the
criteria?
YES
Is the wiring
correct?
YES
A
CHECK 2
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
NO NO
Is the fan
motor normal?
(Refer to
troubleshooting
E7
"
NO
NO
Refer to P.460.
NO
" )
YES
Si20-701_B
Field factors
Replace the fan
motor.
Replace the fan
motor.
Correct the
wiring.
371