Daikin R71FUV1 Service Manual page 410

Troubleshooting by Remote Controller
Check the resistance
value of the outdoor unit
fan motor.
the resistance
value of the outdoor
unit fan motor
fuse (F6U) have
After turning OFF the
power supply, correctly
insert the connector of
the fan motor and then
restore the power.
displayed again?
B
C
Is
normal?
YES
Does the
continuity?
YES
YES
Error is
NO
"U4" or "UF"
is displayed?
NO
NO
YES
YES
NO
Si20-701_B
Replace the
outdoor unit fan
motor.
Make the fuse
normal.
• In case of a fuse
can be
replaced,
replace the
fuse.
• In case of a fuse
cannot be
replaced,
replace PCB.
Replace the
outdoor unit
PCB.
Replace the
indoor unit PCB.
There is no
problem with the
unit. An external
factor (noise,
etc.) other than
unit failure may
be the cause.
403