Daikin R71FUV1 Service Manual page 429

Si20-701_B
Troubleshooting
Caution
Have
2 minutes and
over passed since
U9
the " "code was
indicated?
NO
Start operation of all the
indoor units.
The
UA
" " code
blinks in the
remote controller of
the other unit in the
same refrigerant
circuit.
NO
The
A1
" " code
blinks in the
remote controller of
the other unit in the
same refrigerant
circuit.
NO
The
A9
" " code
blinks in the
remote controller of
the other unit in the
same refrigerant
circuit.
NO
A
422
Troubleshooting by Remote Controller
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
YES
YES
YES
YES
Make judgement
again based on
the indication
after 2 minutes
and over have
passed.
UA
Go on to the "
troubleshooting
A1
Go on to the "
troubleshooting
A9
Go on to the "
troubleshooting
"
"
"