Daikin R71FUV1 Service Manual page 362

Troubleshooting by Remote Controller
Supposed Causes
Refrigerant shortage
Clogged refrigerant piping system
Mismatching of wiring and piping
Troubleshooting
Caution
CHECK 12
Check for refrigerant
shortage.
Is the
refrigerant
level proper?
YES
Check the transmission
wiring and piping between
the indoor and outdoor
units.
Is
wiring and
piping connection
matched?
YES
CHECK 11
CHECK 12
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
NO
Refer to P.477.
Refer to P.478.
Si20-701_B
Collect
refrigerant and
recharge a
proper amount of
refrigerant after
vacuum drying.
Match wiring and
piping
connection.
Check the
refrigerant piping
system for
clogging.
CHECK 11
355