Daikin R42NUY2S - Page 364

Troubleshooting by Remote Controller Si20-701_B
357
Troubleshooting
Refer to P.477.
Refer to P.478.
Is the
refrigerant level
proper?
NO
YES
Collect
refrigerant and
recharge a
proper amount of
refrigerant after
vacuum drying.
Check the transmission
wiring and piping
between the indoor and
outdoor units.
Is
wiring and
piping connection
matched?
NO
Match wiring and
piping
connection.
CHECK 12 Check for
inadequate refrigerant.
YES
Check the
refrigerant piping
system for
clogging.
CHECK 11
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
CHECK 11
CHECK 12