Daikin R71FUV1 Service Manual page 55

Si20-701_B
Troubleshooting
Caution
Is the room
temperature higher
than set value in
cooling?
NO
Is the
heat exchanger
of indoor unit soiled?
NO
Is the
site dusty or
with dense oil mist?
NO
Is the
airflow rate too
small?
NO
Did the trouble generate
on switching to heating
mode after complete of
defrosting in heating?
48
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
YES
Continue
the unit operation.
Is white mist coming
out from the
unit?
YES
YES
YES
Symptom-based Troubleshooting
NO
YES
Normal
Remove the
source of humid
condition.
Cleaning of heat
exchanger is
necessary.
Remove the
source of oil mist
or dust.
Cleaning of air
filter
Check the fan
motor.
(Refer to
troubleshooting
"A6")
Normal
(Mist is
generated due to
defrosting
operation)