Unit Discharges White Mist; Humidifying Problem; Swing Flap Does Not Operate - Daikin RXM20R Service Manual

3 | Troubleshooting

3.6.10 Unit discharges white mist

3.6.11 Humidifying problem

3.6.12 Swing flap does not operate

Service manual
48
Check
Check installation conditions.
Check installation conditions.
Air filter.
Fan motor.
Check
Check the installation conditions.
Check the installation.
Check the outdoor temperature and
humidity.
Check the temperature setting.
Check the ventilation timing.
Check the air filter.
Symptom
Swing flap does not
operate
Detail
▪ Humid site.
▪ Dirty site.
▪ Oil mist.
Dirty heat exchanger.
Dirty air filter.
Defective fan motor.
Detail
▪ Insufficient heat insulation of duct.
▪ Ceiling too high for the floor size.
▪ Short circuit air flow caused by
insufficient installation space.
▪ Is the proper humidification hose,
specified by Daikin, used?
▪ Breakage
humidification hose.
▪ Is the length of the humidification
hose correct (within specified length)?
▪ Is setting
humidification hose length?
In case of extremely low outdoor
temperature or extremely low humidity,
the air outlet must be set at the height
of 1,8m.
Is the set temperature too high?
Is the room ventilated too often?
Is the air filter clogged?
Check
Check swing flap motor
Check indoor unit PCB
RXM20~71R(9) + ARXM25~71R(9) + FTXM20~71R + ATXM25~50R +
or blockage of
correct for
Detail
Some functions can force
the swing flap into a fixed
position, although swing
mode is selected on the
remote controller. This is
not a unit error, but a
control function to
prevent draft to the
customer.
Connector connection
FVXM25~50A
Split New Perfera R32
ESIE20-11B – 2022.02
the
the