2 Components
Service manual
28
ATXP20~3 FTXP20~7 ARXP20~3
RXP20~71L2V1B
Split Comfora R32
ESIE18-01 – 2019.02
To perform an electrical check of the DC fan motor
assembly
1
First perform a mechanical check of the DC fan motor
assembly, see
"2.5.1 Checking procedures" on page 27
2
Measure the resistance between the pins 1-2, 1-3, and 2-3 of
the DC fan motor connector. All measurements MUST be
15~20 Ω.
DC fan motor resistance
measurements are correct?
Action
Yes
Return to the troubleshooting of
the specific error and continue
with the next procedure.
No
Replace the DC fan motor, see
"2.5.2 Repair procedures" on
page 28
2.5.2
Repair procedures
To remove the DC fan motor assembly
Prerequisite:
Turn OFF the unit via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
1
Pull the clip and remove the heat exchanger thermistor from its
holder.
2
Remove the screws to disconnect the grounding wires from the
heat exchanger.
a a
b
c
d
e
a
Grouding wire screw
b
Heat exchanger thermistor
c
Indoor unit PCB
d
Switch box screw
e
Switch box
3
Disconnect the connectors of the indoor unit fan motor and the
swing flap motor from the indoor unit PCB.
4
Remove the screw and remove the switch box from the indoor
unit.
5
Click the indoor unit fan motor cover out of the indoor unit.
a
a
Indoor unit fan motor cover
6
Remove the rubber from the indoor unit.
7
Remove the indoor unit fan motor from the indoor unit.
8
To install the indoor unit fan motor, see
To install the DC fan motor assembly
1
Install the indoor unit fan motor in its correct location on the fan.
2
Install the rubber in front of the fan motor.
3
Click the indoor unit fan motor cover on the indoor unit.
a
a
Indoor unit fan motor cover
4
Put the switch box in place.
