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3
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Components
Service manual
73
RXQ25+3 3 3
35AMV1B
Split Sensira R32 BBOP
ESIE21-16 – 2022.02
3
Measure the resistance between the pins 6-9, 6-12, and 9-12 of the DC fan
motor connector.
Result:
All measurements MUST be 0.078 Ω.
4
Check the diode module by measuring the voltage between the following pins
of the DC fan motor connector.
VDC
Comm
Voltage
1
3
13.5 V DC
2
3
4.1 V DC
3
1
13.5 V DC
3
2
4.1 V DC
DC fan motor 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
73].
3.5.2 Repair procedures
To remove the DC fan motor assembly
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
94].
1
2
Click the indoor unit fan motor cover out of the indoor unit. If needed, remove
the screw (if installed) on the right hand side of the fan motor cover for easier
removal.
a
a
Indoor unit fan motor cover
3
Remove the rubber from the indoor unit.
4
Remove the indoor unit fan motor from the indoor unit.
5
To install the indoor unit fan motor, see
73].