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Components
Service manual
72
RXQ25+3 3 3
35AMV1B
Split Sensira R32 BBOP
ESIE21-16 – 2022.02
WARNING
When reconnecting a connector to the PCB, make sure to connect it on the correct
location and do NOT apply force, as this may damage the connector or connector
pins of the PCB.
4
Fix the expansion valve coil harness using new tie straps.
5
Install the insulation cap on the expansion valve coil (if applicable).
Is the problem solved?
Action
Yes
No further actions required.
No
65] of the expansion
valve and continue with the next
procedure.
3.5 Indoor unit fan motor
3.5.1 Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.
To perform a mechanical check of 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
1
Check the fan for damage, deformations and cracks. Replace the fan as
needed.
2
Check that the fan is correctly installed on the DC fan motor. Correct as
needed.
3
Manually rotate the fan and check the friction of the DC fan motor shaft
bearing.
Is the DC fan motor shaft friction
normal?
Action
Yes
Perform an electrical check of the DC
fan motor assembly, see
72].
No
Replace the DC fan motor assembly, see
To perform an electrical check of the DC fan motor assembly
Prerequisite:
First perform a mechanical check of the DC fan motor assembly, see
1
Remove the cover from the switch box; see
2
Disconnect the DC fan motor connector from the appropriate PCB.