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Components
Service manual
120
(A)(F)TXF20~71A + FTXF20~25B + (A)(F)TXF20~42C + (A)(F)TXF20~42D +
(A)(F)TXF20~42E + (A)RXF20~71A + RXF20~60B + (A)RXF20~42C +
(A)RXF20~42D + (A)RXF20~42E
Split Sensira R32
ESIE18-12G – 2023.01
Is the propeller fan blade assembly
damaged?
Action
No
Perform a mechanical check of the DC
fan motor assembly, see
To perform a mechanical check of the DC fan motor assembly
Prerequisite:
First perform a mechanical check of the propeller fan blade
1
Visually check:
▪
For any burnt‑out part or wire. If found, replace the fan motor, see
122].
▪
That fan motor fixation bolts are correctly installed and fixed. Correct as
needed.
2
Manually rotate the fan motor shaft. Check that it rotates smoothly.
3
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
No
Replace the DC fan motor assembly, see
122].
To perform an electrical check of the DC fan motor assembly
1
First perform a mechanical check of the DC fan motor assembly, see
INFORMATION
Check the DC fan motor power supply (voltage) circuit on the PCB.
2
Turn ON the power of the unit.
3
Activate
Cooling
or
Heating
operation via the user interface.
4
Check the functioning of the outdoor unit fan.
Outdoor unit fan …
Action
Rotates continuously (without
interruption)
DC fan motor assembly is OK. Return to
the troubleshooting of the specific error
and continue with the next procedure.
Does not rotate or rotates for a short
time
Continue with the next step.
INFORMATION
The DC fan motor connector MUST be plugged into the appropriate PCB.
5
Confirm via the service monitoring tool that the DC fan motor assembly
receives an ON signal.
6
Turn OFF the unit via the user interface.
7
Turn OFF the respective circuit breaker.
Содержание Split Sensira R32
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