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Components
Service manual
68
(C)(F)TXA15~50A(W)(S)(T) + (C)(F)TXA15~50B(B)(S)(T) + RXA42+50A +
RXA20~35A + RXA42+50B
Split Stylish R32
ESIE18-03C – 2020.02
2.7 Indoor unit fan motor
2.7.1 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
1
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
68].
No
Replace the DC fan motor assembly, see
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
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
2.7.2 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
1
Pull the clip and remove the heat exchanger thermistor from its holder.
2
Remove the screw and remove the cover.
3
Remove the screw to disconnect the grounding wire from the heat exchanger
Summary of Contents for Stylish Series
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