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Components
Service manual
91
(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
7
Check that the DC fan motor connector is properly connected to the PCB.
8
Unplug the DC fan motor connector and measure the resistance between the
pins 1-3, 1-5, and 3-5 of the DC fan motor connector.
Result:
All measurements MUST be 52.7~58.3 Ω.
INFORMATION
Winding resistance values above are given for reference. You should NOT be reading
a value in kΩ or a short‑circuit. Make sure that the propeller fan blade does NOT
rotate, as this could affect resistance measurements.
9
Measure the insulation resistance for the motor terminals. Measurements
between each phase and ground must be >1°MΩ.
Are the measured resistance values
correct?
Action
Yes
Perform a check of the main PCB, see
No
Problem solved?
After all checking procedures listed above have been performed:
Is the problem solved?
Action
Yes
No further actions required.
No
Return to the troubleshooting of the
specific error and continue with the
next procedure.
Repair procedures
To remove the propeller fan blade assembly
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
1
Remove the required plate work, see
2
Remove the nut that fixes the propeller fan blade assembly.
a
b
Summary of Contents for Stylish Series
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