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Components
Service manual
48
(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
Compressor motor winding
measurements are correct?
Action
No
Replace the compressor, see
5
Re-connect the Faston connectors and install the cover of the compressor
wire terminals.
6
Install the compressor insulation.
7
Turn ON the power using the respective circuit breaker.
8
Start the unit operation via the user interface.
9
Once the compressor operates, measure the U-V-W inverter voltages. All
measurements MUST be the same.
Inverter voltage measurements are
correct?
Action
Yes
Continue with the next step.
No
Replace the inverter PCB, see
10
Measure the current in each phase U-V, V-W and U-W. All measurements
MUST be the same.
Compressor motor winding current
measurements are correct?
Action
Yes
Perform an insulation check of the
compressor, see
45].
No
Preventively replace the compressor,
see
50].
To perform an insulation check of the compressor
Prerequisite:
First perform an electrical check of the compressor, see
Prerequisite:
Stop the unit operation via the user interface.
1
Turn OFF the respective circuit breaker.
DANGER: RISK OF ELECTROCUTION
Wait for at least 10 minutes after the circuit breaker has been turned OFF, to be sure
the rectifier voltage is below 10 V DC before proceeding.
2
Remove the cover of the compressor wire terminals.
Summary of Contents for Stylish Series
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