2
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Components
Service manual
81
(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
All LED’s of the inverter analyzer are lit
during inverter test?
Action
Yes
Return to
and continue with the next procedure.
No
Replace the inverter PCB, see
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.
2.10.2 Repair procedures
As the inverter PCB is integrated in the main PCB of the unit, see
81] for the repair procedures.
2.11 Main PCB
2.11.1 Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.
To perform a power check of the main PCB
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
99].
1
Turn ON the power of the unit.
2
Measure the voltage between the black and white wires.
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