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Components
Service manual
81
RXQ25+3 3 3
35AMV1B
Split Sensira R32 BBOP
ESIE21-16 – 2022.02
CAUTION
Make sure that the Faston connectors are disconnected from the compressor wire
terminals and connected to the Inverter Analyzer before starting the power
transistor check operation. If NOT, power transistor check operation may damage
the compressor.
INFORMATION
Wait for 3 minutes for the power transistor check operation to start.
6
All LED’s on the Inverter Analyzer must lit.
7
Turn off the respective circuit breaker.
8
Wait a few minutes and confirm that the LED’s of the Inverter Analyzer are off.
9
Disconnect the Inverter Analyzer from the Faston connectors.
10
Connect the Faston connectors to the wire terminals U, V and W of the
compressor.
INFORMATION
Use the notes made during disconnection to connect the compressor wiring to the
correct wire terminals of the compressor.
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
81].
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.
3.7.2 Repair procedures
As the inverter PCB is integrated in the main PCB of the unit, see
81] for the repair procedures.
3.8 Main PCB
3.8.1 Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.