3
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Components
Service manual
105
RXQ25+3 3 3
35AMV1B
Split Sensira R32 BBOP
ESIE21-16 – 2022.02
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
Visually check the reactor for any damage or burnt‑out components. If any
damage is found, replace the reactor, see
3
Check the connections of the reactor on the main PCB and check continuity of
the wires, see
4
Remove the Faston connectors from the reactor.
a
a
Reactor
5
Using a megger device of 500 V DC, check the insulation resistance. Make sure
there is no earth leakage.
Is the measured insulation resistance
correct?
Action
Yes
Continue with the next step.
No
105].
6
Measure the resistance of the reactor.
Result:
The measured resistance MUST be 105.3~128.7 mΩ.
Is the resistance measurement correct? Action
Yes
Return to the troubleshooting of the
specific error and continue with the
next step.
No
105].
3.11.2 Repair procedures
To remove the reactor
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
1
Remove the required plate work, see
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.