5 | Third party components
Service manual
62
RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04 – 2022.04
To correct the wiring from the main power supply terminal to the indoor unit power supply
terminal
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "4.1Plate work"[448].
1 Make sure that all wires are firmly and correctly connected, see "7.2Wiring
diagram"[478].
2 Check the continuity of all wires.
3 Replace any damaged or broken wires.
INFORMATION
If applicable, also check the electrical components between the main power supply
terminal and the indoor unit power supply terminal (e.g. intermediate terminal, noise
filter, fuse, …).
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.
To correct the wiring between PCB's
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "4.1Plate work"[448].
1 Make sure that all wires are firmly and correctly connected, see "7.2Wiring
diagram"[478].
2 Check the continuity of all wires.
3 Replace any damaged or broken wires.
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.
5.2 Refrigerant circuit
5.2.1 Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.
To check if the stop valves are open
Prerequisite: Remove the required plate work, see "4.1Plate work"[448].
1 Remove the caps.
draft–22/04/2022 08:50
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