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Components
Service manual
128
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
INFORMATION
Make sure the correct software is available on the PCB. If NOT, update using the
updater tool.
Does the HAP LED blink in regular
intervals (1 second ON/1 second OFF)?
Action
Yes
and continue with the next procedure.
No
Replace the main PCB, see
To check if the correct spare part is installed
Prerequisite:
First perform all earlier main PCB checks, see
1
Visit your local spare parts webbank.
2
Enter the model name of your unit and check if the installed spare part
number corresponds with the spare part number indicated in the webbank.
NOTICE
Also check that the correct spare part is installed for the capacity adapter.
Is the correct spare part for the PCB
installed?
Action
Yes
and continue with the next procedure.
No
Replace the main PCB, see
To check the wiring of the main PCB
Prerequisite:
First perform all earlier main PCB checks, see
Prerequisite:
Stop the unit operation via the user interface.
1
Turn OFF the respective circuit breaker.
2
Check that all wires are properly connected and that all connectors are fully
plugged‑in.
3
Check that no connectors or wires are damaged.
4
Check that the wiring corresponds with the wiring diagram, see
232].
INFORMATION
Correct the wiring as needed.
Is the problem solved?
Action
Yes
No further actions required.
Содержание RXTA30B2V1B
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