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Components
Service manual
110
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
Is the measured voltage on the indoor
unit power PCB correct?
Action
Yes
power PCB and continue with the next
procedure.
No
Continue with the next step.
3
Check the power supply to the indoor unit, see
Is the power supply to the indoor unit
correct?
Action
Yes
Correct the wiring between the power
supply terminal of the indoor unit and
the indoor unit power PCB, see
No
See "To check the power supply to the
indoor unit" (
To perform an electrical check of the indoor unit power PCB
Prerequisite:
First perform a power check of the indoor unit power PCB, see
1
Measure the voltage between the pins 1‑4 of the connector S102.
Result:
The measured voltage MUST be 324 VDC.
a
A
A
Indoor unit FTXTA-B
a
Connector S102
Summary of Contents for RXTA30B2V1B
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