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Components
Service manual
119
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
a
b
a
Control panel
b
Intelligent eye sensor connector CN
Is the measured power supply voltage
correct?
Action
Yes
Perform an electrical check of the
intelligent eye sensor, see
118].
No
Continue with the next step.
5
Measure the output voltage between between the pins 1‑2 on the connector
S602 on the indoor unit main PCB.
Result:
The measured voltage MUST be 4.75~5.25 V DC.
Is the output voltage on the indoor unit
main PCB correct?
Action
Yes
Replace the intelligent eye sensor
wiring harness, see
120].
No
Perform a check of the indoor unit main
PCB, see
To perform an electrical check of the intelligent eye sensor
Prerequisite:
First perform a power check of the intelligent eye sensor, see
118].
1
Leave the intelligent eye sensor connector S602 connected to the indoor unit
main PCB.
2
Wave your hand in front of the left side (when facing the indoor unit) of the
intelligent eye sensor and measure the voltage between the following pins of
the intelligent eye sensor connector S602.
Result:
The measured voltage MUST be:
Connector pins
Voltage
2‑3
4.25~4.75 V DC
2‑4
0 V DC
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