Daikin RXTA30B2V1B Service Manual page 119

To perform an electrical check of the intelligent eye sensor
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+FTXTM30+40R2V1B+FTXTP25+35M5V1B+ATXTP25+35M5V1B
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02
a
a Control panel
b Intelligent eye sensor connector CN
Is the measured power supply voltage
correct?
Yes
No
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?
Yes
No
Prerequisite: First perform a power check of the intelligent eye sensor, see
"4.12.1 Checking procedures" [
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
2‑3
2‑4
b
Action
Perform an electrical check of the
intelligent eye sensor, see
"4.12.1 Checking
Continue with the next step.
Action
Replace the intelligent eye sensor
wiring harness, see
procedures" [
Perform a check of the indoor unit main
PCB, see "4.10.1 Checking
procedures" [
4
118].
Voltage
4.25~4.75 V DC
0 V DC
4 Components
|
4
procedures" [ 118].
"4.12.2 Repair
4 120].
4
97].
Service manual
119