Repair Procedures - Daikin RXTA30B2V1B Service Manual

4 | Components

4.12.2 Repair procedures

To remove the intelligent eye sensor
Service manual
120
3 Wave your hand in front of the right 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
Is the measured voltage correct?
Yes
No
4 Again, 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 CN.
Result: The measured voltage MUST be:
Connector pins
2‑3
2‑4
5 Again, wave your hand in front of the right 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 CN.
Result: The measured voltage MUST be:
Connector pins
2‑3
2‑4
Is the measured voltage on the
intelligent eye sensor correct?
Yes
No
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Remove the control panel from the indoor unit.
Voltage
0 V DC
4.25~4.75 V DC
Action
Intelligent eye sensor is OK. Return to
troubleshooting of the specific error
and continue with the next procedure.
Continue with the next step.
Voltage
0 V DC
4.25~4.75 V DC
Voltage
4.25~4.75 V DC
0 V DC
Action
Replace the intelligent eye sensor
wiring harness, see "4.12.2 Repair
4
procedures" [ 120].
Replace the intelligent eye sensor, see
"4.12.2 Repair procedures" [
"4.17 Plate work" [
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+FTXTM30+40R2V1B+FTXTP25+35M5V1B+ATXTP25+35M5V1B
R32 Optimized Heating 4 Split
4
120].
4
144].
ESIE21-12A – 2022.02