Daikin RXTA30B2V1B, Service Manual

Page: 120 / 264

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