Daikin Perfera RXM R Series Service Manual page 120

3 | Components
To perform a power check of the intelligent eye sensor
To perform an electrical check of the intelligent eye sensor
Service manual
120
INFORMATION
It is recommended to perform the checks in the listed order.
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the required plate work, see
2 Turn ON the power of the unit.
3 Remove the control panel from the indoor unit.
4 Measure the power supply voltage between the pins 1‑2 on the intelligent eye
sensor connector CN.
Result: The measured voltage MUST be 4.75~5.25 V DC.
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
"Checking procedures" [
"3.14 Plate
b
Action
Perform an electrical check of the
intelligent eye sensor, see
procedures" [
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
119].
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
4
work" [ 151].
"Checking
4
119].
"Repair
4
122].
"Checking procedures" [
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01
4
102].