Repair Procedures - Daikin RXTA30B2V1B Service Manual

4.13.2 Repair procedures

To remove the intelligent thermal 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 Intelligent thermal sensor assembly
4 Measure the power supply voltage between the pins 1‑4 on the intelligent
thermal sensor connector S800.
Result: The measured voltage MUST be 4~6 V DC.
Is the measured power supply voltage
correct?
Yes
No
5 Measure the output voltage between between the pins 1‑4 on the connector
on the indoor unit main PCB.S600
Result: The measured voltage MUST be 4~6 V DC.
Is the output voltage on the indoor unit
main PCB correct?
Yes
No
6 As there are no further check procedures for this component, first perform a
check of the indoor unit PCB to check if the intelligent thermal sensor needs
to be replaced. See
After complete check of the indoor unit
PCB, is the problem solved?
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
a
Action
Skip the next step.
Continue with the next step.
Action
Replace the intelligent thermal sensor
wiring harness, see
procedures" [
Perform a check of the indoor unit main
PCB, see
procedures" [
"4.10.1 Checking procedures" [
Action
No further actions required.
Replace the intelligent thermal sensor,
see "4.13.2 Repair
4 Components
|
"4.13.2 Repair
4 123].
"4.10.1 Checking
4
97].
4
97].
4
procedures" [
4
"4.17 Plate work" [ 144].
Service manual
123].
123