Daikin RXTA30B2V1B Service Manual page 127

To check the HAP LED of the main PCB
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 Black wire
b White wire
Is the measured voltage on the PCB
correct?
Yes
No
3 Check the power supply to the unit, see
Does the unit receive power?
Yes
No
Prerequisite: First check the power supply to the main PCB, see
4
procedures" [ 126].
1 Locate the HAP LED on the main PCB.
a HAP LED
4
|
a b
Action
Return to "4.14.1 Checking
4
procedures" [ 126] of the PCB and
continue with the next procedure.
Continue with the next step.
"5.1.1 Checking procedures" [
Action
Replace the main PCB, see
"4.14.2 Repair procedures" [
Adjust the power supply to the unit, see
"5.1.2 Repair procedures" [
a
Components
4
209].
4
132].
4
210].
"4.14.1 Checking
Service manual
127