Daikin Sky Air FAA71BUV1B Service Manual page 54

4 | Components
To check the HAP LED of the indoor unit main PCB
Service manual
54
a Connector X27A
Is the measured voltage on the indoor
unit main PCB correct?
Yes
No
4 Check the power supply to the indoor unit, see
4
procedures" [ 83].
Is the power supply to the indoor unit
correct?
Yes
No
Prerequisite: First perform a power check of the indoor unit main PCB, see
"4.5.1 Checking procedures" [
1 Locate the HAP LED on the indoor unit main PCB.
a
Action
Return to
procedures" [
main PCB and continue with the next
procedure.
Continue with the next step.
Action
Correct the wiring between the power
supply terminal of the indoor unit and
the indoor unit main PCB, see
"4.5.2 Repair
Adjust the power supply to the unit, see
"5.1.2 Repair
4
53].
"4.5.1 Checking
4
53] of the indoor unit
"5.1.1 Checking
4
procedures" [ 58].
4
procedures" [ 86].
FAA71+100BUV1B
Sky Air indoor units
ESIE22-01 – 2022.02