Repair Procedures - Daikin Sky Air FAA71BUV1B Service Manual

4 | Components
To check the communication wiring between the remote controller and the unit PCB

4.7.2 Repair procedures

To remove the user interface
To install the user interface
Service manual
68
Is the installed software and EEPROM
version correct?
Yes
No
1 Make sure that all wires between the remote controller user interface P1/P2
and the connector X30A: 7‑8 on the indoor unit main PCB are firmly and
correctly connected, see
2 Check the continuity of all wires.
3 Replace any damaged or broken wires.
INFORMATION
Correct the wiring as needed.
4 Make sure that all wires between the remote controller user interface P1/P2
and the connector X30A: 5‑6 on the indoor unit PCB are firmly and correctly
connected, see "7.2 Wiring
5 Check the continuity of all wires.
6 Replace any damaged or broken wires.
INFORMATION
Correct the wiring as needed.
Is the problem solved?
Yes
No
1 See relevant manual of the user interface (remote controller) for the correct
procedure.
2 To install the user interface, see
1 See relevant manual of the user interface (remote controller) for the correct
procedure.
Is the problem solved?
Yes
Action
Return to the troubleshooting of the
specific error and continue with the
next procedure.
Re-install the software with the Updater
Tool see "4.7.2 Repair
procedures" [
4
"7.2 Wiring diagram" [
4
diagram" [ 93].
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"4.7.2 Repair procedures" [
Action
No further actions required.
4
68].
93].
4
68].
FAA71+100BUV1B
Sky Air indoor units
ESIE22-01 – 2022.02