Repair Procedures - Daikin Sky Air FAA71BUV1B Service Manual

4 | Components

4.4.2 Repair procedures

To remove the DC fan motor assembly
To install the DC fan motor assembly
Service manual
52
16 Manually (slowly) rotate the shaft of the indoor unit fan motor 1 turn and
measure the voltage on the DC fan motor connector pins 1-4.
Result: 4 pulses MUST be measured.
Pulses are measured during fan motor
shaft rotation?
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
1 Remove the switch box, see
2 Remove the 2 screws and click out the brackets.
a c
A
b
A FAA71B unit
B FAA100B unit
a Screw
b Bracket
c Indoor unit fan motor
3 Slide the indoor unit fan motor out of the indoor unit.
4 To install the indoor unit fan motor, see
1 Install the indoor unit fan motor in its correct location on the fan.
Action
Perform a check of the indoor unit main
PCB, see
procedures" [
Replace the indoor unit fan motor, see
"4.4.2 Repair
"4.6 Plate work" [
a a c
B
b
"4.4.2 Repair
"4.5.1 Checking
4
53].
4
procedures" [ 52].
4
"4.6 Plate work" [ 60].
4
60].
a
4
procedures" [
FAA71+100BUV1B
Sky Air indoor units
ESIE22-01 – 2022.02
52].