Daikin AT12BV1LS Pocket Manual page 151

Troubleshooting
Check
No.02
5.4.2 Limit Switch Continuity Check
Check
No.3
150
1. Check connector connection.
2. Check motor control voltage output (pins 2-1).
S202
5
4
3
2
1
Remove the front grille. The limit switch is located at the
left side of the drain pan assembly. Check the continuity
of the switch connection.
Upward
Limit switch
Shutter status
Continuity
∗
The shutter can be opened and closed with hand.
Keep the shutter open and closed all the way for
each continuity check steps.
Motor power supply voltage
Unused
Unused
P.0V (reference potential)
Motor control power supply
Forward
Open
Continuity
Si10-417
(R1073)
Tester
Closed
No continuity
(Q0363)
Service Diagnosis