Daikin AT12BV1LS Pocket Manual page 31

Troubleshooting
Trouble
shooting
Check No.1
Refer to
P.149
Check No.2
Refer to
P.150
30
Be sure to turn off power switch before connect or
Caution disconnect connector, or parts damage may be occurred.
Turn off power supply and rotate
fan by hand.
Does
fan rotate smoothly?
YES
Turn power ON and operate
fan.
Does it rotate?
YES
Stop fan motor.
Check No.01
Check output of fan motor
connector
Is rotation
number command pulse
generated?
YES
NO
Replace fan motor.
NO
A
NO
Replace indoor
Replace fan motor.
Replace indoor unit
PCB (2) .
Service Diagnosis
Si10-417