Daikin AT12BV1LS Pocket Manual page 140

Si10-417
Trouble
shooting
Service Diagnosis
Be sure to turn off power switch before connect or
disconnect connector, or parts damage may be occurred.
Caution
Check the supply voltage.
Supply voltage as
specified?
YES
Turn on the
power again. System
restarted?
NO
Repeat a
couple of times.
A
(Precaution before turning on the power again)
Make sure the power has been off for
at least 30 seconds.
Disturbance factors
∗ Noise ∗ Power supply distortion
Troubleshooting
NO
Correct the power
supply.
YES
A
Replace the SPM.
(Replace the outdoor
unit PCB.)
Check for such factors
for a long term.
∗ Try to get restarted a
couple of times.
(R2854)
139