Daikin AT12BV1LS Pocket Manual page 49

Troubleshooting
5.2.10 DC Fan Lock
Remote
Controller
Display
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Trouble
shooting
Check
No.15-1·2
Refer to
P.165
48
E7
A fan motor or related error is detected by checking the
high-voltage fan motor rpm being detected by the hall IC.
The fan does not start in 30 seconds even when the
fan motor is running.
The system will be shut down if the error occurs 16
times.
Clearing condition: Continuous run for about 5
minutes (normal)
Fan motor breakdown
Harness or connector disconnected between fan
motor and PCB or in poor contact
Foreign matters stuck in the fan
Be sure to turn off power switch before connect or
Caution disconnect connector, or parts damage may be occurred.
Fan motor
connector disconnected?
NO
Foreign
matters in or around
the fan?
NO
Get started.
Check No. 15-1·2
Check the outdoor unit PCB
rpm pulse input.
Pulse signal
inputted?
YES
YES
Turn off the power and
reconnect the
connector.
YES
Remove.
NO
Replace the outdoor
unit fan motor.
Replace the outdoor
unit PCB.
Service Diagnosis
Si10-417
(R2843)