Samsung AM080KXMDFH/TC - Page 74

Troubleshooting
4-32 Samsung Electronics
■ Lock error on Fan2 of outdoor unit. (E-348) /
Lock error on Fan1 of outdoor unit. (E-448)
Outdoor unit Display E-348 / E-448
Judgement Method •IscheckedsymptomsbyphasecurrentofFanMotor.
Cause of problem
•FanMotorconnectionerror.
•DefectiveFan
•DefectivePCB
Did the error occurs? End of Service.
No
Yes
Yes
Did you check
the foreign objects on
the Fan
rotary wing?
Remove the foreign objects and restart
No
No
Yes
Power Off
Auto Trial Operation
Fan do rotate by hand? Replace Fan Motor.
If you rotate the fan by
hand, the noise occurs?
No
Yes
Connection wire of
Fan Motor did
confirmation ?
(Check the connection
status of the Fan1 and
Fan2.)
No
Replace f an motor
Check the connection status, and then restart.
Yes
Yes
Replace Fan PCB