Samsung DVM S ECO BIG Series Service Manual page 74

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