Samsung AM080*XV Series, Service Manual

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T roub l eshooting
4- 6 4 Sa m sung El ectronics
4-3-42 Fan lock error
Outdoor unit disp l a y
( FAN P CB ( FAN 1))
( FAN P CB ( FAN2 ))
J udg m ent Method ∙ Is chec k ed s ym pto m s b y phase current of Fan Motor.
Cause of prob l e m
∙ Fan Motor connection error.
∙ Defecti v e Fan
∙ Defecti v e P CB
P o w er On and then Auto T ria l Operation
P o w er Off
R ep l ace Fan P CB
Y es
Did the error occurs ?
E nd of Ser v ice
No
Y es
Did y ou chec k
the foreign ob j ects on the Fan
rotar y w ing ?
R e m o v e the foreign ob j ects and restart.
No
Y es
Fan do rotate b y hand ?
R ep l ace Fan Motor
No
No
If y ou rotate the fan b y hand ,
the noise occurs ?
R ep l ace Fan Motor
Y es
Y es
Connection w ire of
Fan Motor did confir m ation ?
( Chec k the connection status of
the Fan 1 and Fan2. )
Chec k the connection status , and then restart.
No
1 . Cause of prob l e m