Troubleshooting
Samsung Electronics30
1. Causes of Failure
1) Cut or poor contact of motor connecting harness of the Air flow blade(right/left) of right side.
2) Defect by device hanging.
3) Poor Main PCB.
4) Poor stepping motor.
2. Inspection Items
1) Contact of motor connecting harness of the Air flow blade(right/left) of right side?
2) Output wave style from panel PCB port(PORT) during motor on?
3. Inspection Procedure
Turn on and turn the Air flow blade(right/left)
on with remote control.
Exchange the Air flow blade(right/left) of right side.
Check swing of the Air flow blade(right/left)
of right side, OK?
Check connector wire, cut or wrong?
Check voltage between Main PCB
CN201 No. #11, 12 and GND, DC12V?
Check wave style from Main PCB
CN201 No. #7, #8, #9, #10, spherical?
Good motor of the Air flow
blade(right/left) of right side.
Inspect and exchange
connection harness.
Inspect and exchange U202.
Exchange panel PCB.
No
Yes
No
Yes
Yes
Yes
No
No
5-3-5 When the Air flow blade(right/left) of right side does not operate.
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