Samsung DV448AEP, Service Manual

Page: 34 / 130

32 _ Troubleshooting
■
The drum does not work.
The problem is in the PCB
assembly. Please replace it.
Press the Start button.
(Start/Pause is repeated)
Close the door.
(Check whether the door S/W is pressed)
Check the wire connection of the power
supply.
(Check the contact point and connected
condition of the door S/W)
COM
NO
NC
Check if the connector is normal.
(Normal: Check whether it is 0Ω when the
power is unplugged)
1. Check the belt cut S/W and connected
condition.
(Normal: Check whether it is 0Ω when the
power is unplugged)
2. Check the connected condition of the
motor, idler and drum belt.
Belt cut-off S/W
Is the Start button
on?
Yes
No
Is the connected
condition of the belt
normal?
Yes
No
Is the door closed
properly?
Yes
No
Is the connection
to the door S/W
normal?
Yes
No
Is the thermostat
normal?
Yes
No
Check whether the motor protector is
operating.
(Check for overload, drum constraint,
centrifugal S/W etc.)
Is the motor normal?
Yes
No