Samsung WA48H7400AP - Troubleshooting; Error Modes

Troubleshooting _ 19
4. TROUBLESHOOTING
4-1. ERROR MODES
► This is a washer integrated error mode. For detailed information, refer to the general repair scripts.
Error Type For USA Causes Remarks
Water Level
Sensor
1C
- The part of the hose where the water level sensor is located is
damaged (punctured).
- The hose is clogged with foreign material.
- The hose is folded.
- Too much lubricant has been applied to the insertion part of the
air hose.
- Hose engagement error. (disengaged)
- Part fault. (Faulty internal soldering)
- The water level sensor terminal is disengaged.
- Main PBA fault.
Motor Driving
Error and Hall
Sensor Error
3C
- The PBA connector terminal is not connected.
- The motor spin net is not engaged.
- The motor’s internal coil is damaged. (short-circuited or cut)
- The hall sensor terminal is not connected.
- Foreign material (a screw) has entered the motor.
- Motor overloaded due to too much laundry. (Non-sensing)
- The motor hall sensor terminal is not connected.
- PBA fault.
- The motor driving error from the PBA is weak.
Unstablerelayoperation,etc.
- This occurs due to erroneous operating signals from the motor
hall sensor.
- The IPM terminal of the main PBA is not connected.
- The DD motor cover is out of place.
- The PCB housing terminal is not connected.
- PBA fault.
- DD motor fault.
This error occurs
because of restrained
revolutions.
This error occurs when
an interference is
generated due to too
muchlaundry,etc.
Water Supply
Error
4C
- Foreign material is entering the water supply valve.
- The water supply valve terminal is not connected.
(Wire disconnected)
- The warm water and rinse connectors are wrongly connected
to each other.
- This occurs if the PCB terminal from the drain hose to the
detergent drawer is not connected. Check whether the
transparent hose is folded or torn.
4C2
- The cold and warm water supply hoses are wrongly engaged
into each other.
- The temperature of the water supplied through the dry valve
duringadrycycleissensedashigherthan70˚C.
- Thewatertemperatureissensedashigherthan50˚Cinthe
Wool or Lingerie courses.
The water supplied for
1 minute drying the
drying cycle is 0.3 ~
0.4 L.
Drain Error 5C
- The pump motor impeller is damaged internally.
- The wrong voltage is supplied to the parts.
- Part fault.
- This occurs due to freezing in the winter season.
- Thedrainhoseisclogged.(Injectionerror,foreignmaterial)
- Clogged with foreign material.
- Thewaterpumpterminalisnotconnected:rubberband,bills,
cotton,hairpins,coinshavecollectedinsidethedrainpump
ASSY.