Corrective Actions For Each Error Code - Samsung WF45M5500A Series Service Manual

4-3. CORRECTIVE ACTIONS FOR EACH ERROR CODE

► These are common troubleshooting procedures for each drum-type washer error mode. For detailed information,
refer to the general repair scripts.
Error
Error Type
Mode
• Water level sensor
•
Water Level
1C
Sensor
• The hose part for the
• Main PCB fault
• Washing motor fault
• Washing motor hall
•
Washing Motor
Error and Hall
3C
Sensor Error
• Washing motor rotor
• Main PCB fault
• The signals between
Communication
AC
• Incorrect wire
Error
DC
• Door switch fault
Door Error
• Main PCB fault
DC1
Causes Corrective Actions
Check the water level sensor
terminal connections and
contacts.
fault
An error occurs if an incorrect
Incorrect
water level sensor is used.
connections of the
Make sure to check the
water level sensor
material code.
terminal
(Abnormal operation)
If the water level sensor is
water level sensor is
faulty, replace it.
folded.
If the error persists despite
taking the action above,
replace the PBA.
Check the motor connector
terminal connections and
contacts.
3E is displayed because
overloading occurs due to too
sensor fault
much laundry.
Incorrect
If the hall sensor terminal is
connections of the
faulty, replace the hall sensor.
washing motor/hall
Check whether the stator of the
sensor connector
motor cover is damaged.
and stator fault
Check for coil disconnections
due to foreign material.
If the PBA control circuit is
faulty, replace the PBA.
Check the wire connections
and terminal contacts between
the sub and main PBAs.
the sub and main
Check for disconnected wires.
PBAs are not
sensed.
Check whether the sub PBA
is short-circuited because of
connections between
moisture.
the sub and main
If the main PBA's
PBAs.
communication circuit is faulty,
replace it.
If a dS error occurs, check
whether it occurs during the
Boil cycle.
- I f it is detected that the door
is open, close the door.
The 120V is directly connected
to the door.
Check and repair the power
wire connections and
insulation state.
Check the door switch.
Replace if faulty.
Check the main PBA door
sensing circuit. Replace if
faulty.
Description of Photo
Check the water level sensor
frequency.
- Check it after the water
level sensor and the
connector are connected.
Checking Part :
Pink Color Wire Orange
Color Wire.
- Frequency :
Approx. 25.5 KHz with
no load
► Check the motor Winding
Coil
Plug out the connector and
read resistances at any two
of the three terminals on
Motor
: Should be 6.0 Ω (at 25°C)
► Check the motor Hall
Sensor
Check the resistance on the
main PCB motor
(Between pins 1 and 3, and
1 and 4 of the four (4) pins)
- Resistance
: Approx. 2 to 4 MΩ
- Check the voltage when
the power is on.
-
► TYPE 1
Check the door switch
Resistance.
The resistance of 1 and 3
Pin Must be approximately
175Ω.
Troubleshooting _ 25