Samsung DMT300 Series Training Manual page 30

Trouble Shooting
Error Codes
CODE SYMBOL Meaning
Temperature
Sensor error
Heater error
High
temperature
Heating error.
Low-level
water error
Water supply
error
High
temperature
Water supply
error
Drain error
Over-level
water error
Leakage error
Button error
Door open
warning
Occurring condition
When 0.2V or below, or 4.5V or above is maintained for over 3
seconds
When the temperature change is 4℃ or less within the first 10
minutes after the heating starts
When the temperature of the Thermistor is 80℃ or above for
more than 3 seconds
When Low Level is detected to cause Error even after the water
supply resumes after Low Level is detected for the 1
1. When the pulse of 100 or less is detected even 1 minute after
the water supply
2. When flow meter pulse is 5 or less 5 seconds after the water
supply starts
3. When the water supply does not occur 5 minutes after the
water supply starts
When 80℃ or above is detected during water supply
When OFF status of Low Level S/W is not detected within3
minutes during the drain.
When overflow detection AD data is 4.0V or below for 3 seconds
(When leakage sensor detects 4.0V or below for 1 seconds
during water supply)
When leakage sensor detects 4.5V or below for 1 seconds
When the button is pressed continuously for over 30 seconds
When door is open in washing period.
Expected causes
Thermistor terminal not connected
Possible defect : Thermistor , Main PBA
Heater terminal not connected
Possible defect : Main Wire-Harness, Heater , Heater
Relay, Main PBA
Water supply temperature of 80℃ or above
Possible defect : Thermistor , Main PBA
Low Level Sensor terminal not connected
time
st
Possible defect : Low Level Sensor , Main PBA
Alien particles within water supply valve
Water supply valve terminal not connected
Possible defect : Main PB, Water supply valve , Flow
Meter
Water supply temperature of 80℃ or above
Possible defect : Thermistor, Main PBA
Alien particles clogging mater drain hose
Drain valve terminal not connected
Possible defect : Drain pump, Low Level Sensor , Main PBA
Alien particles within water supply valve
Case Sensor part leakage
Possible defect : Flow Meter, Main PBA
Possible defect : Base part hose connection , Sump and
Tub assembly, Drain Pump assembly , Main PBA
Possible defect : Sub PBA, Main PBA
Door is not close properly.
Possible defect : Door lock switch, Main PBA