4. Troubleshooting
4-1
4. Troubleshooting
CODE SYMBOL
Meaning
Occurring condition
Expected condition
Temperature
sensor Error
When 0.2V or below, or 4.5V or above is maintained for over 3 seconds.
Thermistor terminal not connected.
Possible defect : Thermistor , Main PBA.
Heater Error
When the temperature change is 4
˚
C
or less within the first 10 minutes after
the heating starts.
Heater terminal not connected.
Possible defect : Main Wire-Harness, Heater, Main PBA.
High temperature
Heating error.
When the temperature of the Thermistor is 80
˚
C
or above for more than 3
seconds.
Water supply temperature of 80
˚
C
or above.
Possible defect : Thermistor , Main PBA.
Low-level water
error
1.When high level sensor is not detected after water supply was done, drain &
refill the water. After then, if high level sensor is not detected again, this error is
occurred.
2.When low level sensor is detected over 5 seconds during wash operation,
this error is occurred.
Water-level sensor terminal is not connected.
Possible defect : Assy case sensor, Water Level Sensor , Main
PBA.
Half load function
error
When micro s/w is not detected for over 30 seconds after the Distributor motor
starts.
Distributor motor defect.
Micro SW terminal is not connected.
Main PBA defect.
Water supply error
1. When the pulse of 100 or less is detected even 73 seconds after the water
supply.
2. When flow meter pulse is 5 or less for 13 seconds after the water supply
starts.
3. When the water supply does not complete 6 minutes after the water supply
starts.
Alien particles within water supply valve.
Water supply valve terminal not connected.
Possible defect : Main PBA, Water supply valve , Flow Meter.
High temperature
Water supply error
When 80
˚
C
or above is detected during water supply
Water supply temperature is 80
˚
C
or above.
Possible defect : Thermistor, Main PBA.
Drain error
When OFF status of Low Level S/W is not detected within 3 minutes during
the drain.
Alien particles are clogging in drain hose.
Drain pump terminal is not connected.
Possible defect : Drain pump, Water-level sensor , Main PBA.
Over-level water
error
When overflow detection AD data is 3.5V or below for 3 seconds (When
leakage sensor detects 3.5V or below for 1 seconds during water supply)
Alien particles within water supply valve.
Case Sensor part breakdown.
Possible defect : Flow Meter, Main PBA, Water supply valve.
Leakage
When leakage sensor detects 3.5V or below for 1 seconds
Possible defect : Each hose connection , Sump and Tub
assembly, Drain Pump assembly , Main PBA.
Button error
When the button is pressed continuously for over 30 seconds.
Possible defect : Sub PBA in control panel, Main PBA.
Door open warning When door is open in washing period.
Door is not closed properly in test mode only.
Possible defect : Door lock switch, Main PBA.
4-1. Information code
4-2-1. DMT800 & DMT700 series
