Error Codes - Samsung DMT300RFB/XAA Troubleshooting Manual

CODE Meaning
SYMBOL
Temp
Sensor
error
Heater
error
High
temp
error.
Low-
level
water
error
Water
supply
error
High
temp
Water
error
Drain
error
Over-
level
water
error
Leak-
age er-
ror
Button
error
Door
open
warning
# tsDMT300RF RevB 03/21/2011
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 sec-
onds
When Low Level is detected to cause
Error even after the water supply re-
sumes after Low Level is detected for
st
the 1 time
1. When the pulse of 100 or less is de-
tected even 1 minute after the water sup-
ply
2. When flow meter pulse is 5 or less 5
seconds after the water supply starts
3. When the water supply does not oc-
cur 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 within 3 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 sec during water supply)
When leakage sensor detects 4.5V or
below for 1 seconds
When the button is pressed continu-
ously for over 30 seconds
When door is open in washing period.
Expected causes
Thermistor not connected, Possible
defect : Thermistor , Main PBA
Htr terminal not connected
Possible defect : Main Wire-
Harness, Htr , Htr Relay, Main PBA
Water supply temp of 80℃ or above
Possible defect : Thermistor , Main
PBA
Low Level Sensor terminal not con-
nected, Possible defect : Low Level
Sensor , Main PBA
Alien particles within water supply
valve
Water supply valve terminal not con-
nected
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
Particles within water supply valve
Case Sensor part leakage, Possible
defect : Flow Meter, Main PBA
Possible defect : Base part hose
connection , Sump and Tub assem-
bly, Drain Pump assembly , Main
PBA
Possible defect : Sub PBA, Main
PBA
Door is not close properly.
Possible defect : Door lock switch,
Main PBA
5