Error
Type
Error
Mode
Cause
Reason
Tests Without Pulling D/W
Water
Supply
Error
4E
1. When the pulse of 100 or less is detected
1 minute after the water supply starts
2. When flow meter pulse is 5 or less 5
seconds after the water supply starts
3. No water detected 5 min after start
Water supply valve defect, Flow Meter
defect, Particles within water supply
valve, Water supply valve terminal not
connected, Main PBA defect
Check valve resistance and
voltage at brown wire at CN14
to yellow wire at detergent
dispenser 1.2 K ohms @ 120vac
Water
Supply
Error
. .
Temp
Sensor
Error
4E1
.
.
.
tE1
When 80
Ԩ
or above is detected during
water supply
.
.
When 0.2V or below, or 4.5V or above is
maintained for over 3 seconds
Thermistor Defect, Water supply
temperature of 80
Ԩ
or above, Main PBA
defect
.
Thermistor terminal not connected
Thermistor Defect, Main PBA defect
Perform service test t3,
for 3 minutes and compare
display temp with actual water
temp Celsius. It should be
within about 8 degrees C.
Difference due to tank vs. sump
temperature.
Drain
Error
5E
When OFF status of Low Level S/W is not
detected within3 minutes during the drain
Drain pump defect, Low Level Sensor
defect, Particles clogging mater drain
hose, Drain valve terminal not connected
Main PBA defect
Perform service test t6 Check
motor resistance and voltage at
white on CN1 to orange wires at
CN14 42.2 ohms @ 120vac
Over-
flow
Error
oE
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)
Foreign particles in water supply valve,
Case Sensor part leakage, Flow Meter
defect, Main PBA defect
Leak-
age
Error
LE
When leakage sensor detects 4.5V or below
for 1 seconds
Base part hose connection defect
Sump and Tub assembly defect
Drain Pump assembly defect
Main PBA defect
Heater
Error
HE
.
. .
. .
.
HE1
When the temperature change is 4
Ԩ
or
less within the first 10 minutes after the
heating starts. .
.
.
When the temperature of the Thermistor is
80
Ԩ
or above for more than 3 seconds
Heater defect
Heater Relay defect
Heater terminal not connected
Main Wire-Harness defect
Main PBA defect
.
Heater Relay defect
Thermistor defect
Main PBA defect
Perform service test t3,
will heat water approximately 1
degree C per minute
If not working relay driver
voltage is on main pcb red wire
CN7 to white wire on door
switch on right looking at back
of panel. Will read
approximately 50 ohms and
12vdc off and 0.5vdc on.
Low
Water
Level
Error
9E
When Low Level is detected to cause Error
even after the water supply resumes after
Low Level is detected for the 1st time
Low Level Sensor defect
Low Level Sensor not connected
Main PBA defect
service test t6
no water in tub = OFF, water in
tub = ON possible float or micro
switch issue
Button
Error
bE2
When the button is pressed continuously
for over 30 seconds
Sub PBA defect
Main PBA defect
Check for moisture in console
Half
Load
Error
PE
When micro s/w is not detected for over 30
seconds after the Distributor motor starts
Distributor motor defect
Micro sw terminal not connected
Main PBA defect
Perform service test t8
Violet wire CN 14 to Yellow
wire at detergent dispenser 2.6
K ohms @ 120vac
Samsung 'Dishwasher' Diagnostic Code Quick Guide
8
