Samsung DMT300 Series Manual

2013 DISHWASHER
Service Training
All models
Features
Extra Large Capacity
 Digital Touch Sensors
 Increased Convenience
 Super Quiet Operation
 No Filter Cleaning Required
Current Models
DW7933
DMT300
DMT400 DMT800
DMR78 DMR 77, DMR 57

Required Tools & Materials
Fast Tracks
Troubleshooting & Description of Parts
Precautions & Improvements
Table o f Contents

Samsung HA Warranty
•ALL Warranties are subject to change, always verify.
•1 Year Parts & Labor Base Warranty
•Some items may have longer Warranties, Check Owners
Manual or 800-SAMSUNG
–D/W 5 years Printed Circuit Board, Racking and
Lifetime Stainless Door Liner & Tub for leakage.
•No Damage Warranty, Consumer or Stock
•Stock Repair, 18 months from date of manufacture
•One Stock Repairs allowed under Warranty

Required Tools & Materials

Required Tools & Materials

5 to 8’ stainless steel
dishwasher extension
supply hose
6 to 8’ 16-3 Heavy duty
extension cord
Dishwasher Extension kit
Required Tools & Materials

Drain Extension Hose 3/8th compression union
Dishwasher Extension kit
Required Tools & Materials

Fine Point extended test probes Digital Multimeter
Required Tools & Materials

Fast Track
Required Tools & Materials

Fast Tracks

Fast Track
What is a Fast Track

Fast Track
How to download
1
2
3

Fast
Track
Manual
Example
page
Fast Track
Product Changes or Notifications

Fast Track
Checking Components on Main PCB

Fast Track
Schematic / Component Test Chart

Test
Mode on
the
fast track
Fast Track
How to Enter Test mode

Fault
CODES
DESCRIPTION SUSPECT Technical Description
Temperature Sensor error
TE1
Thermister
Main PCB
Thermister terminal not connected
Possible defect : Thermistor , Main PBA
Heater error
HE
Open Heater
Heater Relay
Main PCB
Heater terminal not connected Possible defect : Main Wire-Harness, open
Heater or Heater Relay, Main PBA
High temperature
Heating error.
HE1
Heater relay
Main PCB
Thermister
Water temperature sensed above 176F during operation Possible defect :
Thermistor , Main PBA or shorted heater relay
Low-level water error
9E
Low level Sensor Level sensor fails to close after 1.2 gallons of water is metered in. If water is
present check for level sensor float stuck in empty position or bad switch
Water supply error
4E
Flow Meter
Water Valve
No Water Supply
Main PCB does recognize proper or no water flow through flow meter.
Check supply and water valve
High temperature
Water supply error
4E1
Incoming Water Temp
sensed above
176F
Faulty Thermister or Main PCB / Incoming water is over 176F
Drain error
5E
Level sensor fails to open
after 3 minutes of drain
Evaluate Drain Operation / Possible kinked drain hose / obstruction in
pump or sump assembly. If water has drained check for level sensor stuck
in closed position.
Over-level Error
OE
Water reaches top of level
sensor container
Suspect stuck water valve / Faulty flow meter or possible drain issue.
Leakage error
LE
Water Present in Base of
D/W
Inspect for leaks / if no leaks present unplug sensor if code goes away
replace leak sensor if not check harness for short or pinched wire before
replacing Main PCB
Button error
6E2
Stuck Button When a button is pressed continuously for 30 seconds.
Check panel alignment / Main or Sub PCB failure
Door open warning Door is open in wash or at
start
Door is not close properly.
Possible defect : Door lock switch, Main PBA
How to Diagnose the Issue using the Error codes
Fast Track

Dishwasher “LE” Code
Pins to detect water by
change in resistance
LE code, CLEAN area
after Fault code
Hose Cut
Condensation may form, from
an un-insulated outside wall or
hole in floor to basement
Pump ass’y not properly twist locked

Troubleshooting & Description
Test Mode
Disassembly of Sump & Heater
Component Description