Samsung DMR 57 Service Training Download Page 32 | Manualshive

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Flow Meter

Monitors the flow of water entering the unit

Flow meter must count the water flow for
this unit to operate

Water level switch is

activated by water from the inlet only.

You

can’t just pour water into the unit to test it.

Normal water fill, very little water
used approx. 0.9~1.1 gal

Flow Meter

DMR & DMT

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Summary of Contents for DMR 57

Page 1: ...R 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 ...

Page 2: ...Required Tools Materials Fast Tracks Troubleshooting Description of Parts Precautions Improvements Table of Contents ...

Page 3: ...arranty 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 ...

Page 4: ...Required Tools Materials ...

Page 5: ...Required Tools Materials ...

Page 6: ...5 to 8 stainless steel dishwasher extension supply hose 6 to 8 16 3 Heavy duty extension cord Dishwasher Extension kit Required Tools Materials ...

Page 7: ...Drain Extension Hose 3 8th compression union Dishwasher Extension kit Required Tools Materials ...

Page 8: ...Fine Point extended test probes Digital Multimeter Required Tools Materials ...

Page 9: ...Fast Track Required Tools Materials ...

Page 10: ...Fast Tracks ...

Page 11: ...Fast Track What is a Fast Track ...

Page 12: ...Fast Track How to download 1 2 3 ...

Page 13: ...Fast Track Manual Example page Fast Track Product Changes or Notifications ...

Page 14: ...Fast Track Checking Components on Main PCB ...

Page 15: ...Fast Track Schematic Component Test Chart ...

Page 16: ...Test Mode on the fast track Fast Track How to Enter Test mode ...

Page 17: ...ck 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 Er...

Page 18: ......

Page 19: ...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 ...

Page 20: ...Troubleshooting Description Test Mode Disassembly of Sump Heater Component Description ...

Page 21: ...y Clean Child Lock Just like the DMR series you advance through the test next mode by pressing the Normal button However each test will run by itself see sequence chart on next page when test has completed an led will light to indicate test is done and you can then advance to the next test Code list and descriptions located on pp 3 Note Like the DMR series the codes are displayed during operation ...

Page 22: ...Test Mode How to Enter Test mode ...

Page 23: ...Disassembly Storm wash Nozzle DMT Disassembly Removal of the Sump Heater ...

Page 24: ...Disassembly and Reassembly 5 PUMP CIRCULATION 1 2 Don t let the screwdriver slip Disassembly Removal of the Sump Heater ...

Page 25: ...Disassembly Cover Sump Filter Mesh body Assy Sump All models Upper parts Disassembly Removal of the Sump Heater ...

Page 26: ...Heater Sump Ass y 30 min faster heating Heater Accessed from the bottom of the D W ...

Page 27: ...Circulation Mtr 2 Speed Thermistor Drain Pump Heater Pull D W to access Half Load Mtr Blocks water flow to bottom rack Turbidity Sensor ...

Page 28: ...Main PCB Location Main Board Location on DMR series ...

Page 29: ...Disassembly and Reassembly 6 Panel Control part 1 2 Main PCB Main Board Location on DMT300 series ...

Page 30: ...Rear Leg Adjustment Single Leg in rear Main Board Main Board Location on DW7933 DMT 400 800 ...

Page 31: ...ewdriver Once the shield is removed you will have enough room to fit the probes into the connection to take your readings Once the checks have been completed replace the plastic shield by simply pushing it back into place until you hear it click Removal of plastic shield will allow wire access for Multimeter Probes Main Board ...

Page 32: ...it Flow meter must count the water flow for this unit to operate Water level switch is activated by water from the inlet only You can t just pour water into the unit to test it Normal water fill very little water used approx 0 9 1 1 gal Flow Meter DMR DMT ...

Page 33: ...Adjustable Spray Arms Water Flow path Adjustable Cracked spray arms will cause leaks or poor wash ability Replaces top rack ...

Page 34: ...The Half load motor will Direct the water flow to the upper rack only The lower dispenser will be blocked during this mode Half Load Wash Directs Water to the upper Rack ...

Page 35: ...Air Vent Dry System DMT300 DW7933 This system circulates air inside the wash tub with outside air using a plenum inside the door assembly ...

Page 36: ...Air Diffusion Condensing dry system Ass y Duct Condenser Ass y Case Vent Ass y Dry Duct Room Air In Vent Air Out Room Air In D W Air In Warm not hot air vented at bottom of door Air Vent Dry System DMT ...

Page 37: ...Thermal Actuator Wax Motor When fan is powered wax motor opens vent Thermal Actuator opens vent seal Air Vent Dry System DMT ...

Page 38: ...Thermal Actuator Wax Motor What is a WAX MOTOR Air Vent Dry System Wax Motor ...

Page 39: ...Sensors Overflow Low Level Left side of the D W OE Fault code High water pressure may cause water in the sensor tank to fill before sump fills water hits top sensor and creates the code Overflow Water Level Switch ...

Page 40: ...Sensors Overflow Low Level Left side of the D W Float arm Overflow Water Level Switch ...

Page 41: ...er wax motor close detergent door 2 Put the unit into service mode and check for 120 VAC to the wax motor 3 In approximately 40 seconds the wax motor will open the door 4 After the dispenser opens the rinse aid will be activated 5 Close detergent door to repeat test A A B B ...

Page 42: ...Rear leg adjuster ...

Page 43: ...Precautions Improvements ...

Page 44: ...ate rinse additive in the dispenser gives better drying performance For tough baked on soils an Enzyme detergent is better at hydration of the food soils For staining such as tomato coffee and tea a detergent with Chlorine bleach will work on the stains much better than an Enzyme based detergent Now that phosphate content in dishwasher detergent has plummeted to 0 5 percent from as high as 8 7 per...

Page 45: ...Dispenser Does Not Open Soap Dispenser Does Not Open Properly and or Soap is Running Down The Door at the end of the cycle Two complaints that indicate improper loading of the lower rack Precautions No Soap ...

Page 46: ...Precautions Leaking Door Leakage from the door ...

Page 47: ...Improvements Quietness ...

Page 48: ...Improvements Hidden Dryer Element ...

Page 49: ...Improvements Food Residue ...

Page 50: ...Improvements Loading Flexibility ...

Page 51: ...Improvements Leakage Sensor ...

Page 52: ...Improvements 3 wash Arms ...

Page 53: ...Improvements Condensed Drying ...

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