Samsung DW80M2020US/AA Service Manual Download Page 41 | Manualshive

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Troubleshooting_39

Check Type

Check Mode

Checking Method

Corrective actions

Detergent is not

dispensed.

None

1. Check whether detergent is inserted into the dispenser.

- Check whether there is detergent in the Dispenser.

2. Check the connections for the Dispenser connector.

- Reconnect the Dispenser connector.

3. Check the resistance of the Dispenser.
Measure the resistance between pin 1 (pink) and pin 2 (gray)
of the main PBA CN6 connector
(Remove the connector before measuring.)
Normal: Approx. 16

●

Faulty: Replace the Dispenser.

Ω

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Summary of Contents for DW80M2020US/AA

Page 1: ...ER Basic model DW80M2020US Model Name DW80M2020US Model Code DW80M2020US AA 1 Safety Instructions 2 Features and Specifications 3 Disassembly and Reassembly 4 Troubleshooting 5 PCB Diagram 6 Wiring Diagram 7 Reference DW80M2020US DW80M2020US AC ...

Page 2: ...2 4 Options Specifications 8 3 Disassembly and Reassembly 9 3 1 Tools for Removal and Reassembly 9 3 2 Standard Disassembly Drawings 10 4 Troubleshooting 28 4 1 Preparation 28 4 2 Service Inspection Mode 32 5 PCB Diagram 43 5 1 MAIN PBA 43 5 2 MAIN PBA 44 5 3 PCB Diagram 45 5 4 PCB Diagram 46 6 Wiring Diagram 47 6 1 WIRING DIAGRAM 47 7 Reference 48 7 1 Model Number Naming Rules 48 7 2 Terminology ...

Page 3: ...sconnect the circuit breaker or power cable before servicing Failure to do so may result in a risk of electric shock ࣃ ࣃ Do not allow consumers to connect several appliances to a single power outlet at the same time There is a risk of fire due to overheating ࣃ ࣃ When removing the power cord make sure to hold the power plug when pulling the plug from the outlet Failure to do so may damage the plug ...

Page 4: ...connect the PBA power terminals before starting the service Failing to do so may result in a high voltage electric shock ࣃ ࣃ When replacing the heater make sure to fasten the nut after ensuring that it is inserted into the bracket heater If the nut is not fastened correctly it can cause a water leak After Servicing ࣃ ࣃ Check for any water leakage Perform a test using the standard normal cycle and ...

Page 5: ...tton using a sharp tool or object This may result in electric shock or damage to the product During Servicing ࣃ ࣃ When connecting a wiring harness make sure to seal it completely so no liquid can enter Make sure that the connections are securing by slightly pulling on them ࣃ ࣃ Check if there is any evidence that liquid has entered electric components or connections If any liquid has entered into a...

Page 6: ...ng ࣃ ࣃ Check the assembled status of the parts They must be the same as before servicing ࣃ ࣃ Check whether the product is level with the floor and secured to the cabinet and under the counter Vibrations can shorten the life of the product ...

Page 7: ... accommodate 14 Increased convenience The smart auto cycle determines the level of soil on the dishes and initiates the optimal cycle for cleaning Use this feature to save water energy and time Elegant design with digital touch sensors Digital touch sensors are used in the control panel for more simple operation with a touch of elegance place setting dish ...

Page 8: ...gs ㆍ Control panel design Top control type Touch operation ㆍDimension W x D x H 23 3 4 x 24 5 8 x 33 3 4 in 604 x 625 x 856 mm Sales Point ㆍFlexible Style Inclined Rack System Height adjustable Upper Basket manual ㆍUpgraded Kitchen Pleasant kitchen environment Simple Modern design ㆍSmart Control Soil sensing Programming Excluding Handle 858 Open heated dry Warning The floater is an important compo...

Page 9: ...ry Vent Open Heated dry Open Heated dry Vent Open Heated dry Cycles 4 4 4 4 Options 3 Delay start Sanitize Hi Temp Wash 3 Delay start Heated dry Hi Temp Wash 3 Delay start Heated dry Hi Temp Wash 3 Delay start Heated dry Steam cleaning Racking system 2 PP Rack 2 Vinyl Rack 2 Nylon Rack 2 Rack Filter Disposer Filter Filter Filter Filter Noise Level 55dB 55dB 55dB 54dB Leak Protection Available Not ...

Page 10: ... 2 Bracket install 2 screws for top mounting 2 screws for kick plate 1 Provided With the Dishwasher User Manual 1 Install Guide 1 90 Elbow 3 8 1 Sold separately Water Supply Line Flexible STS supply line is recommend 1 Air Gap 1 Rubber Connector 1 Strain Relief 1 Bracket For Cable tie For drainhose1 1 clamp for drain hose1 2 1 cable tie drain hose1 ...

Page 11: ...residual water inside the product Drain the water by operating the drain pump 2 Close the water supply valve 3 Turn off the power disconnect power cable You must turn off the circuit breaker connected to the product 4 Pull out the unit from the sink and lay it on the floor Be careful of the drain hose when pulling out the unit Caution When pulling out or laying the dishwasher down for service it m...

Page 12: ...ing any parts for service be sure to drain as much of the water from the unit as possible Use a protective mat or towel to prevent damage to the floor or having any of the remaining water spill on the floor All voltage checks should be made with a voltmeter having a full scale range of 250 volts or higher After service is completed be sure all safety grounding circuits are complete all electrical ...

Page 13: ...ct the power 1 Main PBA door 2 Remove the two 2 screws of PBA case and pull out the PBA cover carefully 3 Remove all connectors on the PBA 4 Remove the two 2 screws on the PBA board 5 Pull out the PBA board carefully When removing the Main PBA lift the PBA board up carefully because it is hanging on the PBA case by two 2 hooks The is located under ...

Page 14: ...ushioned mat on the floor to prevent the parts from being scratched After removing screws make sure to hold the tub front using your hand It can prevent closing door suddenly and harming you Caution Do not place the removed screws on the tub front They may fall into the sump assy Reassembly is in the reverse order of the removal 2 Remove the cover fan by rotating it counterclockwise Control Panel ...

Page 15: ...iption Control Panel Reassembly is in the reverse order of the removal Door outer 2 Remove the wire connector from the control panel 1 Remove the rope connector from the hinges 2 Open the door about 10 degree and pull up the outer door from the pin s ...

Page 16: ...scription DUCT CONDENSER Remove the two 2 screws holding the duct condenser in place Reassembly is in the reverse order of the removal 1 Remove the duct condenser from the door outer 2 14 _ Disassembly and Reassembly ...

Page 17: ...er is fixed to the tub front with eight 8 hooks Use a flat tip screwdriver to remove it 2 it to the inside carefully Caution Be careful as the tub front is sharp Reassembly is in the reverse order of the removal Push Disassembly and Reassembly _ 15 ...

Page 18: ... Rotor counterclockwise Assy Rotor Middle Remove it by rotating the holder rotor middle from Assy basket Middle 3 Assy Rotor Lower Pull out Reassembly is in the reverse order of the removal 2 Assy Sump Upper parts Filter Micro Filter Fine Filter Insert 1 Rotate the filter insert counterclockwise to unfasten and then detach the filter insert 2 Remove the filter fine 3 Remove the filter micro 16 _ D...

Page 19: ...e the Reassembly is in the reverse order of the removal 1 Remove two 2 screws the from lower spray base lower spray base 2 Remove the 1 Remove four 4 screws the from cover cover Lower spray Base Cover Disassembly and Reassembly _ 17 ...

Page 20: ...fer the each disassembly section 1 Remove the parts which are connected with Assy sump connectors drain pump screws 2 Remove the four 4 screws 3 Pull out the Assy sump using your hands toward the outside carefully Caution Make sure to remove remaining water in the dishwasher If not water will spill on to the floor Reassembly is in the reverse order of the removal 4 Remove the wash pump 18 _ Disass...

Page 21: ...the two clamps Preparation Be careful when removing the clamps cause the connecting hose is easily damaged Water remaining in the Water Inlet and will come out Lay a towel on the floor to absorb any water that may come out 3 Remove the Water Inlet by rotating counterclockwise Inlet Reassembly is in the reverse order of the removal Caution 2 Remove connecting hose connecting hose Disassembly and Re...

Page 22: ... baskets in the dishwasher Pull out the dishwasher carefully Remove the water supply line elbow 1 Lay the dishwasher down on its back Remove the one screw 2 Press on and pull out the four fixture hooks 3 Hold up the Base Cover and pull out 4 Remove the Leakage Sensor 5 Press on the two fixture blocks of the Leakage Sensor Cover ÿÿÿÿ ÿÿÿÿÿ Base Cover 20 _ Disassembly and Reassembly ...

Page 23: ...arate 1 Remove the Sound proof Felt 2 Pull out the two Hooks Make sure to wear gloves when removing it Be careful as the steel plate is sharp and may cut you 3 Remove the clamp by rotating Use a vice plier Be careful when removing the clamp as the connection is easily damaged 4 Release the hose from Assy Sump carefully and remove it entirely Disassembly and Reassembly _ 21 ...

Page 24: ...in hose connections Remove the upper lower baskets in the dishwasher Pull out the dishwasher carefully Remove the water supply line elbow 1 Lay the dishwasher down on its back 2 Remove the Adjusting Leg by rotating counter clock wise with a needle nose pliers Preparation Make sure to disconnect the power water supply 22 _ Disassembly and Reassembly ...

Page 25: ... nine screws outside and pull out the Junction Box B and PBA cover Preparation 3 Remove the two screws of Junction Box A then pull out the Rubber Ring and the Junction Box B Make sure to wear gloves when removing it Be careful as the steel plate is sharp and may cutyou 4 The guide wire is attached to the Lower Front Crosspiece with hooks Use a pair of needle nose pliers or flat screwdriver to remo...

Page 26: ... to hold it tightly The clamp is under tension and if released it can become a projectile Caution There will be a residual amount of water in the valve and valve hose Use a towel to absorb the water when removing the valve Thermistor Preparation 2 Release the two 2 screws of Thermistor 3 Pull carefully The Thermistor has a seal Disassemble the Cover base Refer the Cover base disassembly section 1 ...

Page 27: ...will spill on to the floor The Pump drain has a seal 2 Disconnect the two 2 Pump drain connectors Sensor Turbidity Preparation Disassemble the cover base Refer the Cover base disassembly section 1 Remove the sensor turbidity connector 2 Remove the two hooks from the sensor turbidity Caution Use a flat screwdriver carefully to remove it from the Assy sump preventing breakage The sensor turbidity ha...

Page 28: ... remove it from the sump Caution Make sure to remove remain water in the dishwasher If not water will spill on to the foor 4 Grab the base and pull out the motor Reassembly is in the reverse order of the removal Disassemble the cover base Refer the Cover base disassembly section 1 Disconnect the five 5 connectors from the Motor 26 _ Disassembly and Reassembly ...

Page 29: ...in the reverse order of the removal Disassemble the Cover base Refer the Cover base disassembly section 1 Remove the two 2 screws from the Base 2 Lift up the Thermostat wire connector 3 Pull out carefully Preparation it Disassembly and Reassembly _ 27 ...

Page 30: ...nd draining is performed for 120 seconds without retry All driving parts except for the drain part are turnedoff and draining isperformed for 120 seconds without retry All driving parts except for the drain part are turned off and draining is performed for 120 seconds without retry All driving parts except for the drain part are turned off and draining is performed for 120 seconds without retry Wh...

Page 31: ...ed cycle All driving parts except for the drain part are turned off and draining is performed for 120 seconds without retry All driving parts except for the drain part are turned off and draining is performed for 120 seconds without retry The main PBA or sub PBA is out of order The communications connection for the main PBA or sub PBA is not properly connected The touch button is out of order An o...

Page 32: ...Resolution by symptom When water supply is not working 30 _ Troubleshooting ...

Page 33: ...Resolution by symptom When heater is not working Troubleshooting_31 ...

Page 34: ... main board code Auto Normal Express LED will be on and Heavy LED will be off The other 1s for displaying main code version Auto Normal LED will be off Express Heavy LED will be on During this time if the door is opened The main board code and main code version will alternate display in 1Hz 5 Auto Mode STEP 01 check water inlet valve fan 1 Turn on the fan and turn off it after 10 seconds 2 Turn on...

Page 35: ...h pump for 10 seconds then turn off it 2 Turn on dispenser for 45 seconds then turn off it 8 Auto Mode STEP 04 stop 30 seconds 9 Auto Mode STEP 05 check drain 1 Turn on the drain for 30 seconds then turn off it 10 Auto Mode STEP 06 Test ove and check sub PBA version 1 Beep one sound and all load turn off 2 The sub board code and sun code version will alternate display in 1Hz Note sub board code Au...

Page 36: ...ews and nuts are fastened correctly Check whether they are fastened with the specified torque 5 Remove foreign material Check whether any foreign material such as soil wire scraps and screws are in the dishwasher Check whether any foreign material is entering through the sump into the disposer 6 Check for water leakage Check whether there is water leakage from the hose connector door case sump dra...

Page 37: ...ater When you select any options the cycle time can be changed Cycle Pre wash1 Pre wash2 Main wash Rinse1 Rinse2 Last Rinse Sanitize Dry Water gal l CycleTime min Auto 110 135 Normal 3 6 11 4 22 5 105 140 108 118 F 42 48 C 122 136 F 50 58 C 156 69 F C Heavy 6 22 5 118 48 F C 136 58 F C 156 69 F C Express 4 104 40 F C 122 50 F C Basic Optional step 15 1 60 118 135 F 48 57 C 122 136 F 50 58 C Time w...

Page 38: ...Normal Replace the Main PBA assy D12 Reconnect the Thermistor connector Check the connections for the Thermistor connector Reconnect the Thermistor connector 60 60 Check whether the Thermistor is operating normally Measure the voltage between both ends of the Thermistor Normal 0 2 to 4 5V Measure the resistance between both ends of the thermistor Remove the connector before measuring See the Table...

Page 39: ...the Main PBA power part Measure the voltage between the of CN01 Normal AC 120V Faulty Check and replace the wires of the power part Check voltage 4 Check the DC voltage of the Main PBA See Main PBA DC voltage Check Main PBA DC Voltage Check None Check the DC voltage of the Main PBA Measure the voltage between pin 1 PINK and pin 3 BLUE of the main PBA CN6 connector Normal Door Close 0V Normal Door ...

Page 40: ... the Circulation Motor The Cycle does not start None Normal SHORT when the door is closed No Washing None 1 Check whether the nozzle injects water normally See The nozzle does not inject water Faulty Replace the Circulation Motor Normal Approx 26 0 Ω Check the operation of the Door Sensing Switch Remove the connector before measuring Check the switch terminal both ends Normal OPEN when the door is...

Page 41: ...ispenser Check whether there is detergent in the Dispenser 2 Check the connections for the Dispenser connector Reconnect the Dispenser connector 3 Check the resistance of the Dispenser Measure the resistance between pin 1 pink and pin 2 gray of the main PBA CN6 connector Remove the connector before measuring Normal Approx 16 Faulty Replace the Dispenser Ω ...

Page 42: ...ter pressure should be between 20 and 120 psi 140 830 kPa There are food particles remaining on dishes Not cleaning properly The water is too hard Use a commercial dishwasher cleaner Use high quality fresh detergent with rinse aid Dishwasher detergent was not used Detergent remains in the dispenser Make sure large items such as cookie sheets cutting boards or contaners etc are not blocking the det...

Page 43: ...ater dripping from the upper rack onto the dishes in the lower rack Has a bad odor Water was left over from an incomplete cycle Insert detergent without loading dishes and run the Normal cycle to clean the dishwasher The Drain Hose is obstructed Contact a qualified service technician to remove any obstruction from the drain hose The dishwasher is not used daily or soiled dishes are left in unit to...

Page 44: ...tate After placing the dishes into the racks rotate the nozzles by hand to check whether any of the dishes interfere with them Water won t pump out of the dishwasher The drain is clogged Contact a qualified service technician to remove any obstruction from the drain hose and check the drain pump operation Has a bent upper rack after loading dishes The dishes are not loaded properly Load your dishe...

Page 45: ...hing motor 3 P01 Connector for heater 4 P02 Connector for heater 5 CN6 Connector for door switch dispenser 6 CN5 Connector for door switch water valve 7 CN2 Connector for sub PCBA 8 CN3 Sensing connector refer to next page for details 9 CN4 Sensing connector refer to next page for details 10 CN10 Connector for program 11 CN9 Connector for DC fan 12 RY1 Relay for drain motor 13 RY2 Relay for washin...

Page 46: ...in motor 2 Washing motor 3 NC 4 NC 5 NC CN9 1 DC FAN 2 GND 3 12V CN6 1 DOOR 2 Water valve 3 12V CN5 1 DOOR 2 Dispenser CN2 1 5V 2 GND 3 RX 4 TX 5 NC CN2 1 5V 2 GND 3 NC 4 NO Water sensor 5 NC CN4 1 5V 2 GND 3 Leakage sensor 4 High Water lever sensor 5 NC 6 NC 7 Water thermistor 1 1 1 1 1 1 1 PCB Diagram _ 44 ...

Page 47: ...Wiring Diagram _45 6 Wiring Diagram 6 1 WIRING DIAGRAM This Document can not be used without Samsung s authorization ...

Page 48: ... H 2014 J 2015 K 2016 M 2017 0 2 0 0 Basic 1 Exclusive S U S STSS B Black W White V Sliver A ALF G Black Caviar U Built Under B Fully Built In S Semi Built In F Free Standing C Counter top 80 80 Tall 24 Tall 60 Standard 24 50 Slim 18 30 Counter Top 9 Super Premium 8 Premium 7 Superior 6 Best 5 Better 4 Best 18 only 3 Good 2 Value 9 Chef collection 5 Linear 0 Rotary N 2018 1 Entry ...

Page 49: ...supplies detergent and rinse aids to the inside of the dishwasher when they are needed 6 Tub Assy An internal case made of stainless steel that makes up the basic framework of the dishwasher 7 Sump Assy The place inside the dishwasher where water is collected The injected water gathers here after circulation The sump Assy is connected to the circulation motor drain pump and distributor motor 8 Tub...

Page 50: ... Eurpoe CIS Mideast africa gspn1 samsungcsportal com Asia gspn2 samsungcsportal com North Latin America gspn3 samsungcsportal com China china samsungportal com This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law ...

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