Samsung DW80M9* Series Service Manual Download

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50 _ Troubleshooting

Check type

Check code

Checking method

Corrective actions

Thermistor

check

1. Check the connections for the Thermistor connector

- Reconnect the Thermistor connector.

2. Check whether the Thermistor is operating normally.

- Measure the voltage between both ends of the Thermistor.

► Normal: 0.05 to 4.95V

- Measure the resistance between both ends of the Thermistor.

: Remove the connector before measuring. (See the Table right.)

Thermistor table

Temp(

℃

)

Resistance(kΩ)

125.814

98.36

77.48

61.477

49.12

39.51

31.985

26.053

21.347

17.59

14.573

12.136

10.157

8.541

- Faulty: Replace the Thermistor.

- Normal: Replace the Main PBA Assy.

Main-Sub PBA

Communication

check

1. Check the connections between MAIN PBA CN802 connector and

Display Control Module CN101 connector.

- Reconnect the MAIN PBA CN802 connector and SUB PBA CN101

connector.

2. That check code is produced continuously after method 1 confirmation.

- Replace: Sub-Wire

3. That check code is produced continuously after method 2 confirmation.

- Replace: Sub-PBA

4. That check code is produced continuously after method 2 confirmation.

- Replace: Main-PBA

Summary of Contents for DW80M9* Series

Page 1: ...ode DW80M9960US AA DW80M9550US AA DW80M9960UG AA DW80M9550UG AA DW80M9960US AC DW80M9960UG AC DW80M9550US AC DW80M9990US AA DW80M9990UM AA 1 Safety Instructions 2 Features and Specifications 3 Disassembly and Reassembly 4 Troubleshooting 5 PCB Diagram 6 Wiring Diagram 7 Reference ...

Page 2: ...bly and Reassembly 9 3 1 Tools for Removal and Reassembly 9 3 2 Preparation for parts replacement 10 3 3 Removing The Upper Rack 10 3 4 Checkpoints after Finishing Service 33 4 Troubleshooting 34 4 1 Preparation 34 4 2 Service Inspection Mode 39 4 3 Check code trouble shooting 45 5 PCB Diagram 54 5 1 Main PCB 54 5 2 PCB Diagram 55 6 Wiring Diagram 56 6 1 WIRING DIAGRAM 56 7 Reference 58 7 1 Model ...

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: ...ape is used instead of the connectors it may cause fire due to arcing ࣃ ࣃ Make sure to disconnect the PBA power terminals before starting the service Failing to do so may result in a high voltage electric shock After Servicing ࣃ ࣃ Check for any water leakage Perform a test using the standard normal cycle and check whether there is any water leakage through the floor section or the pipes ࣃ ࣃ Do not...

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 secured 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: ...until you have a full load Choose either upper or lower rack Saves on energy Third rack with flex tray Removable roll up silverware tray for easy unloading Silverware lays flat for better cleaning Perfect for oversized or hard to fit items Easily roll up and remove for easy unloading Adjustable racking system Flexible design for more space Frees up more space on the top rack for tall and oversized...

Page 8: ...essure 20 120 psi 140 830 kPa Wash type Waterwall Linear Wash Rotating nozzle spray Dry type Air diffusion condensing dry system Power usage Main Pump 96w Waterwall operating Heater 1100w Standard amount of used water 6 34 2 85 gallon 24 10 8 ℓ Normal Cycle Size W D H 23 x 25 x 33 inch 605 x 636 x 860 mm Accessory parts User Installation manual Installation Kit Kick Plate ...

Page 9: ...or O O O O O O O Rail Type C Rail C Rail C Rail Soft Rail C Rail C Rail C Rail Programs 7 Auto Normal Heavy Delicate Express60 Rinse only Self Clean 7 Auto Normal Heavy Delicate Express60 Rinse only Self Clean 6 Auto Normal Heavy Delicate Express60 Self Clean Chef 5 Auto Normal Heavy Delicate Express60 5 Auto Normal Heavy Delicate Express60 6 Normal Heavy Delicate Pot Pans Quick Smart Auto 4 Norma...

Page 10: ...IFICATIONS Photo Item Code QTY Remarks ASSY PACKING PARTS DD98 01019A 1 Provided with the dishwasher 90 FITTING 3 4 1 Sold separately WATER SUPPLY LINE Flexible STS supply line is recommend 1 AIR GAP 1 RUBBER CONNECTOR 1 HOSE CLAMP 1 STRAIN RELIEF 1 ...

Page 11: ...out the 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 serv...

Page 12: ...s 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 connections are secure and all access panels are in place Before servicing make...

Page 13: ...Remove the all wire connectors from Main PBA DW80M9960US UG 8 wire connectors DW80M9550US UG 7 wire connectors 5 Remove the two screws from the top left and right of the main PBA 6 Carefully put a screw driver in the gap Carefully angle the screwdriver to depress the locking tabs that secure the Main PBA to the housing and gently pull the Main PBA from the housing When removing the Main PBA lift t...

Page 14: ... one 4 pieces which holding the door outer and control panel in place After removing screws make sure to hold the door outer using your hand This will prevent the door from closing suddenly and harming you Caution Do not place the removed screws on the door inner They may fall into the sump assy 3 Pull out the door outer carefully 4 Separate wire connectors indicated by the red arrows in the pictu...

Page 15: ...ontrol Preparation Disassemble the Assy door outer 1 Remove the two 2 screws from Assy Door outer 2 Remove Sub PCB from panel control There is two hooks 3 Remove the Buzzer 4 WIFI Module is fixed to the panel control with hook Bend this hook than remove WIFI module ...

Page 16: ...embly 2 The dispenser slide is fixed to the door inner with several tabs Use a flat tip screwdriver to gently pry the tabs 3 Push it to the inside carefully Be careful as the tub front is sharp Assy Module Pocket Light Module Preparation Disassemble the Panel control Refer to the Panel control disassembly section to separate Panel control until step 1 1 Remove Two 2 Screws which pointed by red arr...

Page 17: ... 2 1 2 3 4 If you want to separate the Lever door from Assy tub remove the screw labelled in the picture to the left If you want to separate Assy auto door switch from Assy tub remove the screws labelled on the picture to the left If you want to separate Assy condenser from Assy tub remove the screws labelled in the picture on the left Assycondenser Assyauto doorswitch Leverdoor 5 Refer to the pic...

Page 18: ...16 _ Disassembly and Reassembly Part Figure Description Assy Lamp LED for DW80M9990 Series 1 Remove Holder tub light by rotating counterclockwise 2 Pull the Assy lamp LED to inside of tub ...

Page 19: ...t the dishwasher carefully 1 Remove the two 2 screws of the Housing Left 2 Remove the housing left and make sure not to damage the hooks on the bottom outlined in the blue box in the picture on the left Caution Make sure to wear gloves when removing it Be careful as the steel plate is sharp and may cut you 3 Remove cover brake by rotating counterclockwise Use a jig If you do not have a jig you can...

Page 20: ...emaining in the Assy case sensor and Assy case break will come out Lay a towel on the floor to absorb any water that may come out When reassembling the holder of the clamp must be pointing toward the inside of the dishwasher Assy guide water sub Clamp Preparation Disassemble the Assy Case Brake Refer to the Assy Case Brake disassembly section to separate Assy case brake until step 4 1 Separate the...

Page 21: ...Disassembly and Reassembly _ 19 Part Figure Description Water valve 1 Disassemble two fixed screw 2 Pull out the Water valve ...

Page 22: ...fer to the arrows in the picture on the left 2 Separate the duct while making sure not to damage the connection point marked in the red circle Assy Rail Preparation Disasssemble the Assy duct main Refer to the Assy duct main disassembly section to separate Assy duct main 1 Remove the cover distributor like the picture to the left Check and separate the hook on both sides of the front part of Cover...

Page 23: ...fully like the picture and be careful of the hook on the back side of the Cover nozzle Caution Be careful not to lose the gear There are two gears in total Gear Upper Small attached with Housing Gear Lower Big inside the cover nozzle Be careful not to break the Hook on rear Assy motor holder 1 Remove two 2 screw then open the plate back 3 2 1 3 Insert needle nose pliers into the gap and press the ...

Page 24: ...separate Assy motor holder until step 2 1 Turn The Bracket lower right in the direction of Yellow arrow in state that the Hook is not hanged in Cover nozzle by pushing the hook in the direction of the Red arrow Assy Cover nozzle Preparation Disassemble the assy guide water assy holder motor bracket lower right Refer to the Assy guide water Assy holder motor bracket lower right disassembly sections...

Page 25: ...r counterclockwise 2 Middle Nozzle Remove it by rotating the holder from upper basket counterclockwise Hose drain Clip ring Preparation Disassemble the Assy Case Brake Refer to the Assy Case Brake disassembly section to separate Assy case brake until step 4 1 Disassemble Clip ring 2 Disassemble hose drain from Assy case brake 3 Disassemble Holder Hose by press two 2 hooks to the direction of red a...

Page 26: ...onnections Remove the upper lower and 3rd baskets in the dishwasher Pull out the dishwasher carefully 1 Lay the dishwasher down on its back Release the one 1 screw securing the base and cover base in place 2 Pull out the cover base and release the leakage sensor connector 3 Remove the leakage sensor from the shutter by unfastening the one 1 screw ...

Page 27: ...ase Brake disassembly section to separate housing left right until step 2 1 Remove the spring etc door front the assy base by using a needle nose pliers Use a tool such as a needle nose pliers Remove it carefully so that you are not injured from the spring etc door 2 Remove the bracket spring and holder rope door from the spring door ...

Page 28: ...ull out the dishwasher lay the dishwasher down on its back Remove the Assy cover base Refer to the Assy cover base disassembly section to separate Assy cover base until step 2 1 Remove the screw which is holding the case gear to the base 2 By disconnecting the hook in red box using the flat screw driver Remove the Case gear 3 By disconnecting the hook in red box using the flat screw driver Disasse...

Page 29: ... dishwasher down on its back Remove the Assy cover base Refer to the Assy cover base disassembly section to separate Assy cover base until step 2 Remove Assy cover PCB Refer to the Main PBA disassembly section to separate Assy cover PCB until step 2 1 Remove the two 2 screw using screw driver which has long tip through the hole on frame front 2 Disconnect the wire Terminal connected to the thermis...

Page 30: ...brake until step 2 Remove the Assy cover base Refer to the Assy cover base disassembly section to separate Assy cover base until step 2 1 Locate the Turbidity sensor through the Dish washer s leftside Disconnect the wire terminal in red box 2 Gently pry up the tabs on th turbidity sensor with a flat screw driver from the bottom Caution Carefully use a flat tip screwdriver to pry the tabs on the se...

Page 31: ...r wire ground wire motor wire 2 Release Damper BLDC from Base by Disconnecting the two tabs Caution Remove all water from the sump assembly before removing the pump Failure to do so will cause the water to be released onto the floor Make sure to use a towel to cover the PBA Case Electric parts to prevent water damage to these parts 3 Remove the Clamp in red box then disassemble the Hose from Sump ...

Page 32: ...the two 2 screws on the plate base both sides in Red circle 2 Carefully lay the dishwasher down on its back 3 Remove the cover assy cover pcb and assy cover pcb inverter and disconnect the wire connectors 4 Disconnect the wire connectors from Assy Sump 5 Pull out the plate base slightly 6 Remove other parts as needed to remove the base Ex Frame front Cover harness etc ...

Page 33: ...paration Remove the case gear Refer to the Case gear etc disassembly section to separate Assy cover base until step 3 Remove the Assy cover base Refer to the Assy cover base disassembly section to separate Assy cover base until step 2 1 Remove one screws through the window of Assy cover base 2 Remove one screws through the hole of base which was under the cover gear 3 Disconnect the wire connector...

Page 34: ...ulation pump Refer to the Circulation pump disassembly section to separate Assy cover base until step 7 Remove the Drain pump Refer to the Drain pump disassembly section to separate Assy cover base until step 4 1 Release Clamp Caution Remove all water from the sump assembly before removing the pump Failure to do so will cause the water to be released onto the floor Make sure to use a towel to cove...

Page 35: ...he screws 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 su...

Page 36: ...tect the pulse No display The drain is clogged 5C In case of drainage cloging Keep going remained cycle A foreign object has entered the drain pump and the pump is stuck The drain pump is out of order The Main PBA is out of order The Inverter PBA is out of order 5C 5C1 5C6 Drain pump check code occurred 11 times 5minutes pause and retry when pause condition is occurred 3times The driving parts sto...

Page 37: ... communications between the main PBA and the sub PBA fails for 24 seconds In Test Mode communication fails for 6 seconds Keep going remained cycle The main PBA or sub PBA is out of order The communications connection for the main PBA or sub PBA is not properly connected No display change to pause AC6 When the response is not received from inverter PBA for 3 seconds Inverter RELAY OFF for 2 minutes...

Page 38: ...ater sensing this check code is ignored The driving part stops Retry until 2nd time and 3rd display check code A foreign object has entered the Circulation pump and the pump is stuck The Circulation pump is out of order The Main PBA is out of order The Inverter PBA is out of order No display 4C5 When the number of detected water supply pulses are 200 at the Non water supply mode Repeats water valv...

Page 39: ... working normally terminal connection Foreign substance in Filter Water faucet is OK Drain pump working normally Flow meter working normally Water inlet hose is OK Filter Aqua stop Pressure switch is working normally The water pressure is OK Main PBA is defective Please replace it 4E 4C occur in water filling period Y Y Y Y Y Y Y Y Y ...

Page 40: ...ctive Please replace it Fixing or Replace the Heater assembly Fixing or Replace the Thermistor Check the drain hose installation condition In Heater operation step If pressure switch detect low level water safety program is working At this time heater is not operated So water temp is not increased Then HE error is occurred HE HC occur Y N N N Y Y ...

Page 41: ... During Auto Mode the current Step No blinks as an indication Auto Mode Configuration Closing the Door within 3 7 seconds after entering the Start Key will automatically run Step 1 through to Step 6 dC1 will occur if Door Open information is detected only in Inverter Micom If the Door opens during operation it will stop and the Door Open check code dC dC1 will be displayed However this does not ap...

Page 42: ...or models with a Vane move the Vane back and forth once when operating the bottom For Vane operation alternations detect the Vane reset position and then operate the relevant alternation while moving it back and forth once 3 Operate the Dispenser Actuator for 130 seconds 4 STEP3 Operate the heater 10 seconds after operating 5 If after 1 Cycle is run for each alternating position and the temperatur...

Page 43: ... mode operations if the relevant Step number blinks and the relevant Step operation has been completed the Display will indicate the relevant Step number Once this Manual Mode step is complete the Step No stays turned on in the display If the Door opens during operation it will stop and the Door Open check code dC dC1 will be displayed However Auto Door Open Mode is an exception The operation is r...

Page 44: ...TEP 1 first Only 3 blinks during STEP 1 operation no display of temperature STEP 1 is not recognized as having been performed if STEP 1 is re operated STEP 6 has been performed or Auto Mode has been enabled 4 Manual Mode STEP 4 operate the dispenser Operate the dispenser for 130 seconds 5 Manual Mode STEP 5 operate the fan 1 Operate the Fan Motor and Dry Actuator for 30 seconds Only for models wit...

Page 45: ...er Inspection Mode Inspection Recall Mode 1 Each time Heavy Key is pressed while inspection code is on display the information about the condition which triggers the inspection code displays in sequence ex When C00 displays it changes as follows C00 C01 C02 C03 C04 C05 C06 When C10 displays it changes as follows C10 C11 C12 C13 C14 C15 C10 CX1 X indicates the order of inspection code on display C0...

Page 46: ...ption to On by default About This Option This option is designed to increase the drying performance by default in case there are consumer complaints If Dry Sanitize option can be set to On by default it powers on and sets the Dry Sanitize option to On by default If the course does not support Dry Sanitize option setting it is not set to On by default Even if the course is completed without using D...

Page 47: ...onductive Remove the connector before measuring Normal Approx 990Ω 10 890Ω 1089Ω Faulty Replace the Water Valve 6 Check whether the water supply stops after water is supplied for 20 seconds Faulty Replace the Water Valve and Assy guide water sub 7 Check whether the water supply stops after water is supplied for 60minutes Check the water supply pressure 0 5bar Faulty Replace the Water Valve and Ass...

Page 48: ...er there is condensation on the PBA CN103 of Display Control Module connector CON100 TOUCH Module connector Normal No condensation Faulty Remove any condensation and moisture Normal Replace the Control Panel Assy Display Control Module Touch Module Sub Wire Circulation Pump Check 3C 1 Check whether there is any foreign material in the Circulation Hose and Circulation Pump Remove the foreign materi...

Page 49: ...12 14 14 16Ω Check after disconnect circuit brake or power cable Faulty Replace the Heater 3 Check the connections of the Heater Relay in Main PBA Check the voltage between the Red wire of the Heater Relay on the base and the White wire of the CN101 connector Normal 110 120V while operating Reconnect the Heater Relay connectors Heater Overheat Check HC 1 Check the operation of the Thermistor 2 Che...

Page 50: ...Violet wire Micro switch On Short Micro switch Off Open Micro Switch sign alters in ON OFF state It is NG if keep in ON or OFF state for 120 seconds Do not supply with water and test Faulty Replace the Micro Switch for sensing positions Normal Replace the valve distributor and CAM switch 4 Adjust Cam Assy and Find the faulty Faulty Replace Cam Assy 5 Check whether half load is operating normally C...

Page 51: ...Check the conduction between the Brown wire and the Black wire Sensor On 0V Sensor Off 5V Faulty Replace the Sensor vane for sensing positions Normal Replace the Motor vane and Sensor vane 4 Adjust Motion Assy and Find the faulty Faulty Replace Motion Assy 5 Check whether Motor vane is operating normally Check the Motor vane operation Normal 110 120V Check the operation of Motor vane Relay CCW Che...

Page 52: ...e kΩ 5 125 814 10 98 36 15 77 48 20 61 477 25 49 12 30 39 51 35 31 985 40 26 053 45 21 347 50 17 59 55 14 573 60 12 136 65 10 157 70 8 541 Faulty Replace the Thermistor Normal Replace the Main PBAAssy Main Sub PBA Communication check AC 1 Check the connections between MAIN PBA CN802 connector and Display Control Module CN101 connector Reconnect the MAIN PBA CN802 connector and SUB PBA CN101 connec...

Page 53: ...onnector Normal No condensation Faulty Remove any condensation and moisture Normal Replace the Control Panel Assy 8 Check the DC voltage of the Main PBA See Main PBA DC voltage check code 9 In case of is No Power after Method 1 10 action Replace the Control Panel Assy Sub Touch wire 10 In case of is No Power after Method 1 11 action Replace the Main PBA Display check None 1 Check the connections f...

Page 54: ... Replace filter 2 Check Rotors and ducts and vane Faulty Replace Rotors and ducts 3 Check the operation of the half load See PC check code 4 Check the operation of the Dispenser See Dispenser is not dispensed The cycle does not start None 1 Check the connections for the Door Sensing Switch Check the white wire and the switch connected to the white wire Normal 10 5 to 13V when the door is open Norm...

Page 55: ...Door Switch is ON The Power Relay and the Heater Relay use a 12V line If the switch is out of order the Power Relay and the Heater Relay will not operate Faulty Replace the Door Switch 3 Check the driving signals for the power relay Measure the voltage between pin 7 and pin 2 of the CN402 connector on the main PBA When the door is open or before the cycle starts Normal 1 V After the cycle has star...

Page 56: ...for details 11 CN503 Sensing Connector refer to next page for details 12 CN801 Connector for WIFI Communication 13 CN401 Connector for Relay Auto Door AC Drain Pump Distributor Motor Dispenser Dry Actuator Water Valve Vane Motor Water Softer AC Dry Fan Motor 14 RY701 Source Relay No Location Description 15 RY401 Auto Door Relay 16 RY403 AC Drain Pump Relay 17 RY404 Distributor Motor Relay 18 RY405...

Page 57: ...6 INDOOR LED 7 12V 8 SNS 5V 9 SALT SHORTAGE SENSOR 10 GND 11 FLOWMETER SENSOR 12 GND 13 SNS 5V CN401 1 AUTO DOOR 2 DRAIN PUMP 3 DISTRIBUTOR MOTOR 4 DISPENSER 5 DRYACTUATOR 6 WATER VALVE OUT 7 LOWER VANE FORWARD 8 LOWER VANE BACKWARD 9 WATER SOFTNER 10 DRY FAN MOTORAC CN801 1 WIFI RX 2 WIFI TX 3 WIFI POWER CONTROL 4 GND 5 12V CN902 1 DRAIN MOTOR U 2 NC 3 DRAIN MOTOR V 4 NC 5 DRAIN MOTOR W CN903 1 5...

Page 58: ...2 1 2 DISPENSER RINSE SENSOR BLK 5P CN301 CN901 CN902 WHT 3P WHT 5P BLU 5P BRN BLK WHT WHT BLK BRN WHT BLK BRN WHT F O G F F U V U V W U V W U V W M M M 4 3 4 3 2 1 2 1 2 1 2 1 2 1 3 2 1 3 2 1 1 2 3 1 2 3 7 8 9 3 2 6 10 5 4 1 RED WHT BRN BLK VIO BLU NTR 10P CN401 M MOTOR GEARED M DISTRIBUTER MOTOR DISPENSER THERMAL ACTUATOR 1 2 TCO TCO HEATER PUMP EMI FILTER 3 4 2 1 2 1 1 2 RY402 1 2 2 1 2 1 EARTH...

Page 59: ...Wiring Diagram _ 57 CN801 CN503 CN501 CN802 CN301 ...

Page 60: ...B B 2009 C 2010 D 2011 E 2012 F 2013 H 2014 J 2015 K 2016 M 2017 N 2018 0 0 Basic 1 Exclusive 9 9 9 9 Premium 7 Best 5 Better 3 Good 2 Value 1 Entry 9 Luxury 7 Chef or Plus 6 Premium Plus 5 Best Premium 3 Better 2 Good 9 Chef Collection 5 Linear 0 Rotary S S STSS B Black W White V Silver A ALF G Black Caviar 80 80 Tall 24 Tall 60 Standard 24 50 Slim 18 30 Counter Top ...

Page 61: ...ergent and rinse aids to the inside of the dishwasher when they are needed 8 Tub Assy An internal case made of stainless steel that makes up the basic framework of the dishwasher 9 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 10 Tub Front Assy...

Page 62: ... 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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