Samsung DW80R9 Series Service Manual
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Samsung DW80R9 Series Service Manual

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SERVICE
DISHWASHER
DISHWASHER
Model Name : DW80R9*** Series
Model Code : DW80R9950UG/AA
DW80R9950US/AA
DW80R9950UG/AC
DW80R9950US/AC
Manual
1. Safety Instructions
2.
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Reference
CONTENTS

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Summary of Contents for Samsung DW80R9 Series

  • Page 1 DISHWASHER Model Name : DW80R9*** Series Model Code : DW80R9950UG/AA DW80R9950US/AA DW80R9950UG/AC DW80R9950US/AC SERVICE Manual DISHWASHER CONTENTS 1. Safety Instructions 3. Disassembly and Reassembly 4. Troubleshooting 5. PCB Diagram 6. Wiring Diagram 7. Reference...

  • Page 2: Table Of Contents

    CONTENTS 1. Safety Instructions ..............1 1-1.

  • Page 3: Safety Instructions

    1. SAFETY INSTRUCTIONS 1-1. SAFETY INSTRUCTIONS FOR SERVICE ENGINEERS Make sure to observe the following instructions to operate the product correctly and safely and prevent possible accidents and hazards while servicing. Two types of safety symbols, Warning and Caution, are used in the safety instructions. Warning Hazards or unsafe practices that may result in severe personal injury or death.
  • Page 4 While Servicing Completely remove any dust or foreign material from the housing, wiring and connection parts. When connecting wires, make sure to connect them using the correct connectors and check that they are completely connected. Make sure to disconnect the PBA power terminals before starting the service. - Failing to do so may result in a high voltage electric shock.
  • Page 5 Caution Before Servicing Do not sprinkle water onto the dishwasher directly when cleaning it. Do not place any containers with water on the dishwasher. This will also shorten the product life. Do not press a control button using a sharp tool or object. - This may result in electric shock or damage to the product.
  • Page 6 After Servicing Check the assembled status of the parts. - They must be the same as before servicing. the counter. - Vibrations can shorten the life of the product. 4 _ Safety Instructions...

  • Page 7: Features

    2. FEATURES AND SPECIFICATIONS 2-1. FEATURES Features Remarks New Waterwall cleaning system gets dishes sparkling everytime • High pressure, consistent wall of water cleans hard to reach places Waterwall linear wash system • No need to pre-rinse • Available on full or half cycle Target zone washing •...
  • Page 8 2-2. SPECIFICATIONS Wash capacity 15 place settings Type Dishwasher Power Single-phased alternating current of 60Hz, 15A at 120V Used water pressure 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...
  • Page 9 2-3. COMPARING SPECIFICATIONS WITH EXISTING MODELS NEW MODEL MODEL DW80M9960 DW80H9930US Black Silver Silver Silver Silver Silver Silver/Black/White Touch Touch Touch Touch Touch Touch Touch Wine Rack Handle Type Tilted Tilted Pocket Basket Handle Gray + STS Gray + STS Blue + STS Gray AutoRelease system...
  • Page 10 2-4. OPTIONS SPECIFICATIONS Item Remarks Provided ASSY PACKING PARTS DD90-00001T with the dishwasher 90 FITTING (3/4”) WATER SUPPLY LINE (Flexible STS supply line is recommend) AIR GAP Sold separately RUBBER CONNECTOR HOSE CLAMP STRAIN RELIEF...

  • Page 11: Disassembly And Reassembly

    3. DISASSEMBLY AND REASSEMBLY 3-1. TOOLS FOR REMOVAL AND REASSEMBLY Tool image Tool Type Remarks Adjustable Wrench Open-end Wrench 1-7/16” Vice pliers Others Common tools for servicing (screwdriver, nipper, long nose pliers) Nut Driver Heater bracket Nut * Preparation for parts replacement (Drain the water by operating the drain pump) You must turn off the circuit breaker connected to the product.
  • Page 12 3-2. PREPARATION FOR PARTS REPLACEMENT Warning checks, or replacing any parts. Caution Before moving the unit, laying it down for service, or removing any parts for service be sure to drain as much of the water completed, be sure all safety grounding circuits are complete, all electrical connections are secure, and all access panels are in place.
  • Page 13 3-4. REMOVING THE 3 RACK Hold down the holder rails on both sides to release the upper rack. Slide the upper rack out to the end of one holder rail, and then lift it up. Repeat the steps above with the other holder rail. Step 1.
  • Page 14 Part Figure Description Preparation: • Make sure to disconnect the power. 1. Find Main PBA case below the door. 3. Remove the cover from the Main PBA. Main PBA 4. Remove the two screws from the top left and right of the main PBA. Carefully angle the screwdriver to depress the locking tabs that secure the Main PBA to the housing and gently pull the Main PBA...
  • Page 15 Part Figure Description Preparation: • Make sure to disconnect the power. • Remove the lower basket in the dishwasher. • Cover the Assy sump with a towel to prevent losing screws. 1. Open the door completely to prevent losing screws. Before removing the parts, place a cushioned scratched.
  • Page 16 Part Figure Description Preparation: • Disassemble the Assy door outer. Separate wire connectors in red square. 1. Remove the screws from Door Handle. Panel control and Handle door 4. Remove the LED Display Hook. hook. Bending this hook than remove WIFI module.
  • Page 17 Part Figure Description Preparation: • Disassemble the door outer. - Refer to the “door outer” disassembly section to separate the door outer. Caution Be careful not to break them during disassembly. Dispenser - the tabs. slide 3. Push it to the inside carefully. Be careful as the tub front is sharp.
  • Page 18 Part Figure Description up to the assy-tub. 3. Separate two wire connector. Lever door Assy cover door switch 4. If you want to separate the Lever door from Assy condenser Assy tub, remove the screw labelled ① in the picture to the left. If you want to separate Assy auto door switch from Assy tub, remove the screws labelled ②...
  • Page 19 Part Figure Description 1. Drain Hose 3. Water Inlet Assy Case Brake Preparation: • Make sure to disconnect the power, water supply, and drain hose connections. • Remove the upper, lower baskets and 3rd rack in the dishwasher. • Pull out the dishwasher carefully. Caution Make sure to wear gloves when removing it.
  • Page 20 Part Figure Description 4. Separate connection parts in red circle from tub and pull out the Case brake by lifting up the hook in red square. Assy Case Brake 4. Loosen the three (3) clamps and release the three (3) hoses from the Assy case brake. Caution Water remaining in the Assy case sensor and Assy case break will come out.
  • Page 21 Part Figure Description Preparation: • Disassemble the Assy Case Brake. • Refer to "Assy Case Brake Disassemble. Water valve Disassembly and Reassembly _ 19...
  • Page 22 Part Figure Description Preparation: • Make sure to disconnect the power, water supply, and drain hose connection and remove the water in each nozzle. • Remove the upper, lower baskets and 3rd rack in the dish washer. Assy duct main •...
  • Page 23 Part Figure Description Preparation: • Disasssemble the Assy rail. - Refer to the “Assy rail” disassembly section to separate Assy rail. 1. Separate 3 screw shown with red arrow. Assy guide picture and be careful of the hook on the back side water of the Cover nozzle.
  • Page 24 Part Figure Description 1. Un-fasten screws of plate back, and remove plate back. 3. Un-fasten screws on housing. Assy cover nozzle damage. 22 _ Disassembly and Reassembly...
  • Page 25 Part Figure Description 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 to separate Assy guide water/ assy holder motor / bracket lower-right. - Disassemble the Cover nozzle by pushing it down.
  • Page 26 Part Figure Description Preparation: • Disasssemble the Assy rail. - Refer to the “Assy rail” disassembly section to separate Assy rail. Motor AC drive 1. Remove one (1) screw. Preparation: • Disassemble the Motor AC drive. - Refer to the “Motor AC drive” disassembly section to separate Motor AC drive.
  • Page 27 Part Figure Description Preparation: • Remove the lower basket in the dishwasher. • Make sure to remove the water in each nozzle. Upper nozzle / Lower nozzle (counterclockwise) from upper basket. (counterclockwise) Preparation: • Disassemble the Assy Case Brake. - Refer to the “Assy Case Brake” disassembly section to separate Assy case brake until step 4.
  • Page 28 Part Figure Description Preparation: • Make sure to disconnect the power, water supply, and drain hose connections. • 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.
  • Page 29 Part Figure Description Preparation: - Refer to the “Assy Case Brake” disassembly 1. Remove the door spring from the Assy-base by using a needle nose pliers. Remove spring carefully so that you are not injured from the spring etc door. Door Spring Remove the rope that is connected to the door from the spring.
  • Page 30 Part Figure Description Preparation: • Make sure to disconnect the power, water supply, and drain hose connections. dishwasher. on its back. • Remove the Assy cover base. - Refer to the “Assy cover base” disassembly 1. Remove the screw which is holding the case gear to the base.
  • Page 31 Part Figure Description Preparation : • Make sure to disconnect the power, water supply. • dishwasher. • Pull out the dishwasher then lay the dishwasher down on its back. ① • Remove the Assy cover base. - Refer to the “Assy cover base” disassembly Thermistor •...
  • Page 32 Part Figure Description Preparation : • Make sure to disconnect the power, water supply. • dishwasher. • Pull out the dishwasher then lay the dishwasher down on its back. • Remove the Housing left. - Refer to the “Assy Case Brake” disassembly •...
  • Page 33 Part Figure Description Preparation: • Remove the Assy cover base. - Refer to the “Assy cover base” disassembly • Remove the Plate back. - Refer to the “Assy motor holder” disassembly 1. Disconnect the Circulation pump connectors. Heater wire wire) the two tabs.
  • Page 34 Part Figure Description Preparation: • Disassemble the housing L/R and assy-case brake. - Refer to each disassembly section. sides. (in Red circle) Assy Base 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. 6.
  • Page 35 Part Figure Description Preparation: • Remove the Assy cover base. - Refer to the “Assy cover base” disassembly 1. Disconnect the wire connector. red arrow. 4. Pull the Drain pump to the direction of yellow arrow. 1. Push in a long screw driver through a hole for service on frame front.
  • Page 36 Part Figure Description Preparation : • 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 Motor geared (Vane motor) 1.
  • Page 37 Part Figure Description Preparation: - Refer to the “Assy cover base” disassembly section Remove the case gear. - Refer to the “Case gear etc” disassembly section to separate Assy cover base until step 3. Remove the Circulation pump. - Refer to the “Circulation pump” disassembly section to separate Assy cover base until step 7.
  • Page 38 2. Use authentic Samsung replacement parts only If any part is not authentic, replace it with an authentic Samsung replacement part. 3. Handling wires Check if any wires are loose or too tight, if they are connected correctly, if they are well bound with tape, and if they are properly clamped.

  • Page 39: Troubleshooting

    4. TROUBLESHOOTING 4-1. PREPARATION 4-1-1. Check Code Check Check code code When occur Symptom Possible Causes Display Recall Conditions for error to occur: Condition 1) Condition 1) If the number of water supply pulses increases to fewer than 10 within Water supply valve OFF.
  • Page 40 Check Check code code When occur Symptom Possible Causes Display Recall - The start temperature is saved 30 seconds after heating starts. Thereafter, if the temperature change is equal to or less than 4 - The heater is out of order. - Keep going remained cycle with heater off for 10 minutes, the heater relay is turned off for 1 second and then display...
  • Page 41 Check Check code code When occur Symptom Possible Causes Display Recall 3times ‘3min drain’ retry, and display “OC” (No operating condition, display “OC” without retry) seconds. - The valve water is out of order. - During retry 3times, display ‘pause’ - The touch button is out of order.
  • Page 42 Check Check code code When occur Symptom Possible Causes Display Recall Case1) When the reset position sensing for 10 seconds, vane motor going remained cycle. 1 sec Off and re-operation. - Motor gear is out of order. - If while Distribute motor driving, detect the Vane Case2) - Sensor vane is out of order.
  • Page 43 Resolution by symptom Water is not in Tub. (terminal connection, Foreign substance in Filter) Water faucet is OK. Water inlet hose is OK. (Filter, Aqua-stop) The water pressure is OK. Troubleshooting_41...
  • Page 44 Resolution by symptom occur Heater is OK. Fixing or Replace Water level in Tub is OK. installation condition. the Heater assembly. In Heater operation step, If pressure switch detect low level water, safety Fixing or Replace At this time, heater is not operated. Thermistor is OK.
  • Page 45 4-2. SERVICE INSPECTION MODE Related Item Symptoms Description Parts Enable Smart Install Mode Disable Smart Install Mode - There are Auto Mode and Manual Mode. When Smart Install Mode is enabled, it is set to Auto Mode by default. - Mode change KEY : Changing modes can be done by entering the Auto Key while on standby or when the operation of each Smart Install Mode (Circulation)) change can be performed.
  • Page 46 Related Item Symptoms Description Parts 1) Supply 4.5L of water. Water supply error : detected in the same way as normal water supply error but if water is not fully supplied for a maximum of 5 minutes, the water supply inspection code is activated. alternation.
  • Page 47 Related Item Symptoms Description Parts 1) Operate Auto Door Open Actuator. - If the Door does not open within 3 minutes after the Auto Door Open Actuator is run, it will Retry once (10 seconds Off, 3 minutes On). 2) If the door open is detected after Auto Door Open, operate for additional 30 seconds from the time the door opens and complete the Auto Mode Auto Door Open step.
  • Page 48 Related Item Symptoms Description Parts enabled.) - Set the alternation to the default position. - Operate the heater after operating the circulation pump for 10 seconds. - Turn the heater off when the max. temperature reaches 73 degrees or the max. operation time passes 10 minutes. - During operation, the display alternates between the temperature of the heater and the current Step No.
  • Page 49 Related Item Symptoms Description Parts n1: Version Display - Delicate Course Key: Model Option Display - Rinse Key: WiFi Module Version Display (Only for WiFi models; before receiving the version data, display “---“; display version if version information is received) - Each time Normal (Europe: Eco) Key is pressed, the code on display changes in a loop starting from the last saved code : - Up to 7 inspection codes can be saved, any additional code overwrites the oldest code.
  • Page 50 Related Item Symptoms Description Parts n5: Setting Dry About This Option Increase Option by This option is designed to increase the drying performance by default in case there are consumer complaints. Default option is set to On by default. 48 _ Troubleshooting...
  • Page 51 4-3. CHECK CODE TROUBLE SHOOTING Check type Check code Checking method Corrective actions 1. Check whether the faucet is open. - Open the faucet. 2. Check whether the water supply has been cut off. - After wait until the water supply resumes and turn off the power. - After the water supply resumes, turn on the power.
  • Page 52 Check type Check code Checking method Corrective actions 1. Check whether there is any foreign material in the Drain Hose and Drain (Remove the connector before measuring.) Drain check code Key input check bE-2 (bC-2) code bE-3 (bC-3) 1. Check whether there is any foreign material in the Circulation Hose and Circulation (Remove the connector before measuring.) Pump...
  • Page 53 Check type Check code Checking method Corrective actions 1. Check the connections of the Heater connectors. - Reconnect the Heater connectors. 2. Check the resistance between both ends of the Heater. or check the resistance between the red wire of the Heater Relay and Heater Check - Reconnect the Heater Relay connectors.
  • Page 54 Check type Check code Checking method Corrective actions connectors. Switch connectors. positions. brown wire and the Violet wire. Half load check witc * Do not supply with water and test. 4. Adjust Cam Assy and Find the faulty. 5. Check whether half load is operating normally. - Check the half load operation connector.
  • Page 55 Check type Check code Checking method Corrective actions 3. Check the position sensing operations when moving the Sensor vane on Motor vane check Troubleshooting_53...
  • Page 56 Check type Check code Checking method Corrective actions Thermistor check 61.477 21.347 14.573 12.136 connector. Main-Sub PBA Communication check 54 _ Troubleshooting...
  • Page 57 Check type Check code Checking method Corrective actions 1. Check the connections for the power plug. - Reconnect the power plug. 2. Check the voltage of the power outlet. No Power check None 1. Check the connections for the Display LED connector part. - Reconnect the connectors for Display LED.
  • Page 58 Check type Check code Checking method Corrective actions 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. (Remove the connector before measuring.) Detergent 4.
  • Page 59 Check type Check code Checking method Corrective actions Caution 2. Check the door switch. r Relay and the Heater Relay use a 12V line. Power Relay None operate. check code hen the door is open or before the cycle starts. Caution Troubleshooting_57...

  • Page 60: Pcb Diagram

    5. PCB DIAGRAM 5-1. MAIN PCB CN101 CN901 CN902 CN903 CN904 CN202 CN201 CN301 CN802 CN501 CN503 CN801 CN401 58 _ PCB Diagram...
  • Page 61 CN503 5-2. PCB DIAGRAM CN501 CN802 CN801 CN301 CN101 CN901 CN902 CN903 CN201 CN401 PCB Diagram _ 59...

  • Page 62: Wiring Diagram

    6. WIRING DIAGRAM 6-1. WIRING DIAGRAM Reference Information Abbreviated Meaning word GRAY ORANGE PINK YELLOW BROWN BLACK 60 _ Wiring Diagram...
  • Page 63 DC POWER (12V, 5V) Wiring Diagram _ 61...

  • Page 64: Reference

    7. REFERENCE 7-1. MODEL NUMBER NAMING RULES B : 2009 9 : Premium 9 : Luxury S : STSS DW : Dishwasher C : 2010 7 : Best 7 : Chef or Plus B : Black machine D : 2011 5 : Better 6 : Premium Plus W : White...
  • Page 65 7-2. TERMINOLOGY Circulation Motor the internal water passages to the top, middle and lower nozzles. Drain Pump The pump that drains the polluted water from the dishwasher generated while the dishwasher is running. Heater The heater is located on the water passages inside the dishwasher. Vent Fan Drains high temperature moisture out of the dishwasher during the drying cycle (drying the dishes).

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