Manual for DW80M9*** Series

Manual for DW80M9*** Series

Brand: SAMSUNG

Category: Dishwasher

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 7:32 p.m.

Manual Publish Date: 2018-01-01

Warranty Information

This manual does not contain specific warranty information.

  • Safety Instructions: Emphasizes disconnecting power before servicing, avoiding flammable substances near the dishwasher, and checking for water leakage after servicing. Advises against users performing their own repairs.
  • Features: Highlights include a Waterwall linear wash system, targeted zone washing, half load cycles, a third rack with flex tray, adjustable racking, speed boost, and a digital leakage sensor.
  • Specifications: Covers wash capacity (15 place settings), power requirements (120V, 15A), water pressure, wash and dry types, power usage, standard water usage, and dimensions.
  • Disassembly and Reassembly: Provides step-by-step instructions with illustrations for removing various components such as the upper rack, Main PBA, door outer, panel control, dispenser, and other internal parts. Includes preparation steps like draining water and disconnecting power.
  • Troubleshooting: Details diagnostic procedures for common issues like "Half load check," "Motor vane check," "Thermistor check," "Main-Sub PBA Communication check," "No Power check," "Display check," "Dry check," "Detergent is not dispensed," "No washing," "The cycle does not start," and "Power Relay check code." Includes checking methods and corrective actions.
  • PCB Diagram: Visual representation of the Main PCB with numbered components and a corresponding table detailing their location and description.
  • Wiring Diagram: Illustrates the electrical connections of the dishwasher, including color codes for wires and connector details.
  • Reference: Explains the model number naming rules and provides a glossary of technical terms used in the manual.

Troubleshooting and error codes

Check type Check code Checking method Corrective actions
Half load check PC 1. Check the connections for the Distributor Motor and Micro Switch connectors.
2. Check whether the coil in Distributor Motor is conductive.
: Remove the connectors before measuring.
Normal: Approx. 3.6 ~ 4.0KΩ
3. Check the position sensing operations when turning the Micro Switch on and off. (Use n5 Service test mode.) Check the conduction between the brown wire and the 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.
4. Adjust Cam Assy and Find the faulty.
5. Check whether half load is operating normally.
Check the half load operation
Normal: 110~120V
- Check the operation of Distributor Motor Relay.
: Check the operating voltage between the 3pin(Brown) wire of the Main PBA CN401 connector and the 1pin(White) wire of the Main PBA CN101 connector.
Normal: 110~120V (while operating)		 - Reconnect the Distributor Motor and Micro Switch connectors.
- Faulty: Replace the Distributor Motor.
- Faulty: Replace the Micro Switch for sensing positions.
- Normal: Replace the valve distributor and CAM switch.
- Faulty: Replace Cam Assy.
- Faulty: Replace the Main PBA Assy.
Motor vane check 7C 1. Check the connections for the Motor vane and Sensor vane connectors.
2. Check whether the coil in Motor vane is conductive.
Check the resistance between the Red and Black wire(CCW)
Check the resistance between the White and Black wire(CW).
: Remove the connectors before measuring.
Normal: Approx. 1.625 ~ 1.796KΩ
3. Check the position sensing operations when moving the Sensor vane on and off. (Use n5 Service test mode.) Check the conduction between the Brown wire and the Black wire.
► Sensor On: 0V
► Sensor Off: 5V
4. Adjust Motion Assy and Find the faulty.
5. Check whether Motor vane is operating normally.
Check the Motor vane operation
Normal: 110~120V
Check the operation of Motor vane Relay.
CCW: Check the operating voltage between the 8pin (Red) wire of the Main PBA CN401 connector and the White wire of the Main PBA CN101 connector
CW: Check the operating voltage between the 7pin(White) wire of the Main PBA CN401 connector and the White wire of the Main PBA CN101 connector.
Normal: 110~120V (while operating)
6. Check the Power Relay.		 - Reconnect the Distributor Motor and Micro Switch connectors.
- Faulty: Replace the Motor vane.
- Faulty: Replace the Sensor vane for sensing positions.
- Normal: Replace the Motor vane and Sensor vane.
- Faulty: Replace Motion Assy.
- Faulty: Replace the Main PBA Assy.
Thermistor check tC 1. Check the connections for 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.)
Temp(°C) Resistance(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
- Reconnect the Thermistor connector.
- Faulty: Replace the Thermistor.
Normal: Replace the Main PBA Assy.
Main-Sub PBA Communication check AC 1. Check the connections between MAIN PBA CN802 connector and Display Control Module CN101 connector.
2. That check code is produced continuously after method 1 confirmation.
3. That check code is produced continuously after method 2 confirmation.
4. That check code is produced continuously after method 2 confirmation.		 - Reconnect the MAIN PBA CN802 connector and SUB PBA CN101 connector.
- Replace: Sub-Wire
- Replace: Sub-PBA
- Replace: Main-PBA
No Power check None 1. Check the connections for the power plug.
2. Check the voltage of the power outlet.
Normal: 120V
3. Check Power Key on state.
4. Check the connections for the Sub PBA and Touch PBA connector parts.
5. Check the connection of the Main PBA connector CN101
6. Check the connections for the Sub PBA and Main PBA connector parts.
7. Check whether there is condensation on the PBA.
- CN103 of Display Control Module connector.
- CN100 TOUCH Module connector.
Normal: No condensation
8. Check the DC voltage of the Main PBA.
9. In case of is No Power after Method 1~10 action
10. In case of is No Power after Method 1~11 action		 - Reconnect the power plug.
- Connect to a 120V power source.
- Try to touch the Power key.
- Reconnect the Sub PBA and Touch PBA connectors.
- Reconnect CN101
- Reconnect the Sub PBA and Main PBA connectors.
- Faulty: Remove any condensation and moisture.
Normal: Replace the Control Panel Assy.
- See "Main PBA DC voltage check code".
- Replace the Control Panel Assy. (Sub, Touch, wire)
- Replace the Main PBA.
Display check None 1. Check the connections for the Display LED connector part.
2. Check the Display LED.		 Reconnect the connectors for Display LED.
- Faulty: Replace the Display LED and Sub PBA.
Dry check None 1. Check the wire connections for the Fan Motor.
2. Check the resistance of the Fan Motor coil.
(Remove the connector before measuring.)
Normal: Approx. 1500
3. Check the resistance of the Thermal Actuator.
(Remove the connector before measuring .)
Normal: Approx. 1.45KΩ		 - Reconnect the Fan Motor connectors.
- Faulty: Replace the Fan Motor Assy.
- Faulty: Replace the Thermal Actuator.
Detergent is not dispensed None 1. Check whether detergent is inserted into the dispenser.
2. Check the connections for the Dispenser connector.
3. Check the resistance of the Dispenser.
(Remove the connector before measuring.)
Normal: Approx. 0.7 ~ 3KΩ
4. Check the operation of the Dispenser Relay
: Check the operating voltage between the Black wire of the CN401 connector and the White wire of the CN101 connector.
Normal: 110V ~ 120V (while operating)		 - Check whether there is detergent in the Dispenser.
- Reconnect the Dispenser connector.
- Faulty: Replace the Dispenser.
- Faulty: Replace the Main PBA Assy.
No washing None 1. Check the filter
2. Check Rotors and ducts and vane
3. Check the operation of the half load.
4. Check the operation of the Dispenser		 - Faulty: Replace filter
- Faulty: Replace Rotors and ducts
- See "PC check code".
- 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)
► Normal: < 1V (when the door is closed)
2. Check the connection for the Door Sensing Switch.
3. Check the operation of the Door Sensing Switch.
(Remove the connector before measuring.)
: Check the blue wire and the switch connected to the blue wire.
► Normal: SHORT(when the door is open)
► Normal: OPEN (when the door is closed)
4. Check the operation of the Power Relay.		 - Reconnect the Door Sensing Switch Connector
- Reconnect the Door Sensing Switch Connector
- Faulty: Replace the Door Sensing Switch.
- Normal: Replace the Main PBA Assy.
Power Relay check code None 1. Check the connections for the Power Relay connector
: Start the cycle by pressing the Power key. when measure the operating voltage between the wires of the Power Relay and pin 1 wires of the CN101.
▲ Caution
Check the pin of the wires of the Power Relay and the Heater Relay.
► Normal: 110V ~ 120V
2. Check the door switch.
: Check the white wire and the switch connected to the white wire.
When the door is open: The Door Switch is OFF.
When the door is closed: The 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.
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 started by closing the door and pressing the Power key. " . Normal: 10.5 to 13 V
4. Check the operation of the Power Relay.
: Start the cycle by pressing the Power Key.
Measure the operation voltage between the terminal of the Power Relay (pin 3) and pin 1 of CN101.
▲ Caution
Check pin the Power Relay and pin 1 of CN101
► Normal: 110V ~ 120V		 - Reconnect the Power Relay.
- Faulty: Replace the Door Switch.
Faulty: Replace the main PBA Assy.
- Faulty: Replace the main PBA Assy.
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