Samsung WF316B XAA Series Troubleshooting Manual

Door Lock Check Test 1 Test 2Connector CN10 Pin 7 (Sky Blue) and CN5 Pin 3(Blue)When Door is Locked or Unlockedthere is a pulse of 120VAC for a fewmilliseconds.With Power Off, the resistancebetween these pins will be between56 - 62ΩDoor Unlock Check Test 1 Test 2Connector CN10 Pin 8 (White) and CN5 Pin 3(Blue)When Door is Locked or Unlockedthere is a pulse of 120VAC for a fewmilliseconds.With Power Off, the resistancebetween these pins will bebetween 56 - 62ΩDrain Motor Check Test 1 Test 2Connector CN10 Pin 6 (Black) and CN5 Pin 3(Blue)120VAC with the pump On and 0VACwith the pump offPower Off, the resistance should be13.9ΩWater Valve Check Test 1 Test 2Connector CN5 Pin 3 (Blue) to CN10 Pin 4 (Pink),Pin 3 (Yellow), Pin 2 (Red) , Pin 1 (Blue)120VAC with the Valve On and 0VACwith the Valve offPower Off, resistance at valve isfrom 1202Ω - 1245ΩHeater Relay Check Test 1 Test 2Connector CN5 Pin 3 (Blue) and RY9 (heater re-lay) Pin 1 (Red)120VAC with the Heater On and 0VACwith the Heater offPower Off, heater resistance is16.6 ΩError Type Error Mode DetailsLED LCDWater Level Sensor LE8Check the Hose where the sensor is connected, may be loose,pinched, damaged or clogged. Also check the sensor it may bedisconnected or defective. The Main PCB may also be defectiveMotor Drive Error orHall Sensor error3ECheck the motor drive connector, it may be loose. The hall sensormay be disconnected, loose or damaged . Check for a foreign ob-ject inside the motor or motor damage. The stator might be looseor damaged. The drum might be overloaded from too manyclothes or the relay or PCB might be defective.E3bE25Water SupplyErrornF3Check the water valve wiring harness.Check whether the water supply valve is clogged with foreign ma-terial and whether water is supplied properly.Check for reversed fill hosesCheck water temperature, if sensed as higher than 50 ˚C in theWool or Lingerie cycle it will create error.Check the relays, if they operate correctly replace the Main PCB.Fill Hoses Reversed nF1 Correct Hot/Cold hose connectionsSystem Error SF1SF2SF3Replace PCB

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