Understanding Your Whirlpool Dishwasher Error Codes

Solutions:

• Inspect the wire connections for any signs of damage, frayed insulation, or moisture on the control board.
• Replace any damaged wires or connectors.
• Address any leaks found on the control board.
  • Clean the control board using a suitable cleaner, such as PCB cleaner.
• If the issue persists, consider replacing the main board.

Solutions:

• Replace the main board.

Solutions:

• Inspect the buttons and plastic buttons for any mechanical obstructions and replace them if necessary.
• Open the console panel and check for any issues with the buttons.
• Check the micro-switches on the user interface and look for any that might be stuck.
• Inspect the wire connector between the user interface and control board for any issues.
• Clean the user interface using a suitable cleaner, such as a PCB cleaner.
• Replace any stuck buttons.
• Inspect and replace any damaged wires.
• If the issue still occurs, consider replacing the user interface.
• If the issue persists, consider replacing the main board.

Solutions:

• Verify that the connector is securely in place and is clean.
• Inspect and replace any damaged wires.
• Check the resistance of the NTC/OWI thermistor and ensure it falls within the specified range.

• If the issue persists, consider replacing the main circuit board.

Solutions:

• Check the OWI sensor for any signs of dirt, grime, or limescale buildup.
• Clean the OWI sensor and instruct the customer on proper maintenance.
• Inspect the connection between the OWI sensor and the control board.
• Inspect and replace any damaged wires.
• If the issue still occurs, consider replacing the OWI sensor.
• If the problem persists, consider replacing the main board.

Solutions:

• Inspect the connection between the wash motor and control board for any issues with cables or connectors.
• Look for any signs of short circuits or other defects in the connectors and windings that may cause control board failure.
• Inspect the power and communication cables of the variable speed motor (VSM) board and replace any damaged wires.
• Clean the holes in the spray arms and check the fine filter.
• Check the resistance of the wash motor using a multimeter.

• If the problem persists, consider replacing the main circuit board.

Solutions:

• Inspect the door lock visually and manually for any failures or damages.
• Ensure that the door is closed, and attempt to start a cycle.
• Unplug the door switch connector from the control board and measure the resistance between the door switch connectors using a multimeter; it should read 0Ω with the door closed.
  • If not, check wires, connectors, or harnesses as necessary.
• If the issue still occurs, replace the door switch.
• If the issue persists, replace the main board.

Solutions:

• Verify that the water tap is open, the inlet hose filter is not clogged, and the water pressure is not too low.
• Inspect the connections between the water inlet valve and the control board and make sure they are secure.
• Test the resistance at the valve connector by unplugging the valve from the harness.

• Check the placement of the drain hose to ensure it is at the correct height and not causing siphoning.
• Check the main board and replace it if necessary.

Solutions:

• Inspect the dispenser for any issues, such as a missing dispenser gasket or improper detergent.
• Check the foam level in the appliance. Ask the customer what detergent they used.
  • Unsuitable detergent or a spilled or wrongly adjusted rinse aid
• Verify that the spray arms are clear of blockages and check for any holes that may be blocked.
• Inspect the OWI and check if it is soiled, dirty, or covered by calcium or any other deposits.

Solutions:

• Check if there is any water in the drip tray, and if so, locate the source of the leak and remove the water.
• Inspect the float switch for any mechanical blockages, such as dirt, screws, wires, or a bent drip tray, and remove the blockage.
• Disconnect the float switch connector from the control board and test the microswitch for any shorts.
• Check the microswitch wire harness connection.
• Replace the float sensor if it is found to be faulty.
• Check and replace the main board if necessary.

Solutions:

• Close the water tap, reset the appliance, turn off the appliance, and then re-open the tap.
  • Check if water is flowing into the appliance. If it is, replace the inlet valve.
• Turn the appliance back on (without starting a cycle) and ensure that no cycle is running.
  • Check if water is flowing into the appliance. If it is, replace the main board.

Solutions:

• Inspecting the connection between the flow meter and control board for proper functioning.
• Verifying that the flow meter turbine is spinning during the water inlet cycle
  • If not, replace the turbine.
• Confirming that the flow meter is receiving the correct voltage of +5 Vdc
  • Replace the main board if it is not
• Utilizing a magnet to test the flow meter’s functionality.
• Check and replace the main board if necessary.

Solutions:

• Inspect the connections between the regeneration valve and the control board and make sure they are secure.
• Test the resistance at the valve connector by unplugging the valve from the harness.

• Check the main board and replace it if necessary.

Solutions:

• Inspect the heater wire harness for any damage or connections that may have become loose
• Disconnect the connector from the control board and check the resistance of the heater.

• Disconnect the connector from the control board and measure the resistance between the heater coil and the dishwasher’s metal body. It should read as open (OL). If not, it could indicate that the heater is grounded and may have caused damage to the control board.
• Check the resistance of the NTC/OWI and ensure it falls within the expected range.

• Inspect and replace the main board if necessary.

Solutions:

• Verify if F6E5 error is stored in memory. If yes, proceed to troubleshoot the F6E5 failure.
• Check if the drain or spray pump housings are blocked by any foreign objects.
• Ensure that the drain hose is placed correctly (at the proper height, no siphoning and no blockages)
  • Clean and unblock the siphon outlet, and check for a dummy cap at the customer’s siphon connection; if present, remove it.
• Check the foam level in the appliance and ask the customer what type of detergent was used, as washing tabs combined with short washing cycles can produce high foam levels.
• Inspect the drain pump wire harness.
• Measure the resistance of the drain pump motor.

• Check connections between OWI and the control board. Inspect if the turbidity sensor, “OWI”, is dirty or covered by calcium or any other deposition; clean the OWI if necessary.
• Clean the holes in the spray arms. Check the fine filter.
• Check and replace the main board if necessary.

Solutions:

• Check for any issues in the wiring and fix or replace them as necessary.
• Measure the resistance of the micromotor diverter valve coil.

• Inspect the diverter for any visible water damage on the housing or feedback connector area.
• Measure the resistance of the diverter feedback circuit, check if it changes from an open to a short circuit, and fix any connection issues.
• Measure the voltage on the feedback wire and ensure that it’s receiving +5VDC; if not, replace the main board.
• Check for leaks in the diverter and replace the seal if necessary.
• Check and replace the main board if required.

Solutions:

• Check the connection between the dispenser and the control board.
• Measure the resistance of the dispenser using an ohmmeter.

• Replace the main board if necessary.

Solutions:

• Check the cables and connectors for the wax motor.
• Unplug the wax motor from the harness and measure its resistance.

• Replace the main board if necessary.

Solutions:

• Check the fan’s cables and connectors.
• Unplug the fan from the harness and measure its resistance.

• Replace the main board if necessary.

Solutions:

• Verify the float switch wire connections.
• Test the float microswitch with a multimeter.
• If water is present in the dip tray,
  • Locate and replace any damaged components causing the leak.
• If the issue persists, inspect and replace the main board as necessary.

Solutions:

• Ensure the water supply is open and the pressure is within the proper range.
• Inspect and clean the water valve hose and filter screen.
• Clean the optical water indicator (OWI).
• Check the harness connections.
• Measure the inlet valve resistance using a multimeter.

• If a problem persists, inspect the main board for defects.

Solutions:

• Inspect and properly position the hose.
• Clean the filter on the drain pump.
• Clean up the OWI.
• Inspect the wiring and connections of the drain pump.
• Test the drain pump’s resistance with an ohmmeter.

• If the issue persists, check the main circuit board.

Solutions:

• Verify the incoming water temperature.
• If the ambient temperature is below -2°C, add 250 mL of warm water to the dishwasher before turning it on.
• Inspect the thermistor wiring and connectors.
• Measure the thermistor resistance using an ohmmeter.

• If the issue persists, check the main board.

Solutions:

• Inspect the pressure switch tube and hose.
• Empty the air trap and replace it if necessary.
• Check the pressure switch wire harness.
• Check and replace the pressure switch if necessary.
• Check and replace the main board if necessary.

Solutions:

• Open the tap and check the water pressure.
• Inspect the water valve hose and clean the filter screen.
• Clean up the OWI.
• Check the harness connection.
• Measure the inlet valve resistance using a multimeter.

Solutions:

• Open the tap.
• Inspect the water valve hose and clean the filter screen.
• Clean the OWI.
• Check the harness connection.
• Check the flowmeter.

Solutions:

• Check the foam level in the appliance and inquire about the detergent used (was the foam level too high?)
  • Unsuitable detergent or a spilled or wrongly adjusted rinse aid
• Remove and clean limescale from the heating element.
• Measure the thermistor resistance using a multimeter.
• Measure the heater assembly using an ohmmeter.

• Check and replace the main board if necessary.

Solutions:

• Replace the main board.

Solutions:

• Check if the heating element cables are not connected.
• Measure the heater assembly using an ohmmeter.

• Check and replace the main board if necessary.

Solutions:

• Inspect the wash pump wiring and connectors.
• Measure the wash pump resistance using a multimeter.

• Check and replace the main board if necessary.

Solutions:

• Check the connection between the main board and the user interface board.
• Check and replace the user interface board if necessary.
• Check and replace the main board if necessary.

Solutions:

• Replace the main board.

Solutions:

• Check the water pressure.
• Check and replace, if necessary:
  • The wash pump, drain pump, or main board