Troubleshooting Your Dishwasher: Diagnosing Common Problems

The dishwasher is a well-known appliance that is now part of the standard kitchen setup.
However, a common issue with dishwashers is that they don’t work properly.
Some users have reported that their dishwasher won’t start, while others have stated that their dishwasher won’t drain.
If you have a problem with your dishwasher, here are some potential troubleshooting tips for you.

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    Check your dishwasher control

    1. Check if all your dishwasher controls are working.
      Check if all your dishwasher controls are working.
    2. Check the water inlet and outlet hoses
    3. Check the inlet and outlet valves
    4. Inspect the drain pump
    5. Inspect the drain screen
      Inspect the drain screen
    6. Inspect the drain pump filter
    7. Inspect the drain pump basket
    8. Inspect the drain hose and pipes
    9. Inspect the drain screen
      Inspect the drain screen
    10. Inspect the drain pump motor
    11. Test the drain pump motor
    12. Inspect the drain pump impeller
    13. Inspect and test the drain pump drain screen
      Inspect and test the drain pump drain screen
    14. Inspect the drain pump check valve
    15. Inspect the drain pump drain screen
    16. Inspect the drain pump discharge check valve
    17. Inspect the drain pump check valves
      Inspect the drain pump check valves
    18. Inspect the drain pump timer
    19. Inspect the drain pump motor check valve
    20. Inspect the drain pump motor check valves
    21. Inspect the drain pump motor timer
      Inspect the drain pump motor timer
    22. Inspect the drain pump motor on/off switch
    23. Inspect the drain pump motor on/off switch lock
    24. Inspect the drain pump motor on/off switch solenoid
    25. Inspect the drain pump motor on/off switch wiring
      Inspect the drain pump motor on/off switch wiring
    26. Inspect the drain pump motor timer
      Inspect the drain pump motor timer
    27. Inspect the drain pump motor timer solenoid
    28. Inspect the drain pump motor timer wiring
    29. Inspect the drain pump motor on/off switch wiring
      Inspect the drain pump motor on/off switch wiring
    30. Inspect the drain pump motor on/off switch solenoid
    31. Inspect the drain pump motor on/off switch contacts
    32. Inspect the drain pump motor on/off switch contacts wire insulation
    33. Inspect the drain pump motor on/off switch contacts wire insulation continuity
      Inspect the drain pump motor on/off switch contacts wire insulation continuity
    34. Inspect the drain pump motor on/off switch contacts wire insulation resistance
    35. Inspect the drain pump motor on/off switch contacts wire insulation resistance continuity
    36. Inspect the drain pump motor on/off switch contacts wire insulation resistance continuity

    Check the water inlets and outlets

    1. The water inlets and outlets are connected properly and tightly.
      The water inlets and outlets are connected properly and tightly.
    2. Dirty filter
      The filter must be cleared of all the debris and grime.
    3. Check the drain hose
      The drain hose must be clamped tightly and the hose must be long enough.

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  • Check the drain hose

    1. If the dishwasher is leaking water, it may be because the drain hose is blocked. Remove all dishes from the dishwasher and check to see if the water drains properly. If not, remove the drain hose from the sink and clean it.
      If the dishwasher is leaking water, it may be because the drain hose is blocked. Remove all dishes from the dishwasher and check to see if the water drains properly. If not, remove the drain hose from the sink and clean it.
    2. Check the drain hose for blockages or clogs
    3. If the dishwasher is leaking water at the bottom, check to see if the water is leaking from the drain hose.
    4. Make sure the drain hose is properly connected
    5. If the dishwasher is leaking water at the sides, check to see if there is any clogging in the drain hose.
      If the dishwasher is leaking water at the sides, check to see if there is any clogging in the drain hose.
    6. Check for clogged drain hose
    7. If the dishwasher is leaking water at the top, check the seal around the door of the dishwasher.

    Perform a Quick Check

    1. Remove the dishes and run the dishwasher through its cold wash cycle.
    2. Empty the dishwasher after each cycle.
      Empty the dishwasher after each cycle.
    3. Clean the filters.
    4. Check the drain hose for clogs, and check the entire drain system for any obstructions.
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    Check the power

    1. Locate the circuit breaker for the dishwasher. The circuit breaker should usually be located either under the sink or in the electrical panel.
      Locate the circuit breaker for the dishwasher. The circuit breaker should usually be located either under the sink or in the electrical panel.
    2. Flip the circuit breaker to the off position.
    3. Wait for 10 seconds and flip the circuit breaker back on.
    4. Test the dishwasher again.
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