Repair Riot

Dishwasher Won't Complete Cycle

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Quick answer

Check for error codes, clear drain clogs, and ensure the water supply is on. If the drain pump or float switch is faulty, replace the part. Reset the dishwasher after fixes.

Confirm the symptom

Tools and prep

Step-by-step troubleshooting

  1. Check for Error Codes
    Do: Look at the control panel for error codes or blinking lights.
    Observe: Note any codes or patterns.
    Means: Identifies specific issues like drain problems or sensor faults.
    Next: Consult manual for code meaning
  2. Clear Drain Clog
    Do: Remove and clean the drain filter. Check the drain hose for kinks or blockages.
    Observe: Water drains freely after clearing.
    Means: Clogged drains prevent cycle completion.
    Next: Run a test cycle
  3. Inspect Float Switch
    Do: Lift the float switch to see if it moves freely. Check for debris or damage.
    Observe: Float moves up and down without sticking.
    Means: A stuck float can halt the cycle to prevent overflow.
    Next: Clean or replace if faulty
  4. Test Water Inlet Valve
    Do: Check the water supply valve is fully open. Test for water flow at the inlet valve.
    Observe: Water flows steadily into the valve.
    Means: Low water pressure or closed valve stops the cycle.
    Next: Open valve fully or replace if clogged
  5. Check Drain Pump
    Do: Listen for the drain pump running during the cycle. Feel for vibrations.
    Observe: Pump operates without unusual noise.
    Means: A failed pump prevents proper drainage.
    Next: Replace drain pump if faulty
  6. Reset Dishwasher
    Do: Turn power off at the circuit breaker for 1 minute, then restore power.
    Observe: Control panel resets and cycle restarts.
    Means: Resets minor electronic glitches.
    Next: Run a test cycle

Common causes

CauseLikelihoodDifficultyPart often needed
Clogged Drain Filter
Prevents water from draining, stopping the cycle.
CommonEasyDrain filter (replaceable)
Faulty Float Switch
Stuck or broken float can trigger an overflow shutdown.
SometimesEasy–MediumFloat switch assembly
Blocked Drain Hose
Food debris or kinks block water flow.
CommonEasyDrain hose (replaceable)
Failed Drain Pump
Pump motor or impeller failure stops drainage.
SometimesMediumDrain pump assembly
Low Water Pressure
Insufficient water flow halts the wash cycle.
SometimesEasyWater inlet valve
Faulty Water Inlet Valve
Valve not opening allows cycle to stall.
RareMediumWater inlet valve
Control Board Malfunction
Electronics fail to advance the cycle.
RareHardControl board

Parts matching

Common parts for this issue include:

Purchase OEM parts for compatibility and reliability.

When to call a professional

FAQ

How do I reset my dishwasher after a power outage?

Turn off power at the circuit breaker for 1 minute, then restore power. Run a test cycle.

Can a clogged filter really stop the cycle?

Yes, a clogged drain filter prevents proper drainage, which stops the cycle to avoid flooding.

What if the float switch is stuck?

Clean debris around it or replace the float switch assembly if it doesn't move freely.

Why is water not entering the dishwasher?

Check the water supply valve is fully open and the inlet filter is not clogged.

How do I know if the drain pump is bad?

Listen for it during the drain cycle. If it's silent or makes grinding noises, replace the pump.