Kitchenaid Dishwasher Error 6-4

⚡ Quick Answer: The KitchenAid dishwasher error 6-4 indicates a malfunction related to the float switch or a water circulation issue. Symptoms include the dishwasher ... ✅ DIY Fixable

What Does Error 6-4 Mean?

The KitchenAid dishwasher error 6-4 indicates a malfunction related to the float switch or a water circulation issue. Symptoms include the dishwasher filling and draining without spraying water through the spray arms, resulting in cycle stalls. Additionally, an overfill condition may occur, leading to water accumulation beneath the unit. Addressing the float switch activation or fault is essential for resolving this issue.

Common Symptoms:

  • Dishwasher fills and drains but does not spray water through the spray arms before cycle completion. %2BKitchenAid%2BDishwasher%2Bcode?utm_source=chatgpt.com))
  • Error 6‑4 code displayed and the wash cycle stalls without water circulation. %2BKitchenAid%2BDishwasher%2Bcode?utm_source=chatgpt.com))
  • Possible overfill condition with water accumulation beneath the unit.

Possible Causes

  • Float switch activation or fault (medium)

How to Fix Error 6-4

DIY Fix Check for float obstruction and proper float movement

  1. Turn off and unplug the dishwasher.
  2. Access the float assembly inside the dishwasher bottom.
  3. Ensure nothing is obstructing the float’s movement.
  4. Gently move the float up and down to confirm free motion.

DIY Fix Inspect under-unit for water accumulation

  1. Power off the dishwasher at the breaker.
  2. Pull the dishwasher out from under the counter carefully.
  3. Check for any water pooled underneath.
  4. Dry any water found and inspect for leaks in hoses or fittings.

Technician Only Test float switch and circulation pump

  1. Disconnect power and remove access panels.
  2. Use a multimeter to check float switch continuity.
  3. Test circulation pump electrical function according to service manual specifications.
  4. Replace faulty float switch or circulation pump as needed.

Parts needed: Float switch, Circulation pump

🛑 When to Call a Pro:
  • If water is detected under the unit and you cannot identify the source of leakage.
  • If the error persists after checking the float switch and circulation components.

Technical Specifications

wattage 60W
component Drain Pump Assembly
resistance 10-30 ohms
part_number W10837080
voltage_rating 120V AC

Common Questions

What does 6-4 error mean on KitchenAid dishwasher?

Error 6-4 indicates a float switch malfunction or water circulation issue, causing cycle stalls without water spraying.

Can I fix KitchenAid dishwasher 6-4 error myself?

Yes, check for float obstructions and ensure proper movement. Inspect for water accumulation beneath the unit.

How much does it cost to fix 6-4 error?

Estimated repair cost ranges from $80 to $350, including parts and labor, depending on your region.

When should I call a technician for 6-4?

Call a technician if you detect water under the unit or if the error persists after checking the float switch and circulation components.

Data last verified: 2026-03-25

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