Maytag Dishwasher Error E4

⚡ Quick Answer: The Maytag dishwasher E4 error indicates a drainage issue due to water detected in the base or drip tray, which triggers the float switch to prevent o... ✅ DIY Fixable

What Does Error E4 Mean?

The Maytag dishwasher E4 error indicates a drainage issue due to water detected in the base or drip tray, which triggers the float switch to prevent overflow. This can cause the dishwasher to stop mid-cycle, often accompanied by gurgling sounds. To resolve the issue, check for water in the drip tray and inspect the float switch connection for any loose or improperly seated wiring.

Common Symptoms:

  • Dishwasher stops mid‑cycle with E4 code displayed.
  • Water present in the drip tray at the bottom of the dishwasher.
  • Float switch activation.

Possible Causes

  • Float switch triggered by water in the base/drip tray (high)
  • Float switch connection loose or improperly seated (medium)

How to Fix Error E4

DIY Fix Check and empty the base/drip tray

  1. Turn off and unplug the dishwasher.
  2. Remove the drip tray by pressing the snaps on each side and pulling toward you.
  3. Carefully drain any water into a bucket.
  4. Reinstall the drip tray and ensure it is seated correctly.

DIY Fix Inspect float switch connection

  1. With power off, locate the float switch wiring at the base of the dishwasher.
  2. Ensure the float switch connector is fully seated and the locking tab is engaged.
  3. Verify that wiring does not contact the motor or lower tub surfaces.

Technician Only Diagnose and repair internal leak or float switch assembly

  1. Remove lower access panel and inspect drip tray and float switch assembly.
  2. Trace source of water entering base (hose leaks, pump seals, cracks).
  3. Replace defective float switch or seals as needed.

Parts needed: Float switch, Drip tray assembly, Hoses or seals if leaks are found

🛑 When to Call a Pro:
  • If after emptying the drip tray and verifying float switch connection the E4 code persists.
  • If there is visible leakage from internal hoses, pumps, or seals.
  • If you are unable to safely access or diagnose the drip tray/float switch area.

Next step

Choose the next step for E4

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Check during diagnosis

Most relevant component to inspect

Float Switch

Detects the maximum water level to prevent overflow and potential flooding.

Typical part-only price
$15 - $40
DIY difficulty
Easy
Estimated time
10-20 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Model number required

Model-compatible Dishwasher parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.

Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Dishwasher Cleaner and Descaler

Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.

View maintenance supply
Maintenance supply

Braided Dishwasher Inlet Hose

For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.

View maintenance supply

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Technical Specifications

note The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering.
part_number None

Common Questions

What does E4 error mean on Maytag dishwasher?

E4 indicates water in the drip tray, triggering the float switch and stopping the dishwasher.

Can I fix Maytag dishwasher E4 error myself?

Yes, you can check and empty the drip tray and inspect the float switch connection.

How much does it cost to fix E4 error?

Repair costs for the E4 error range from $50 to $250, depending on parts and labor.

When should I call a technician for E4?

Call a technician if the E4 code persists after troubleshooting or if there are visible leaks.

Sources & References

Data last verified: 2026-07-31

User Comments (0)

Share your experience or solution below.

Be the first to comment!