Danby Dishwasher Error E4
⚡ Quick Answer: The Danby Dishwasher E4 error signifies a water overflow condition, commonly due to drainage issues or an improper water supply. This error may cause ... ✅ DIY Fixable
What Does Error E4 Mean?
The Danby Dishwasher E4 error signifies a water overflow condition, commonly due to drainage issues or an improper water supply. This error may cause the dishwasher to stop mid-cycle, display E4 during operation, or leave water in the tub. It is triggered by the internal float switch detecting excess water, indicating a need for inspection and possible repair of components like the drain pump or water inlet valve.
Common Symptoms:
- Dishwasher displays E4 during or at start of cycle
- Dishwasher stops mid‑cycle
- Unit may have water remaining in tub
- Error remains after cycle attempts
Possible Causes
- Water overflow or leak detected by internal float switch / water level sensor (medium)
- Drainage issues causing water to back up (medium)
- Insufficient or improper water supply / inlet obstruction (medium)
How to Fix Error E4
DIY Fix Basic checks and simple resets
- Turn off the dishwasher and unplug it or cut power at the breaker.
- Check that the water supply valve to the dishwasher is fully open.
- Inspect the drain hose for kinks or visible blockages.
- Remove and clean the filter at the bottom of the dishwasher.
- Wait a few minutes and restore power to see if the error clears.
Technician Only Inspect and service internal components related to water level and drainage
- Access the base of the dishwasher to inspect the float assembly for proper movement and any debris.
- Check the drain pump and drain hose connections for blockages or wear.
- Test the water inlet valve and its screen for clogging or malfunction.
- Verify correct operation of the water level sensor or related float switch circuitry.
Parts needed: Float switch / water level sensor, Drain pump, Water inlet valve, Drain hose
- If E4 persists after basic checks and cleaning.
- If you detect water leaking from the unit’s base.
- If internal components such as the pump or float switch appear damaged.
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.
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.
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.
Pressure Switch
Detects the water level inside the tub and signals when to start or stop filling.
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
Water Inlet Valve
Controls the flow of hot and cold water into the appliance.
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.
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.
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.
Braided Dishwasher Inlet Hose
For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| wattage | N/A |
|---|---|
| component | Float Switch |
| resistance | 10-20 ohms |
| part_number | Danby 106250 |
| voltage_rating | 120V AC |
Common Questions
What does E4 error mean on Danby Dishwasher?
E4 indicates a water overflow condition due to drainage issues or improper water supply.
Can I fix Danby Dishwasher E4 error myself?
Yes, you can perform basic checks like ensuring the water supply is open and inspecting the drain hose for blockages.
How much does it cost to fix E4 error?
$50–$200+ depending on the parts and labor required for repairs.
When should I call a technician for E4?
Call a technician if the E4 error persists after basic checks or if you see water leaking from the unit.
Data last verified: 2026-07-22
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