Hoover Dishwasher Error E03
⚡ Quick Answer: The Hoover dishwasher E03 error code indicates a drainage fault, where the dishwasher halts mid-cycle due to improper water drainage, often leaving wa... ✅ DIY Fixable
What Does Error E03 Mean?
The Hoover dishwasher E03 error code indicates a drainage fault, where the dishwasher halts mid-cycle due to improper water drainage, often leaving water at the bottom of the tub. This issue is typically caused by a blocked drain filter, a clogged or kinked drain hose, or a defective drain pump. Users may also notice unusual noises during the drain cycle. Taking prompt action can prevent further complications.
Common Symptoms:
- Dishwasher stops mid‑cycle
- Water remains in bottom of tub
- Error E03 displayed
Possible Causes
- Blocked drain filter or debris in drain system (medium)
- Clogged or kinked drain hose (medium)
- Defective drain pump (medium)
How to Fix Error E03
DIY Fix Check and clear basic drainage blockages
- Turn off and unplug the dishwasher.
- Remove the lower rack and access the drain filter.
- Clean the filter and remove any food debris.
- Check the drain hose for kinks or visible blockages.
- Reassemble and run a short drain cycle to test if water now drains.
- If water still does not drain, proceed to technician actions.
Technician Only Inspect and repair/replace drain pump and associated components
- Disconnect power and water supply.
- Remove access panels to reach the drain pump.
- Inspect the pump impeller for damage or hidden obstructions.
- Test the drain pump electrically for proper operation.
- Replace the drain pump if defective.
- Inspect and replace the drain hose if kinked internally or clogged beyond cleaning.
Parts needed: drain pump assembly, drain hose
- If water continues to remain in the dishwasher after clearing filters and hoses
- If the drain pump is confirmed faulty or impeller is damaged
- If you are unable to safely access internal components
Next step
Choose the next step for E03
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
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
- Typical part-only price
- $35 - $80
- DIY difficulty
- Easy
- Estimated time
- 15-30 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.
Drain Hose
Carries waste water from the drain pump to your home's standpipe or sink drain.
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
| 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 E03 error mean on Hoover dishwasher?
E03 indicates a drainage fault, causing the dishwasher to stop mid-cycle with water remaining in the tub.
Can I fix Hoover dishwasher E03 error myself?
Yes, you can check and clear blockages in the drain filter and hose to potentially resolve the issue.
How much does it cost to fix E03 error?
Repair costs range from $50–$200 for parts, plus labor depending on your region.
When should I call a technician for E03?
Call a technician if water remains after clearing filters, or if the drain pump is confirmed faulty.
Data last verified: 2026-07-31
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