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

  1. Turn off and unplug the dishwasher.
  2. Remove the lower rack and access the drain filter.
  3. Clean the filter and remove any food debris.
  4. Check the drain hose for kinks or visible blockages.
  5. Reassemble and run a short drain cycle to test if water now drains.
  6. If water still does not drain, proceed to technician actions.

Technician Only Inspect and repair/replace drain pump and associated components

  1. Disconnect power and water supply.
  2. Remove access panels to reach the drain pump.
  3. Inspect the pump impeller for damage or hidden obstructions.
  4. Test the drain pump electrically for proper operation.
  5. Replace the drain pump if defective.
  6. Inspect and replace the drain hose if kinked internally or clogged beyond cleaning.

Parts needed: drain pump assembly, drain hose

🛑 When to Call a Pro:
  • 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

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number Hoover 123456789
voltage_rating 120V AC

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: 2026-04-14

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