Ariston Dishwasher Error F03
⚡ Quick Answer: The Ariston dishwasher F03 error indicates a problem with water drainage, often due to a malfunctioning drain pump. Users may notice that the dishwash... ✅ DIY Fixable
What Does Error F03 Mean?
The Ariston dishwasher F03 error indicates a problem with water drainage, often due to a malfunctioning drain pump. Users may notice that the dishwasher stops operating, water remains in the tub, and the cycle fails to progress. This issue is commonly caused by an obstruction or failure in the drain pump, or a blockage in the drain hose. If you experience unusual noises during operation, it's likely related to the drain pump malfunction.
Common Symptoms:
- Dishwasher stops operation and displays F03 code
- Water remains in the tub or is not being pumped out
- Cycle does not progress due to inability to drain
Possible Causes
- Drain pump obstruction or failure (medium)
- Foreign object in pump or drain hose blockage (medium)
How to Fix Error F03
DIY Fix Check for blockages in filter and drain hose
- Turn off and unplug the dishwasher.
- Remove and clean the filter at the bottom of the tub.
- Inspect the drain hose for kinks or obstructions.
- Ensure the hose is properly routed and not clogged.
Technician Only Inspect and test the drain pump and motor
- Disconnect power and access the drain pump assembly.
- Check for foreign objects in pump housing or impeller.
- Verify pump electrical connections and supply voltage.
- Test pump operation; replace pump if non-functional.
Parts needed: drain pump, drain hose
- Water is leaking from the dishwasher
- Unusual noises from the pump or electrical smell
- You are uncomfortable accessing internal components
Next step
Choose the next step for F03
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.
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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 F03 error mean on ariston dishwasher?
The F03 error indicates a drainage issue, often due to a malfunctioning drain pump, causing the dishwasher to stop and water to remain inside.
Can I fix ariston dishwasher F03 error myself?
Yes, you can check for blockages in the filter and drain hose by turning off and unplugging the dishwasher, then cleaning the filter and inspecting the hose.
How much does it cost to fix F03 error?
The estimated repair cost for the F03 error ranges from $80 to $200, depending on the parts needed.
When should I call a technician for F03?
Call a technician if there is water leaking from the dishwasher, you hear unusual noises, or if you're uncomfortable accessing internal components.
Sources & References
Data last verified: 2026-07-31
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