Sharp Dishwasher Error F8

⚡ Quick Answer: The Sharp dishwasher error F8 indicates that the overflow protection feature has been activated due to water detection in the base tray. This can caus... ✅ DIY Fixable

What Does Error F8 Mean?

The Sharp dishwasher error F8 indicates that the overflow protection feature has been activated due to water detection in the base tray. This can cause the dishwasher to stop mid-cycle, often accompanied by unusual noises. It's essential to address this issue promptly to prevent flooding and further damage.

Common Symptoms:

  • Dishwasher stops mid‑cycle and displays F8
  • Water present in the base tray or around/under dishwasher
  • Cycle fails to complete

Possible Causes

  • Water leakage triggering overflow sensor (medium)
  • Faulty or stuck float/overflow sensor (medium)

How to Fix Error F8

DIY Fix Check for leaks and clear base tray

  1. Turn off power and water supply to the dishwasher.
  2. Carefully pull out lower kick panel or access panel.
  3. Check for and remove any water accumulated in the base tray.
  4. Inspect visible hoses and connections for leaks.

DIY Fix Inspect and free float/overflow switch

  1. Locate the float/overflow switch inside the base of the dishwasher.
  2. Ensure it moves freely (not stuck by debris).
  3. Clean around it gently to remove any blockage.

Technician Only Repair/replace leaking components

  1. Drain any water from base tray and dry thoroughly.
  2. Pressure‑test or visually inspect hoses, sump seals, tub cracks and connectors.
  3. Replace any damaged hose, sump seal, or cracked tank section.

Parts needed: Hoses, Sump assembly, Tub or side tank components

Technician Only Replace float/overflow sensor assembly

  1. Test sensor continuity and operation with multimeter.
  2. Replace sensor assembly if faulty.
  3. Reassemble and test dishwasher for proper operation.

Parts needed: Float switch or overflow sensor

🛑 When to Call a Pro:
  • If water is leaking heavily under the unit
  • If replacing float/overflow sensor does not resolve F8
  • If internal component damage (cracks, major leaks) is suspected

Next step

Choose the next step for F8

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

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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.

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 F8 error mean on sharp dishwasher?

F8 error indicates overflow protection activation due to water detected in the base tray, causing the dishwasher to stop.

Can I fix sharp dishwasher F8 error myself?

Yes, you can check for leaks, clear the base tray, and inspect the float/overflow switch for blockages.

How much does it cost to fix F8 error?

Repair costs for the F8 error range from ¥5,000 to ¥30,000+, depending on parts and model.

When should I call a technician for F8?

Call a technician if there's heavy water leakage or if replacing the float/overflow sensor does not resolve the issue.

Data last verified: 2026-07-31

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