Ariston Washing Machine Error F18

⚡ Quick Answer: The Ariston washing machine error F18 signifies a significant malfunction in the control system, specifically a communication failure between the cont... ✅ DIY Fixable

What Does Error F18 Mean?

The Ariston washing machine error F18 signifies a significant malfunction in the control system, specifically a communication failure between the control board and the microprocessor. Symptoms often include the machine freezing mid-cycle, unresponsive buttons, and malfunctioning display functions. This error may prevent the machine from starting or completing its selected program, indicating a serious fault that may require professional attention.

Common Symptoms:

  • Machine freezes mid-cycle or will not start when F18 appears.
  • Some or all display functions aren’t working when F18 is shown.
  • Buttons may not respond and machine does not execute selected program.

Possible Causes

  • Control board / electronic module malfunction (medium)
  • Temporary software/firmware crash (medium)

How to Fix Error F18

DIY Fix Perform power reset

  1. Unplug the washing machine from the power outlet.
  2. Wait 10–15 minutes to allow internal electronics to discharge.
  3. Plug the machine back in and attempt to start a short cycle.

Technician Only Diagnose and repair control board

  1. Inspect the main control board for visible damage, corrosion, or burnt components.
  2. Check communication harnesses/connectors between control board and motor/controller.
  3. Replace the control board or reprogram firmware as needed.

Parts needed: main control board, connectors/harness

🛑 When to Call a Pro:
  • If F18 persists after power reset.
  • If the machine fails to start or displays erratic behavior.
  • If there are signs of physical damage to electronics.

Next step

Choose the next step for F18

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Other parts options

Check related components first; use model search as a fallback.

Model number required

Model-compatible Washing Machine 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

Washing Machine Cleaner Tablets

Routine tub-cleaning supplies for residue and odor control. They do not repair a mechanical, drainage, or electronic fault.

View maintenance supply
Maintenance supply

Braided Washer Inlet Hoses

A maintenance replacement option for visibly worn external fill hoses. Verify thread size, length, and hot/cold connection requirements.

View maintenance supply
Maintenance supply

Washer Drain Hose Holder

Helps secure an external drain hose at the standpipe. It does not correct an internal pump or control fault.

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 F18 error mean on ariston washing machine?

F18 indicates a communication failure in the control system, causing the machine to freeze or become unresponsive.

Can I fix ariston washing machine F18 error myself?

Yes, try performing a power reset by unplugging the machine, waiting for 10–15 minutes, and plugging it back in.

How much does it cost to fix F18 error?

Estimated repair costs range from ¥20,000 to ¥60,000, depending on the model and region.

When should I call a technician for F18?

Call a technician if the F18 error persists after a power reset, if the machine exhibits erratic behavior, or if there's visible damage to electronics.

Sources & References

Data last verified: 2026-07-31

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