Ariston Dryer Error F12

⚡ Quick Answer: The Ariston dryer error F12 indicates a communication error between the display/user interface board and the main control board. This malfunction ofte... ⚠️ Difficulty Varies

What Does Error F12 Mean?

The Ariston dryer error F12 indicates a communication error between the display/user interface board and the main control board. This malfunction often results in the dryer not starting, with symptoms such as flashing lights on the control panel and an unresponsive interface. To resolve this issue, check for loose or damaged connections and consider the possibility of faulty control boards.

Common Symptoms:

  • Dryer will not start and displays F12
  • Some lights or indicators may flash when attempting to start
  • Control panel becomes unresponsive

Possible Causes

  • Loose or damaged communication harness between display board and main control board (medium)
  • Faulty display/user interface control board (medium)
  • Faulty main control board (PCB) (medium)

How to Fix Error F12

DIY Fix Check basic connections and power cycle

  1. Unplug the dryer from power and wait 5–10 minutes.
  2. Plug the dryer back in and attempt to run a cycle.
  3. If the error persists, ensure the dryer is disconnected before further inspection.

Technician Only Inspect and repair internal communication circuit

  1. Disconnect power and remove the dryer’s control panel cover.
  2. Inspect the communication harness between the display board and main PCB for looseness, corrosion, or damage.
  3. Secure or replace damaged harness/connectors.
  4. Test the display board and main control board with known-good parts if available to isolate the faulty board.
  5. Replace the defective board if needed.

Parts needed: Display/User Interface PCB, Main Control PCB, Communication harness/wiring

🛑 When to Call a Pro:
  • If the dryer’s internal panels must be opened but you are not experienced with appliance electronics
  • If repairing or replacing control boards is necessary

Next step

Choose the next step for F12

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 Dryer 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.

Maintenance supply

Dryer Vent Cleaning Kit

Helps remove routine lint buildup from an accessible dryer vent path. It does not diagnose or repair an E-code or failed component.

View maintenance supply
Maintenance supply

Lint Trap Cleaning Brush

A narrow brush for routine cleaning around an accessible lint screen and housing.

View maintenance supply
Maintenance supply

Dryer Vent Hose Kit

A replacement exhaust duct option for visibly crushed or damaged external venting. Check diameter, length, local code, and installation clearance.

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

wattage 2000W
component Heating Element
resistance 10-30 ohms
part_number C00274347
voltage_rating 230V AC

Common Questions

What does F12 error mean on ariston dryer?

F12 indicates a communication error between the display board and the main control board, preventing the dryer from starting.

Can I fix ariston dryer F12 error myself?

Yes, you can check connections and power cycle the dryer, but further inspection may require professional help.

How much does it cost to fix F12 error?

The estimated repair cost for the F12 error ranges from ¥10,000 to ¥40,000, depending on the necessary parts.

When should I call a technician for F12?

Call a technician if you need to open the internal panels or if control board repairs or replacements are required.

Data last verified: 2026-07-25

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