Smeg Washing Machine Error F12

What Does Error F12 Mean?

The Smeg Washing Machine error code F12 signals a malfunction in the door lock mechanism, which prevents the machine from starting the wash cycle. This error is commonly indicated by a flashing display. To address this issue, ensure the door is securely closed and latched. If the problem persists, further troubleshooting may be required.

Possible Causes

• Door Lock Mechanism

How to Fix Error F12

DIY Fix General troubleshooting due to lack of Smeg‑specific F12 info

1. Turn off the washing machine and unplug it, then wait a few minutes and plug it back in to attempt a reset.
2. Check that the machine isn’t overloaded and redistribute the load evenly.
3. Ensure the door is fully closed and latched properly.
4. Verify water supply valves are open and inlet hoses are not kinked.
5. Inspect drain hose and pump filter for obstructions.

Technician Only Contact Smeg service for official error code interpretation and repair

1. Record the error code and exact model number of your Smeg washing machine.
2. Contact the official Smeg customer support or an authorized technician to get the meaning of F12 and recommended repairs.
3. Have the technician perform diagnostic checks on sensors, control board, and hardware connected to water and load sensing.

🛑 When to Call a Pro:

• If the error reappears after simple user troubleshooting, especially if the washer won’t start cycles or fill/drain properly.

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.

Check during diagnosis

Most relevant component to inspect

Door Lock Assembly

Secures the door shut during operation for safety and signals the control board to run.

Typical part-only price

$30 - $75

DIY difficulty

Easy

Estimated time

10-20 mins

Optional: enter your model number

Apply

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 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

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Technical Specifications

wattage	N/A
component	Door Lock Mechanism
resistance	1-5 ohms
part_number	Smeg 210022123
voltage_rating	230V AC

Common Questions

What does F12 error mean on Smeg Washing Machine?

F12 indicates a malfunction in the door lock mechanism, preventing the wash cycle from starting.

Can I fix Smeg Washing Machine F12 error myself?

Yes, try checking the door latch and ensure it's fully closed. You can also reset the machine by unplugging it.

How much does it cost to fix F12 error?

Repair costs vary by model and region; it's best to consult a technician for an estimate.

When should I call a technician for F12?

Call a technician if the F12 error reappears after troubleshooting, especially if the washer won't start or function properly.

Data last verified: 2026-07-22