ApplianceFaults

Error code

Whirlpool Washing Machine Error Code F12

Control board communication fault The most likely cause is control board detected an internal fault. Check first: check that no control button is physically stuck.

Last updated: 28 June 2026

Quick answer

F12: Control board communication fault

Severityhigh

Meaning

Control board communication fault

First safe check

Switch the appliance off at the mains for a short reset only if it is safe.

Stop if

Stop if the code returns, water reaches electrics, there is burning smell, the appliance trips power, or the next step would require internal access.

Who to call

Contact a qualified technician if F12 returns after safe visible checks, the appliance cannot complete a short test, or diagnosis would require internal access.

High severity: escalate quickly if it persists. Disconnect power before checking accessible parts where the appliance guidance says to do so.

Fix time

5-20 minutes for safe visible checks

Difficulty

Easy to moderate

The useful first pass is to confirm simple visible causes before assuming a failed internal component.

Expected outcome: A simple external cause may clear after one short test. Repeated F12 means the appliance needs closer diagnosis.

What does this error code mean?

Whirlpool washing machine F12 usually means control board communication fault. The exact cause can vary by model, so use this page as safe fault-code context rather than a confirmed diagnosis of one failed part.

Start with the checks that do not require dismantling the appliance: power, water, drain, door, filters, load, or airflow depending on the fault family. If the code returns after one sensible retry, the safer next step is a qualified technician or the manufacturer's authorised service centre.

This code sits in the power control fault family, so checks should stay focused on that system before broader part replacement is considered.

Symptoms users may notice

  1. The display may freeze, flash, or restart.
  2. Buttons may not respond normally.
  3. The code may appear immediately on power-up.

Why is this happening?

  1. Control board detected an internal fault
  2. Button, display, or communication signal is stuck
  3. Power supply interruption or voltage issue
  4. Wiring or module communication fault

What this usually points to

This code sits in the power control fault family, so checks should stay focused on that system before broader part replacement is considered.

How to fix this safely

  1. Switch the appliance off at the mains for a short reset only if it is safe.
  2. Check that no control button is physically stuck.
  3. Avoid repeated resets if the code returns immediately.
  4. Use an authorised service centre or qualified repair professional for module diagnosis.

Can I fix this myself?

Maybe

You can make the visible checks listed above, but do not dismantle the appliance or test live electrical parts.

Safety boundary: Stop if the code returns, water reaches electrics, there is burning smell, the appliance trips power, or the next step would require internal access.

What not to do

  1. Do not keep clearing the display with repeated resets.
  2. Do not remove panels, test live wiring, bypass sensors, or force stuck parts.
  3. Do not continue normal use if there is leaking, overheating, burning smell, or electrical tripping.

Common misdiagnoses

  1. F12 can be mistaken for a single failed component, but the same display can be triggered by supply, sensor, wiring, control, or usage conditions depending on the model.

Reset steps

  1. Switch the appliance off and wait briefly before restarting only if the manual allows it.
  2. Run one short test after completing the safe visible checks.
  3. Stop and arrange help from a qualified technician if the code returns.

Intermittent vs persistent faults

A one-off F12 may follow a temporary condition. Repeated or immediate returns should be treated as persistent and escalated.

When to call a technician

Contact a qualified technician if F12 returns after safe visible checks, the appliance cannot complete a short test, or diagnosis would require internal access.

Safety warning

Disconnect power before touching accessible hoses, filters, doors, or panels. Do not work on live electrical parts or sealed components.

Useful hub links

Related power and control fault codes

After resolving this fault, use the right wash setting to help prevent repeat issues.

Relevant guide

Frequently asked questions

What does Whirlpool F12 mean?+

F12 usually means control board communication fault, although the exact trigger can vary by model.

Can I fix Whirlpool F12 myself?+

You can try the safe visible checks on this page. Stop if the code returns or the next step would require opening the appliance.

Should I keep using the appliance with F12?+

No. Pause normal use until the fault has cleared after safe checks, especially if there is leaking, overheating, unusual noise, or electrical tripping.

Who should I call if F12 keeps coming back?+

Use a qualified technician or the manufacturer's authorised service centre for internal diagnosis and repair.

Model variation note

Whirlpool may use this code differently across model ranges. Check the model manual or authorised support if the symptoms do not match this page.