Home / Brands / Miele / Dishwasher / F24 Miele Dishwasher
Miele Dishwasher F24 error code Usually indicates a heating relay contact fault that Miele treats as a service-level technical fault.
What to check first Safety first Do not open panels or inspect electrical relay parts. Disconnect power before any service-level inspection. Can I keep using it? Do not keep using the appliance while this warning is active.
Electrical warning: stop and verify Do not keep using the appliance if the code points to voltage, wiring, control power, burning smell, smoke, or a possible miswired supply.
Safe next step Use only safe owner-level power checks, then involve a qualified technician or electrician when the source points to wiring or supply voltage.
Stop when Breakers trip, lights dim, the appliance smells hot, wiring may be miswired, or the warning returns after a safe reset. Safety boundaries Safe first Match the exact brand, appliance type, and displayed code first. Use the model manual as the final authority for access steps. Disconnect power before any service-access step. Do not do this Do not keep running the appliance while this code is active. Do not bypass locks, float switches, leak sensors, or other safety systems. Common causes include Heating relay contact fault Heating circuit issue Control or relay fault Basic checks Stop the program and leave the dishwasher off. Record the exact F24 code and dishwasher model before contacting service. Check only that the dishwasher is not visibly wet or damaged from outside. Let the appliance cool before any retry; if the code appears cold, the sensor warning is still active. Check for unusual heat or odor from outside the appliance; if present, stop use and keep power off. Reset or retry steps Do not repeatedly reset F24; Miele describes it as a technical fault that is not owner-remedied. When to call a technician Book Miele service if F24 appears. Call service promptly if heat, odor, tripped breakers, or visible damage is present. Before approving a paid visit, check warranty status and reviewquestions to ask before repair .
FAQ What does Miele Dishwasher code F24 usually mean? Usually indicates a heating relay contact fault that Miele treats as a service-level technical fault. Model context matters: Miele's support page frames F24 as a technical heating-relay fault rather than an owner-level cleaning issue.
Can I keep using the dishwasher with code F24? Do not keep using the appliance until the visible issue has been checked and the relevant safety warnings have been addressed. Do not open panels or inspect electrical relay parts.
When should I call a technician for Miele F24? Book Miele service if F24 appears. A qualified technician may check Heating relay, Heating circuit, and Control electronics against the model's service information before treating any part as failed.
Service call prep Copy a neutral summary for a technician, landlord, or support chat. The summary uses only the visible record fields and is not stored.
Bring this Brand, appliance type, visible code, and model number.
Check first Warranty status before approving paid repair or parts.
Do not include Serial numbers, addresses, phone numbers, or public photos. Copy summary Print page
FaultCodeLab service call prep sheet
Brand: Miele
Appliance: Dishwasher
Displayed code: F24
Source confidence: Official manufacturer support
Last verified: 2026-07-02
Displayed severity: High safety urgency
Continued use: No - do not keep running while active.
What the code usually indicates:
Usually indicates a heating relay contact fault that Miele treats as a service-level technical fault.
Safety notes:
- Do not open panels or inspect electrical relay parts.
- Disconnect power before any service-level inspection.
Basic checks already reviewed:
- Stop the program and leave the dishwasher off.
- Record the exact F24 code and dishwasher model before contacting service.
- Check only that the dishwasher is not visibly wet or damaged from outside.
- Let the appliance cool before any retry; if the code appears cold, the sensor warning is still active.
- Check for unusual heat or odor from outside the appliance; if present, stop use and keep power off.
When to call a technician:
- Book Miele service if F24 appears.
- Call service promptly if heat, odor, tripped breakers, or visible damage is present.
Before calling:
- Check warranty status before approving paid repair or parts.
- Have the model number ready if you can find it safely.
- Do not share serial numbers, addresses, phone numbers, or personal notes in public forums.
- This summary is not a diagnosis; use it as a cautious starting point for qualified service. Possible parts involved Heating relay Heating circuit Control electronics Model notes Miele's support page frames F24 as a technical heating-relay fault rather than an owner-level cleaning issue. Find your model number Model-family notes Miele dishwashers The official Miele F24 page describes a heating relay contact fault and directs the owner to book a repair appointment.
Source context Source confidence This record is based on official Miele guidance and was last verified on 2026-07-02.
How confidence levels work Severity guide Use high when continued operation may involve water near wiring, heat, fire, gas, food-safety risk, entrapment, sealed-system work, or another stop-use boundary.
How severity levels work Same appliance across brands Sources The matching source guide groups this brand and appliance pair with the manufacturer references behind its records.
Source guide 