Error Code
Thermador Dishwasher F04 Error Code
F04 on a Thermador dishwasher is generally linked to a possible motor or movement-related problem. This guide gives a plain-language overview, the symptoms you might notice, safe checks you can perform, and when it is best to call a technician — with a reminder that exact behavior varies by model.
Reviewed by Daniel Reeves · Last reviewed August 18, 2026
Error guide
Code overview
Quick answer — F04 — commonly associated with a motor issue on a Thermador dishwasher. Meaning can vary by model; verify before relying on it.
On many Thermador dishwasher models, the F04 code is commonly associated with a possible motor or movement-related problem. The exact meaning can differ between appliance series and model years, so treat this as general guidance and confirm it against your specific model’s documentation before acting.
Model note: ASKO reuses codes across series and model years, so F04 may mean something different on another appliance or generation. Confirm against your model’s documentation and record the full model number before acting.
- Error code: F04
- Appliance: Dishwasher
What to look for
Symptoms you may notice
These are the signs homeowners often see when F04 appears on an ASKO appliance.
- The dishwasher shows F04 and movement stalls or is noisy
- The drum or fan doesn’t turn as expected with F04
- The dishwasher interrupts its cycle when F04 appears
Why it happens
Possible causes
Exact meaning can vary by model — treat these as common associations, not a final diagnosis.
-
An obstruction or imbalance affecting movement
-
A motor, belt or bearing issue (varies by model)
-
A control or sensor related to the motor
Before you call
Safe checks you can make
Simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
-
Confirm the load is balanced and not jammed
-
Check for visible obstructions around the drum or impeller
-
Perform a manufacturer-approved restart
-
Record the full model number before contacting a technician
Safety first
Important safety warning
Do not open internal panels, access high-voltage wiring, or bypass any safety device. If you see smoke, sparks, a burning smell, or water near electrical parts, switch the appliance off at the outlet if it is safe to do so and call a professional.
Please avoid
What not to attempt
Get help
When to call a technician
If F04 persists after the safe checks above, or you are unsure at any point, book a diagnosis. A technician can confirm what F04 means on your specific model and resolve the underlying cause safely.
Likely related component:
Often related to the drive or circulation motor (varies by model).
References
Sources & references
- Thermador appliance user manual — error/display messages section
FAQ
Frequently asked questions
Quick answers about F04, safe checks, and when to book a technician.
02 answers
You can safely try the basic checks above and a manufacturer-approved restart. If F04 returns, the underlying cause needs a proper diagnosis. Because the meaning can vary by model, confirm against your documentation.
Not necessarily. Thermador reuses codes across series and model years, and the exact meaning can differ. Record your full model number so the code can be interpreted correctly.
Book a repair
Tell us about your ASKO we’ll take it from there
Share your model and that you are seeing F04 — we’ll confirm an appointment. Prefer to talk? Call us and we’ll help right away.
Booking request
Request your repair
Fields marked with * are required.