Bosch Washing Machine Error Code E33
The machine is dealing with foam, not a breakdown. Too much detergent, or the wrong type, has filled the drum with suds and the machine pauses to manage it.
Also shown as: F33
Common causes
- Too much detergent
- Non-HE or hand-wash detergent in the machine
- Detergent residue built up over time
What to check, in order
- Let the machine finish its foam-handling routine, or run a rinse and spin.
- Reduce the dose and use detergent made for washing machines.
- Run a maintenance wash empty at a high temperature to clear residue.
Clear the code and test
- Fix what the checks above found first — a filter cleaned, a hose straightened, taps opened. Clearing the code without fixing the cause only brings it back.
- Close the door, plug the machine back in and restore the water supply.
- Run a short rinse and spin, or the shortest wash programme, and watch the stage where the code appeared before (filling, washing, draining or spinning).
- If the cycle finishes with no code, the fault is cleared. If the code returns at the same stage, write down the code and that stage before calling a technician — it speeds up the diagnosis.
When to call a professional
Most cases are solved by the checks above. Book a technician if any of these apply:
- The code comes back after you have run the checks and a test cycle.
- You smell burning, see sparks or scorch marks, or the breaker trips.
- Water is leaking and you cannot stop it at the tap.
- The fix needs panels opened beyond what your manual describes, or a part tested with a meter, and you are not set up for that.
When you call, give the brand, the code E33, your model number (on a label inside the door or on the back) and the checks you already ran. It shortens the visit.
Questions people ask about E33
What does E33 mean on a Bosch washing machine?
E33 means: Too much foam from detergent. The machine is dealing with foam, not a breakdown. Too much detergent, or the wrong type, has filled the drum with suds and the machine pauses to manage it.
Can I fix Bosch E33 myself?
Usually, yes. Code E33 is rated DIY-friendly: the checks on this page cover the common causes and use basic household items only. If the code returns after the checks and a test cycle, book a technician.
How do I clear Bosch E33?
Fix the cause first — clearing the code on its own brings it straight back. Then restore power and water, run the shortest programme, and watch the stage where the code appeared. If the programme finishes with no code, it is cleared.
Sources checked
- Bosch Home (US) owner support: dishwasher error codes
- Coolblue advice: Bosch and Siemens washing machine errors
The meaning and checks for this code were checked against the sources above in November 2026. Codes vary by model and region; if your manual lists a different meaning for your exact model, follow the manual.