Bosch Washing Machine E33 / F33 error code
The E33 or F33 error means your Bosch washing machine detected excessive detergent foam inside the drum. This is caused by using too much detergent especially when washing lightly soiled items. Reduce the amount of detergent used in the next cycle. Check the detergent packaging for the correct dosage based on your load size and soil level.
Common causes
- Too much detergent was used for the load size
- An old or unsuitable detergent was used generating excessive foam
- Lightly soiled laundry requires less detergent than heavily soiled loads
How to fix it
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1
Reduce the amount of detergent for the next washing cycle with the same load
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2
Check the detergent packaging for the recommended dosage for your specific load size and soil level
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3
Use less detergent when washing lightly soiled items
Related Bosch Washing Machine error codes
E33 / F33 error — frequently asked questions
What does the E33 / F33 error mean on a Bosch washing machine?
Too much detergent foam was detected — reduce detergent dosage
What causes the E33 / F33 error?
The E33 / F33 error is usually caused by: Too much detergent was used for the load size; An old or unsuitable detergent was used generating excessive foam; Lightly soiled laundry requires less detergent than heavily soiled loads.
Can I fix the E33 / F33 error myself?
Yes — this is rated an easy fix that most people can do themselves, typically in 2m.
How much does it cost to fix the E33 / F33 error?
Fixing the E33 / F33 error on a Bosch washing machine typically costs $0, depending on parts and whether you do it yourself or hire a technician.
Is it safe to keep using my washing machine with the E33 / F33 error?
In most cases yes, but it's best to address the E33 / F33 error soon — see the fix steps below to resolve it.