There is a lot of foam in my dishwasher

Last updated 23/12/2019 08:30


  • There is water and foam at the bottom of the dishwasher when the program is finished
  • A lot of foam in the dishwasher during washing
  • Foam comes out from under the door during the wash programme
  • It foams a lot in my dishwasher

Applies to

  • Dishwashers


  • If washing up liquid has been used in the rinse aid dispenser, the dispenser will need to be removed and flushed. A suitably qualified technician should only undertake this action.  Please contact us to arrange a technician to visit. 
  • If foam is coming out of the appliance during operation and you suspect that washing up liquid has been used, please switch the appliance off and contact our team for advice.  
  • If using “All-in-One”multi-tablets, use the Multi-tab function, available on most dishwashers. This will turn off the separate rinse aid. Please see your user manual for instructions


  • Check you are using the correct detergent. Washing up liquid must not be used in a dishwasher
  • Ensure you don't mix washing up liquid and rinse aid in the rinse aid chamber
  • Multi-tab detergent already contains rinse aid, therefore, additional rinse aid can result in overdosing
  • Washing up by hand is not required prior to using the dishwasher, washing up liquid on your crockery can result in excess foam
  • Don't pre-rinse, only scrape your plates as dishwasher detergent is designed to handle certain levels of grease and soil. Pre-rinsing unbalances this and can lead to excess foam
  • Take care when refilling the rinse aid container and wipe away any spillage. Spilt rinse aid will foam when the program starts
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