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E18

Drainage blockage or pump issue

E18 is commonly associated with a blockage affecting drainage, such as the pump/filter or drain hose.

What this code means

E18 is commonly associated with a blockage affecting drainage, such as the pump/filter or drain hose.

Possible causes

  • Blocked pump or filter
  • Blocked drain hose
  • Kinked drain hose
  • Restricted siphon connection

Common symptoms

  • Machine stops during a cycle
  • Water may remain in the drum
  • E18 displayed

Checks to make

  1. Switch off and unplug the appliance
  2. Check and clean the drain pump/filter following the appliance instructions
  3. Check the drain hose for kinks or blockages
  4. Check the siphon or waste connection for restriction

Safety

  • Switch off and unplug the washing machine before opening the service flap or working around the pump. Be prepared for retained water.

Model notes

Bosch advises checking the drain pump and drain hose before arranging a repair.