Baumatic Base Leak / Internal Hose or Sump Leak

Dishwasher leaks water from underneath the cabinet.

Advertisements

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Advertisements

Possible Causes

Loose internal hose clamp, Cracked sump, Worn circulation pump seal, Split drain hose inside cabinet

How to Fix / Troubleshooting

Safety first: Unplug the dishwasher and close the water tap. Expect water in the base tray.

  • Pull out appliance: Carefully slide the Baumatic dishwasher out from under the counter.
  • Inspect base: Remove the bottom cover and look for signs of water trails, rust, or mineral deposits to locate the leak source.
  • Check hoses and clamps: Tighten any loose clamps and replace any hoses that show cracks or bulges.
  • Inspect sump and pump seal: Check around the sump and circulation pump for leaks. If the pump seal is leaking, replace the circulation pump assembly or seal kit as appropriate.
  • Test after repair: Run a short cycle while observing the base for leaks before reinstalling the dishwasher.
Advertisements

Repair Difficulty

Hard 4/5

Required Part

Sump and Circulation Pump Seal
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements