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Error code · Dishwasher

Thermador Dishwasher E22: Drain Problem at Filter, Pump or Hose

Dirty water is still sitting in the tub when the cycle should be over, and the display reads E22. Thermador documents this code as a drainage problem involving the filter, the pump or the drain hose.…

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Code
E22
Appliance
Dishwasher
Brand
Thermador
Warranty
30-day workmanship

What E22 means

Dirty water is still sitting in the tub when the cycle should be over, and the display reads E22. Thermador documents this code as a drainage problem involving the filter, the pump or the drain hose. The machine tried to empty the tub, did not see the water leave, and stopped to avoid carrying on with a full sump.

Usual causes of E22

  • A filter clogged with food residue
  • Debris sitting in the drain pump
  • A drain hose that is kinked or blocked
✓ A safe check worth trying

1. Switch the dishwasher off and let it sit a few minutes. 2. Lift out the filter, rinse it under running water and refit it firmly. 3. Look in the drain pump area for bits of glass, seeds or food and clear them carefully. 4. Check the drain hose where you can see it for kinks, then run a short rinse.

! Why you should stop here
  • If a clean filter and a straight hose do not clear E22, the drain pump itself is the next suspect and needs a technician's inspection.
  • Reaching around the pump with your hands risks cuts from broken glass, so stop once the easy checks are done.
Taking off a panel yourself does not by default void a manufacturer warranty, yet it can lead to accidental damage, and some manufacturers attach their own service terms. Read your warranty paperwork, or ask us, before you decide.
→Same appliance

More Dishwasher codes

E3100Thermador Dishwasher E3100 Trips Leak Protection Over Water in the Base Tray E3200Thermador Dishwasher E3200: Fill Falls Short of the Level the Board Wants E3300Thermador Dishwasher E3300: Intake Blocked or Absent E3400Thermador Dishwasher E3400 and Water That Keeps Running In E6102Thermador Dishwasher E6102, Draining Trouble With Easy Culprits E6103Thermador Dishwasher E6103 When Nothing Drains After Installation E9240Thermador Dishwasher E9240: Water Will Not Leave the Tub E9210Thermador Dishwasher E9210 Flags a Bottom Spray Arm That Will Not Turn
E22E22 questions
How often should the filter be cleaned to keep this from coming back?

A monthly check is a sensible habit. Households that run the dishwasher daily or live with hard water may want to look more often, since residue builds up faster.

There is standing water in the tub. Is that normal?

A little at the bottom after a cycle can happen, but a tub that stays full and shows E22 means draining failed. Bail it out with a cup before cleaning the filter.

Is E22 the same as E23?

They are close relatives. E22 covers the broader filter, pump and hose area, while E23 points straight at the drain pump, so E22 is the one worth cleaning for first.

Request service

Is E22 still showing?

Our technician checks it in your home and hands you a written price before touching anything.

(713) 597-4873