What E:24 Means
The service table lists E:24 as a drainage problem at the end of the program, and gives several internal check results: a leaky non-return valve, a water drainage problem covering a kinked or blocked hose, an incorrect delivery height or a missing drain pump cover, and on certain production dates a blocked drain pump. The listed measures include attaching the drain pump cover and checking the pump for foreign objects.
Common Causes of E:24
- A kinked or blocked drain hose
- A drain hose run at the wrong height so water siphons back
- A missing drain pump cover in the sump
- A non-return valve no longer sealing
🔧 One Safe Check You Can Try
Follow the hose from the back of the machine and look for a kink or a crushed section, and check the hose is looped up to the height the installation instructions require - delivery height is one of the specific things the table names.
⚠ Why You Shouldn't Go Further Than That
- A drain hose routed at the wrong height is an installation problem that survives every part replacement, so it has to be found rather than worked around.
- Pulling the machine forward to inspect the hose kinks it behind the unit where it cannot be seen, which is how a diagnosis creates its own problem.
- A missing pump cover means debris has had free access to the pump, so the pump needs checking even once the cover is replaced.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.
Technical Reference
- Code
- E:24
- Appliance
- JennAir dishwasher
- Maker documentation
- JennAir owner manuals and use & care guides
- Checked
- September 2026
Code meanings can change between control generations. Before acting on a code, match the full model number on your appliance's rating label against the manual for that model. We are an independent repair service, not affiliated with Whirlpool Corporation.