What F8 E4 points to
F8 E4 on supported KitchenAid dishwashers points to water detected in the drip tray or a float-switch condition. The dishwasher may be protecting the floor and electronics from ongoing water movement.
A reset is not the first step. First determine whether water is still entering, leaking, or backing up.
Safe visible checks
Look around the lower door, under the sink, and near the drain hose. Check for oversudsing, blocked spray arms, a mis-seated filter, or dishes keeping the door from sealing.
Do not tip the dishwasher or remove panels as a shortcut unless the official manual tells you to and you can do so safely.
- Cancel the cycle.
- Turn water off if leaking is active.
- Check for foam or wrong detergent.
- Inspect visible hose connections.
- Record whether the warning returns immediately.
When to call service
If F8 E4 comes back after visible causes are corrected, internal leak detection or float-switch diagnosis may be needed.
Provide the model number, when the code appears, and whether water was found on the floor, in the tray area, or under the sink.
Model numbers affected
Commonly searched model families include built-in dishwashers, front-control dishwashers, top-control dishwashers, and compact dishwashers.
This is not a confirmed model-number list. Match the exact code to the full model number on the appliance tag before ordering parts, opening panels, or booking service.
Related code pages
Editorial note
This guide is independent educational content. It does not replace the model-specific manual, official manufacturer support, or qualified repair service.