# Whirlpool dishwashers and KitchenAid dishwashers error codes

URL: https://costolio.com/home/appliances/whirlpool/whirlpool-dishwashers/
Updated: 2026-11-02

# Whirlpool dishwashers and KitchenAid dishwashers error codes

5 dishwasher error codes for Whirlpool dishwashers, what each one means and what to try, paraphrased from Whirlpool's own source. Codes vary by model, so confirm in your own manual.

## All codes

- [F8E4](https://costolio.com#f8e4) Water detected in the drip tray.
- [F7E2](https://costolio.com#f7e2) Wash motor error.
- [F9E1](https://costolio.com#f9e1) Long drain: the dishwasher is not draining.
- [F6E1](https://costolio.com#f6e1) User interface / main control error.
- [H20](https://costolio.com#h20) No water is being detected.

## F8E4

What it means: Water detected in the drip tray. You can usually fix this yourself.

### What to try

- Empty the drip tray.
- Make sure the float switch is connected.
- Look for leaks at the water connections.

## F7E2

What it means: Wash motor error. This one often needs a licensed technician.

### What to try

- Power cycle it.
- If the error code returns, schedule service.

## F9E1

What it means: Long drain: the dishwasher is not draining. You can usually fix this yourself.

### What to try

- Remove and rinse the filter.
- Check the drain hose to the sink for kinks or clogs.
- If it drains into a disposer, clear it and make sure the knockout plug was removed on new installs.
- Clear the air gap if you have one.

## F6E1

What it means: User interface / main control error. This one often needs a licensed technician.

### What to try

- Cut power for 30 seconds, then restore it.
- If the code returns, schedule service.

## H20

What it means: No water is being detected. You can usually fix this yourself.

### What to try

- Make sure the water supply to the dishwasher is on.
- Check the supply hose for kinks.

### Source

- [Reading and Understanding Whirlpool Dishwasher Error Codes (Whirlpool Product Help)](https://producthelp.whirlpool.com/Dishwashers/Product_Info/Dishwasher_Product_Assistance/Dishwasher_Error_Codes_-_Reading) (checked 2026-11-02)

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