Four vertical LEDs steadily lit

The duration indicators and Clean light together; Bosch lists drain or supply checks, including conditions it calls not an appliance error.

What it means

The duration indicators and Clean light together; Bosch lists drain or supply checks, including conditions it calls not an appliance error.

This explanation is shared only by models whose manufacturer documents the same code, meaning, and guidance.

Check the disposal plug, drain hose and pump cover as applicable.
Inspect the inlet, faucet and filter by the manual's safe procedure; avoid naming a failed component from this light pattern.

Manufacturer source

Select your exact model below to open its manufacturer source. Manual editions and model revisions can differ.

If there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.