Bosch Error Codes

What each Bosch appliance error code means, the usual cause, and the fix. Always unplug the appliance before inspecting parts.

Bosch Dishwasher error codes

A spray arm diverter problem.

Cause: Faulty diverter valve.

Fix: Have the diverter checked.

The heating element is not working.

Cause: Failed heater or heater wiring.

Fix: A technician should test the heater pump.

The anti-flood system detected water in the base pan.

Cause: Leaking hose, door seal, or excess suds.

Fix: Unplug, tilt the dishwasher back slightly to drain the base, find the leak source, and use dishwasher detergent only.

The wash pump is blocked or failed.

Cause: Debris jamming the pump, failed pump.

Fix: Clean the filter and sump; if persistent, replace the pump.

The filter is blocked.

Cause: Food debris in the filter.

Fix: Remove and clean the filter and sump.

Water is not draining from the tub.

Cause: Clogged filter, kinked drain hose, garbage disposal knockout plug.

Fix: Clean the filter, check the drain hose, and clear the disposal inlet.

The drain pump is obstructed.

Cause: Debris in the pump cover under the filter.

Fix: Remove the filter, lift the pump cover, and clear glass or debris.