Bosch · Dishwasher error code

E15 / E3100Water in base - leak protection active

Cross-checked Power off, standard tools

Unlock what this code means, its causes, tests and parts

Full library + AI assistant for $34.90, one time.

OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.

Related diagnostic guides

Guide · Dishwasher

Bosch E15: leak tray flooded

E15 means water is in the base pan and the float is up. Dry the pan, reset the float, then find the leak - otherwise it comes back.

4 steps ~60 minmoderate

Guide · Dishwasher

Dishwasher leaking

Rule out suds and loading, then inspect door gasket, inlet valve/fitting, pump seals and hoses. Leak codes mean water is already in the base pan.

3 steps ~60 minmoderate

Guide · Dishwasher

Dishwasher not filling

Confirm supply and hose first, then inlet screen and valve, then float/flow sensing and door latch.

4 steps ~45 minmoderate

More Bosch dishwasher codes

Bosch · Dishwasher

E01 / E0100

Control board fault (pump/heater circuit)

Cross-checked

Bosch · Dishwasher

E02 / E0103

Control board relay fault

Cross-checked

Bosch · Dishwasher

E03

Control board relay fault

Cross-checked

Bosch · Dishwasher

E04 / E0105

Heating electronics fault

Cross-checked

Bosch · Dishwasher

E05 / E0106

Diverter circuit fault (per Bosch)

Single source

Bosch · Dishwasher

E06 / E8000

Door sensor circuit fault

Cross-checked