Bosch dishwasher Error Code E02

What does E02 mean?

Water heater not reaching proper temperature.

Common causes

• Failed heating element
• Thermistor issue
• Control board relay

Diagnostic & testing steps

1. 1. Test heating element: 10-20 ohms
2. 2. Check thermistor
3. 3. Test control board relay

Tools required

• Multimeter

OEM parts & part numbers

Heating Element, Thermistor

Part numbers: 00750650, 00428569

Safety warning

⚠️ Disconnect power before testing