Bosch Dishwasher Error Code E01

What Does Error Code E01 Mean on a Bosch Dishwasher?

Heating element or NTC sensor failure — water not heating.

The dishwasher cannot heat water to the target temperature. The heating element or the temperature sensor monitoring it has failed. Dishes will not be properly sanitized.

What Causes Error Code E01?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

1. 1
   Heating element open circuit 55% of cases
2. 2
   NTC temperature sensor failure 30% of cases
3. 3
   Heater relay on control board failed 15% of cases

How to Fix Bosch Dishwasher Error Code E01

1. 1

   Test the heating element

   Access from under the dishwasher. Disconnect element terminals. Should read 15–25 ohms. Open circuit = element failure.

   🔩 Multimeter 🔩 Bosch heating element ($40–$90)
2. 2

   Test the NTC sensor

   At room temperature: approximately 6k–7k ohms.

   🔩 NTC sensor ($15–$40)
3. 3

   Replace failed component

   Install new element or sensor as needed.

How to Reset Error Code E01

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

When to Call a Professional

Same Code on Other Brands

Error code E01 appears on these other brands too. Click to compare:

Broan-NuTone Range Hood E01

Fan motor overload — motor drawing excess current

Find Replacement Parts

Use these links to find the exact replacement parts for your Bosch Dishwasher:

External links — ApplianceErrors.com is not affiliated with these retailers.

Frequently Asked Questions