Bosch Dishwasher Error Code E01
Heater Relay Error
Severity
DIY Difficulty
Est. Cost
$100 - $350
Est. Time
60 min
What Does E01 Mean?
Bosch dishwasher error E01 means heater relay error. This is a serious issue with a DIY difficulty of 5/5. Most repairs cost between $100 and $350.
Common Causes
Component failure
This is a potentially significant cause of the E01 error on Bosch dishwashers.
Major blockage
This is a potentially significant cause of the E01 error on Bosch dishwashers.
Electrical issue
This is a potentially significant cause of the E01 error on Bosch dishwashers.
Water damage
This is a potentially significant cause of the E01 error on Bosch dishwashers.
Step-by-Step Fix
Power cycle the appliance
Unplug your Bosch dishwasher for 60 seconds, then plug it back in. This clears temporary errors and resets the control board.
Check for obvious issues
Inspect your dishwasher for any visible problems such as loose connections, blockages, or unusual sounds. Many E01 errors on Bosch units are caused by simple issues.
Run a diagnostic cycle
Many Bosch dishwashers have a built-in diagnostic mode. Check your user manual for the specific key combination to enter diagnostics on your model.
Test related components
Based on the E01 error meaning (Heater Relay Error), check the specific components involved. Use a multimeter to test for continuity if you are comfortable with electrical testing.
Contact a professional
If the above steps do not resolve the E01 error, contact a certified Bosch technician. This repair has a difficulty rating of 5/5 and may require specialized tools.
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