Bosch Dishwasher Error Code H01
Water Not Heating
Severity
DIY Difficulty
Est. Cost
$50 - $250
Est. Time
60 min
What Does H01 Mean?
Bosch dishwasher error H01 means water not heating. This is a significant issue with a DIY difficulty of 4/5. Most repairs cost between $50 and $250.
Common Causes
Component wear
This is a potentially significant cause of the H01 error on Bosch dishwashers.
Blockage
This is a potentially significant cause of the H01 error on Bosch dishwashers.
Sensor failure
This is a potentially significant cause of the H01 error on Bosch dishwashers.
Wiring issue
This is a potentially significant cause of the H01 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 H01 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 H01 error meaning (Water Not Heating), 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 H01 error, contact a certified Bosch technician. This repair has a difficulty rating of 4/5 and may require specialized tools.
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