Bosch Dishwasher Error Code E27
Low Voltage Error
Severity
DIY Difficulty
Est. Cost
$0 - $200
Est. Time
30 min
What Does E27 Mean?
Bosch dishwasher error E27 means low voltage error. This is a significant issue with a DIY difficulty of 5/5. Most repairs cost between $0 and $200.
Common Causes
Component wear
This is a potentially significant cause of the E27 error on Bosch dishwashers.
Blockage
This is a potentially significant cause of the E27 error on Bosch dishwashers.
Sensor failure
This is a potentially significant cause of the E27 error on Bosch dishwashers.
Wiring issue
This is a potentially significant cause of the E27 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 E27 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 E27 error meaning (Low Voltage 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 E27 error, contact a certified Bosch technician. This repair has a difficulty rating of 5/5 and may require specialized tools.
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