Bosch Dishwasher Error Code E27 – Meaning and Possible Fixes
Bosch Dishwasher Error Code E27
If your Bosch dishwasher displays Error Code E27, it usually indicates that the appliance has detected a problem with the electrical power supply. Bosch dishwashers are designed to operate within a specific voltage range, and if the voltage becomes unstable or too low, the control system may stop the cycle and display the E27 error code.
This error is often related to the power supply rather than a mechanical problem inside the dishwasher.
View all Bosch dishwasher error codes.
What the E27 Error Means
The E27 error code generally indicates that the dishwasher has detected low or unstable voltage from the electrical supply. If the voltage drops below the required level during operation, the dishwasher may pause or cancel the wash cycle.
To protect the internal electronics, the appliance may display the E27 error until a stable power supply is restored.
Common Reasons This Error Appears
Low household voltage
If the electrical supply to your home drops below the normal operating range, the dishwasher may detect this and display the error.
Overloaded electrical circuit
Too many appliances running on the same circuit can cause a temporary voltage drop.
Temporary power fluctuation
Short power interruptions or unstable electricity supply may trigger the error.
Safe Checks You Can Try
Before contacting a technician, there are a few safe checks you can try.
Turn off other appliances
If several appliances are running on the same circuit, try turning some of them off to reduce the electrical load.
Reset the dishwasher
- Turn the dishwasher off using the power button.
- Switch off power at the wall socket or circuit breaker.
- Wait several minutes.
- Restore power and start a new wash cycle.
Check the power outlet
Ensure the dishwasher is properly connected to a functioning power outlet.
If You Need Spare Parts
If you’re confident carrying out the repair yourself, compatible Bosch dishwasher parts are available on Amazon with next day delivery.
Always check your model number before ordering to ensure compatibility.
When To Contact A Professional
If the E27 error continues to appear even when the power supply seems normal, the appliance may require inspection by a qualified appliance technician or electrician.
Electrical components should only be inspected or repaired by trained professionals.
Related Bosch Dishwasher Error Codes
You may also encounter related issues indicated by Bosch Dishwasher Error Code E24, Bosch Dishwasher Error Code E25 and Bosch Dishwasher Error Code E28.
Error code meanings can vary slightly between Bosch models.
Always consult your appliance manual or a qualified technician if the issue persists.
🔧 Need a spare part? Find compatible parts for your appliance on Amazon with next day Prime delivery. Please double-check the part is compatible with your specific model before ordering. Find parts on Amazon
♻️ Not worth repairing? If your appliance has had its day, eco-friendly refurbished appliances are available at Renew 2 U — better for your wallet and the planet.
