Bosch Dishwasher Error Code E27: How to Fix It

Q: What does error code E27 mean on a Bosch dishwasher?

Error code E27 indicates that your Bosch dishwasher is detecting low voltage from the power supply. This means the electrical current reaching the dishwasher is insufficient for proper operation.

Q: Can I fix Bosch dishwasher error E27 myself?

You can perform basic troubleshooting like checking the power outlet, resetting the dishwasher, and inspecting the power cord. However, internal electrical work should be left to qualified technicians.

Q: How do I reset my Bosch dishwasher to clear error E27?

Hold the Start button for 3-5 seconds, or turn off the circuit breaker for 5 minutes then turn it back on. You can also unplug the dishwasher for 5 minutes before plugging it back in.

Q: Why does my Bosch dishwasher keep showing E27 error?

Recurring E27 errors typically indicate a persistent electrical issue such as inadequate home voltage, damaged wiring, loose connections, or a failing control board that needs professional attention.

Q: Is it safe to use my Bosch dishwasher with error E27?

No, you should not use the dishwasher when error E27 appears. Low voltage can damage electrical components and create safety hazards. Resolve the electrical issue before operating the appliance.

Abstract

Bosch dishwasher error code E27 indicates that the control system is detecting insufficient voltage from your home's power supply. This electrical issue can prevent your dishwasher from operating properly and may be caused by problems with the power outlet, wiring connections, or the dishwasher's internal electrical components.