Dishwasher displays E27, often during power fluctuations or in regions with unstable mains voltage.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Low or high supply voltage, loose connection at the terminal block, undersized wiring, power grid issues.

Safety: Only qualified persons should measure live voltage.

Steps:

Check household voltage: Use a multimeter to verify that the mains voltage is within the range specified on the dishwasher rating plate.
Inspect terminal block: With power off, remove the toe-kick panel and check the connection box. Tighten any loose screws and ensure there are no signs of overheating.
Use a dedicated circuit: Ensure the dishwasher is on its own dedicated circuit with an appropriate breaker size.
Consult electrician: If the voltage is unstable, have a licensed electrician correct the supply issues.

Medium 3/5