Dishwasher shows E30 and will not start or stops with alarm

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

Water in base tray, Faulty safety sensor, Internal leak, Wiring fault to safety circuit

Safety first: Disconnect power and close the water tap.

Check for leaks: Pull the dishwasher out and inspect the floor and base for water.
Drain and dry base: Tilt the appliance carefully to drain water from the base tray, then remove the base panel and dry thoroughly.
Inspect components: Look for obvious leaks from hoses, pumps, or the tub. Repair or replace leaking parts.
Test run: After drying and repairs, run a short cycle while monitoring for further leaks.

Professional Required 5/5

Float Switch Assembly

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