Hecht Rain Sensor Not Responding

Robot mower does not detect rain; continues mowing in heavy rain despite rain sensor feature.

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

Rain sensor disabled in settings, Faulty rain sensor board, Disconnected sensor cable, Contaminated sensor surface

Safety first: Turn OFF the mower before changing settings or opening covers.

Check settings: In the menu, ensure the rain sensor function is enabled.
Clean sensor area: Wipe the rain sensor window or area on the top cover with a damp cloth to remove dirt or wax.
Test with water: Lightly sprinkle water on the sensor area and see if the mower reacts (stops or returns to base) according to the manual.
If no response: The Rain Sensor Board or its cable may be faulty and should be replaced.

Medium 3/5

Rain Sensor Board

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