Robot mower displays E19 and stops when approaching narrow passages.

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

Dirty ultrasonic sensor lenses, Sensor module misaligned, Damaged sensor cable, Faulty ultrasonic sensor board

Safety first: Turn OFF the mower before cleaning sensors.

Clean sensors: Locate the ultrasonic or proximity sensors on the front/top of the mower. Gently clean the lenses with a soft, damp cloth.
Check for damage: Ensure the sensor housings are not cracked or pushed in from impacts.
Inspect wiring: Open the cover and trace the sensor cable to the main board. Reseat the connector.
Test in open area: Operate the mower in a wide, obstacle‑free area. If E19 still appears, the sensor module may need replacement.

Medium 3/5

Ultrasonic Sensor Module

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