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Robot Mower Bump / Lift Sensors

The following describes how to troubleshoot and diagnose the robot mower bump and lift sensors.
Bump sensors and Lift sensors are integrated into the ball joints that connect to the cover.
Lift sensors are also integrated into the ball joints connecting the cover.

Test the sensor with the diagnostic screen showing.
Note: If the Lift sensor is always on, and the lift sensor alarm is always activated, this means that the Lift sensor Is broken.
To test the Left bump sensor, push the cover on the left side at the front.
The screen should indicate:
Hit : L – 1 R –
To test the Right bump sensor, push the cover on the right side at the front. The screen should indicate:
Hit : L – 0 R – 1
To test the Lift sensor, pull up on the cover at the front.
The screen should indicate:
Lift: 1
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