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BLTouch v3.1 not deploying after self test


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I am having problems with my new BLTouch, its a v3.1 as opposed to the v2.2 I used previously. When I start the printer (with the hotend lifted) the BLTouch does its self test as expected and glows red (no blue in sight), however, once I try to start printing the pin does not drop and the nozzle crashes into the bed.

can anyone shed some light on the solution to this problem?


Not sure if you got it fixed, but grab the LittleMonsterFW BLv3.0.rar file from here https://github.com/Homers3D/Tevo-Little-Monster
It has updated settings for the newer BLTouch