{"action":"created","issue":{"url":"https://api.github.com/repos/prusa3d/Prusa-Firmware/issues/1651","repository_url":"https://api.github.com/repos/prusa3d/Prusa-Firmware","labels_url":"https://api.github.com/repos/prusa3d/Prusa-Firmware/issues/1651/labels{/name}","comments_url":"https://api.github.com/repos/prusa3d/Prusa-Firmware/issues/1651/comments","events_url":"https://api.github.com/repos/prusa3d/Prusa-Firmware/issues/1651/events","html_url":"https://github.com/prusa3d/Prusa-Firmware/issues/1651","id":422705371,"node_id":"MDU6SXNzdWU0MjI3MDUzNzE=","number":1651,"title":"[3.7.0-RC1] Repeated enforced Z calibration during 7x7 bed leveling","user":{"login":"sgoll","id":1277035,"node_id":"MDQ6VXNlcjEyNzcwMzU=","avatar_url":"https://avatars0.githubusercontent.com/u/1277035?v=4","gravatar_id":"","url":"https://api.github.com/users/sgoll","html_url":"https://github.com/sgoll","followers_url":"https://api.github.com/users/sgoll/followers","following_url":"https://api.github.com/users/sgoll/following{/other_user}","gists_url":"https://api.github.com/users/sgoll/gists{/gist_id}","starred_url":"https://api.github.com/users/sgoll/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sgoll/subscriptions","organizations_url":"https://api.github.com/users/sgoll/orgs","repos_url":"https://api.github.com/users/sgoll/repos","events_url":"https://api.github.com/users/sgoll/events{/privacy}","received_events_url":"https://api.github.com/users/sgoll/received_events","type":"User","site_admin":false},"labels":[{"id":329321746,"node_id":"MDU6TGFiZWwzMjkzMjE3NDY=","url":"https://api.github.com/repos/prusa3d/Prusa-Firmware/labels/bug","name":"bug","color":"fc2929","default":true}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":55,"created_at":"2019-03-19T12:30:16Z","updated_at":"2019-03-30T12:07:15Z","closed_at":null,"author_association":"NONE","body":"Since 3.7.0-RC1 I am using the new 7x7 mesh bed leveling (with 5 measurements per position). Now I have the problem that intermittently the bed leveling done before each print detects some problem, runs the enforced Z calibration and then re-runs the bed leveling.\r\n\r\nSometimes, this Z calibration is enforced a second or third time before finally the bed leveling succeeds.\r\n\r\nThis also happens when nothing at all was changed: the printer was switched on all the time (so no skip in the Z steppers occurred) and the steel sheet was not replaced (so it should still be aligned just like in the first run of the mesh bed leveling).\r\n\r\nWhen is the Z calibration enforced? Is there some setting to tune down the sensitivity?"},"comment":{"url":"https://api.github.com/repos/prusa3d/Prusa-Firmware/issues/comments/478239732","html_url":"https://github.com/prusa3d/Prusa-Firmware/issues/1651#issuecomment-478239732","issue_url":"https://api.github.com/repos/prusa3d/Prusa-Firmware/issues/1651","id":478239732,"node_id":"MDEyOklzc3VlQ29tbWVudDQ3ODIzOTczMg==","user":{"login":"sgoll","id":1277035,"node_id":"MDQ6VXNlcjEyNzcwMzU=","avatar_url":"https://avatars0.githubusercontent.com/u/1277035?v=4","gravatar_id":"","url":"https://api.github.com/users/sgoll","html_url":"https://github.com/sgoll","followers_url":"https://api.github.com/users/sgoll/followers","following_url":"https://api.github.com/users/sgoll/following{/other_user}","gists_url":"https://api.github.com/users/sgoll/gists{/gist_id}","starred_url":"https://api.github.com/users/sgoll/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sgoll/subscriptions","organizations_url":"https://api.github.com/users/sgoll/orgs","repos_url":"https://api.github.com/users/sgoll/repos","events_url":"https://api.github.com/users/sgoll/events{/privacy}","received_events_url":"https://api.github.com/users/sgoll/received_events","type":"User","site_admin":false},"created_at":"2019-03-30T12:07:15Z","updated_at":"2019-03-30T12:07:15Z","author_association":"NONE","body":"@PavelSindler I have now run five or six prints with your firmware and have not seen any issues with the mesh bed leveling. Twice the leveling stumbled and took longer to complete but that would be your workaround, I guess.\r\n\r\nThe only thing that's somewhat annoying is that the firmware keeps reminding me at the start of every print that I should upgrade to version 3.6.0 but I think I can get rid of that in the start G-code."}}
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