{"action":"closed","issue":{"url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/5009","repository_url":"https://api.github.com/repos/MarlinFirmware/Marlin","labels_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/5009/labels{/name}","comments_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/5009/comments","events_url":"https://api.github.com/repos/MarlinFirmware/Marlin/issues/5009/events","html_url":"https://github.com/MarlinFirmware/Marlin/issues/5009","id":182539748,"number":5009,"title":"Homing Bump / BLTouch (G28, G29, M48)","user":{"login":"gcormier","id":8388983,"avatar_url":"https://avatars.githubusercontent.com/u/8388983?v=3","gravatar_id":"","url":"https://api.github.com/users/gcormier","html_url":"https://github.com/gcormier","followers_url":"https://api.github.com/users/gcormier/followers","following_url":"https://api.github.com/users/gcormier/following{/other_user}","gists_url":"https://api.github.com/users/gcormier/gists{/gist_id}","starred_url":"https://api.github.com/users/gcormier/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gcormier/subscriptions","organizations_url":"https://api.github.com/users/gcormier/orgs","repos_url":"https://api.github.com/users/gcormier/repos","events_url":"https://api.github.com/users/gcormier/events{/privacy}","received_events_url":"https://api.github.com/users/gcormier/received_events","type":"User","site_admin":false},"labels":[{"id":91739409,"url":"https://api.github.com/repos/MarlinFirmware/Marlin/labels/Bug:%20Potential%20?","name":"Bug: Potential ?","color":"eb6420","default":false},{"id":170818118,"url":"https://api.github.com/repos/MarlinFirmware/Marlin/labels/Needs:%20Feedback","name":"Needs: Feedback","color":"fbca04","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":13,"created_at":"2016-10-12T14:25:15Z","updated_at":"2016-11-12T19:57:30Z","closed_at":"2016-11-12T19:57:30Z","body":"Continuation of PR #4002\n\nBehavior I am seeing\n\n**Configuration 1**\n\n``` cpp\n#define Z_CLEARANCE_DEPLOY_PROBE    5 // Z Clearance for Deploy/Stow\n#define Z_CLEARANCE_BETWEEN_PROBES  5 // Z Clearance between probe points\n...\n#define Z_HOME_BUMP_MM 2\n```\n\n_G28 works correctly. Plate strikes on G29/M48._\n\n**Configuration 2**\n\n``` cpp\n#define Z_CLEARANCE_DEPLOY_PROBE    5 // Z Clearance for Deploy/Stow\n#define Z_CLEARANCE_BETWEEN_PROBES  5 // Z Clearance between probe points\n...\n#define Z_HOME_BUMP_MM 5\n```\n\n_All three function correctly, with enough clearance before pin is deployed._\n\nHowever, according to the code\n\n``` cpp\n#if HOMING_Z_WITH_PROBE\n  (axis == Z_AXIS) ? max(Z_CLEARANCE_BETWEEN_PROBES, home_bump_mm(Z_AXIS)) :\n#endif\n```\n\nThis shouldn't be the case. From my understanding, the value used in the code should be 5.\n"}}
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