# Erratic Cutting Lines? **URL:** \ **Category:** Software Issues\ **Created:** [August 7, 2026, 1:46am UTC](https://forum.yarbo.com/t/erratic-cutting-lines/7171 "2026-08-07T01:46:42Z")\ **Posts on this page:** 10\ **Page:** 1
**Author:** ![evila10](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.yarbo.com/evila10/32/7085_2.png) [@evila10](https://forum.yarbo.com/u/evila10)\ **Post date:** [August 7, 2026, 1:46am UTC](https://forum.yarbo.com/t/erratic-cutting-lines/7171/1 "2026-08-07T01:46:42Z")
Anyone got an ideas on why my Yarbo Pro Lawn Mower is mowing like it’s been drinking PBRs all day? It’s a soccer field with no obstacles or obstructions on it. See pics. Maybe a sensor or setting that I need to adjust? ![DJI_0097](https://canada1.discourse-cdn.com/flex007/uploads/yarbo/original/2X/b/b407d5c5257cb7e8572e467a037a7e7e57000b68.jpeg) ![DJI_0096](https://canada1.discourse-cdn.com/flex007/uploads/yarbo/original/2X/2/27b29e9f065cd31fcf111623caecc259f5510c79.jpeg) ![DJI_0090](https://canada1.discourse-cdn.com/flex007/uploads/yarbo/original/2X/8/8f1382b7499fa19c7623e9ceb710e2ec4e89ac33.jpeg) ![DJI_0088](https://canada1.discourse-cdn.com/flex007/uploads/yarbo/original/2X/4/4c448940241c7a3de51faa20a0ee0eb4c234f002.jpeg) ---
**Author:** ![bryan.wheeler](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.yarbo.com/bryan.wheeler/32/215_2.png) [@bryan.wheeler](https://forum.yarbo.com/u/bryan.wheeler)\ **Post date:** [August 7, 2026, 1:53am UTC](https://forum.yarbo.com/t/erratic-cutting-lines/7171/2 "2026-08-07T01:53:37Z")
What is your obstacle avoidance mode? Looks like it is avoiding things using vision. Switch to gentle contact (bumper only) mode and see if it stops doing this. Make sure there are NGZ’s around anything you don’t want it to bump into or back into. ---
**Author:** ![Yarbo-Forum](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.yarbo.com/yarbo-forum/32/126_2.png) [@Yarbo-Forum](https://forum.yarbo.com/u/Yarbo-Forum)\ **Post date:** [August 7, 2026, 5:54am UTC](https://forum.yarbo.com/t/erratic-cutting-lines/7171/3 "2026-08-07T05:54:57Z")
Based on the lines shown in the picture, it does look like Yarbo may be avoiding something, which is causing the abnormal mowing pattern. From your picture, the lawn appears to be flat and free of visible obstacles. You can try changing the obstacle avoidance mode to **Gentle Contact** and disabling the ultrasonic sensors to see if this helps Yarbo perform better. Please also make sure that any areas that need protection are properly set as **No-Go Zones**. If you continue to observe abnormal behavior after trying these adjustments, feel free to submit a support ticket. ---
**Author:** ![ben.karrow](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.yarbo.com/ben.karrow/32/3989_2.png) [@ben.karrow](https://forum.yarbo.com/u/ben.karrow)\ **Post date:** [August 7, 2026, 9:35am UTC](https://forum.yarbo.com/t/erratic-cutting-lines/7171/4 "2026-08-07T09:35:06Z")
Looks like the false positive bug to me. Those big wide loops are the giveaway. ---
**Author:** ![rgloverii](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.yarbo.com/rgloverii/32/956_2.png) [@rgloverii](https://forum.yarbo.com/u/rgloverii)\ **Post date:** [August 7, 2026, 1:11pm UTC](https://forum.yarbo.com/t/erratic-cutting-lines/7171/5 "2026-08-07T13:11:20Z")
Yarbo should use **THOSE** pics in their marketing campaigns! 🤣 ---
**Author:** ![bryan.wheeler](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.yarbo.com/bryan.wheeler/32/215_2.png) [@bryan.wheeler](https://forum.yarbo.com/u/bryan.wheeler)\ **Post date:** [August 7, 2026, 1:34pm UTC](https://forum.yarbo.com/t/erratic-cutting-lines/7171/6 "2026-08-07T13:34:02Z")
It was avoiding the soccer balls! ![Gooooal GIFs | Tenor](https://canada1.discourse-cdn.com/flex007/uploads/yarbo/original/2X/4/49daea640ed43af62624f93266d80fa03bd6a672.gif) ---
**Author:** ![evila10](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.yarbo.com/evila10/32/7085_2.png) [@evila10](https://forum.yarbo.com/u/evila10)\ **Post date:** [August 7, 2026, 1:47pm UTC](https://forum.yarbo.com/t/erratic-cutting-lines/7171/7 "2026-08-07T13:47:53Z")
Thanks for the response, I’ll try that. Also related to this same issue (erratic cutting lines), the lighter green stripes were “no-cut” passes. Any reason why it would skip a lane? As you can see from the pictures, it happened several times and it appears that the “detours” that you can see in some of the tracks happen at those “no-cut” passes. It was like the vision sensor was detecting the uncut lane as an “obstacle” and tried to go around it. ---
**Author:** ![bryan.wheeler](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.yarbo.com/bryan.wheeler/32/215_2.png) [@bryan.wheeler](https://forum.yarbo.com/u/bryan.wheeler)\ **Post date:** [August 7, 2026, 2:29pm UTC](https://forum.yarbo.com/t/erratic-cutting-lines/7171/8 "2026-08-07T14:29:13Z")
Do you have PPVS under settings, Yarbo Labs enabled or disabled? ---
**Author:** ![evila10](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.yarbo.com/evila10/32/7085_2.png) [@evila10](https://forum.yarbo.com/u/evila10)\ **Post date:** [August 7, 2026, 3:56pm UTC](https://forum.yarbo.com/t/erratic-cutting-lines/7171/9 "2026-08-07T15:56:09Z")
![IMG_5971](https://canada1.discourse-cdn.com/flex007/uploads/yarbo/original/2X/0/0b7ab8edd387196b04c3f9aa405c41462c68c424.jpeg) ---
**Author:** ![bryan.wheeler](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.yarbo.com/bryan.wheeler/32/215_2.png) [@bryan.wheeler](https://forum.yarbo.com/u/bryan.wheeler)\ **Post date:** [August 7, 2026, 4:08pm UTC](https://forum.yarbo.com/t/erratic-cutting-lines/7171/10 "2026-08-07T16:08:18Z")
Ok, good. It might just be the obstacle avoidance then. Try the gentle contact (bumper only mode) and see if that helps solve both issues.