# The cutting head cannot be controlled,and the indicator light of the level adjuster does not flicker

**URL:** <https://forum.cloudray.com/t/the-cutting-head-cannot-be-controlled-and-the-indicator-light-of-the-level-adjuster-does-not-flicker/193>\
**Category:** FAQ\
**Created:** [April 5, 2021, 6:27am UTC](https://forum.cloudray.com/t/the-cutting-head-cannot-be-controlled-and-the-indicator-light-of-the-level-adjuster-does-not-flicker/193 "2021-04-05T06:27:45Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Technician](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.cloudray.com/technician/32/15_2.png) [@Technician](https://forum.cloudray.com/u/Technician)\
**Post date:** [April 5, 2021, 6:27am UTC](https://forum.cloudray.com/t/the-cutting-head-cannot-be-controlled-and-the-indicator-light-of-the-level-adjuster-does-not-flicker/193/1 "2021-04-05T06:27:45Z")

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1.Possible cause analysis of failure:Too much system interference,machine is not properly grounded or the level adjuster is broken.  
2.Solution:Good grounding of the machine,the elevation box and the machine body for insulation installation.