# Holybro - Pixhawk4 mini QGC do not arm motors

**URL:** <https://discuss.px4.io/t/holybro-pixhawk4-mini-qgc-do-not-arm-motors/17236>\
**Category:** PX4 Autopilot\
**Created:** [June 18, 2020, 7:39am UTC](https://discuss.px4.io/t/holybro-pixhawk4-mini-qgc-do-not-arm-motors/17236 "2020-06-18T07:39:51Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Mauro\_Gatti](https://discuss.px4.io/letter_avatar_proxy/v4/letter/m/e79b87/32.png) [@Mauro\_Gatti](https://discuss.px4.io/u/Mauro_Gatti)\
**Post date:** [June 18, 2020, 7:39am UTC](https://discuss.px4.io/t/holybro-pixhawk4-mini-qgc-do-not-arm-motors/17236/1 "2020-06-18T07:39:52Z")

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Hi guys, good morning everybody!  
I need help for my first multirotor. I bought a Holybro QAV250 kit with Pixhawk4 mini. I mount all stuffs but i can not arm the motors. QGC ask me safaty switch (not assign in order to use radio gesture : throttle down+right) and GPS error (but i have green light on the GPS that set).  
Other issue is related to QCG that can not calibrate esc and battery (battery full but it say battery too low!?) . Someone can help me? 🙂

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**Author:** ![pxflyer](https://discuss.px4.io/letter_avatar_proxy/v4/letter/p/839c29/32.png) [@pxflyer](https://discuss.px4.io/u/pxflyer)\
**Post date:** [June 18, 2020, 1:57pm UTC](https://discuss.px4.io/t/holybro-pixhawk4-mini-qgc-do-not-arm-motors/17236/2 "2020-06-18T13:57:02Z")

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The safety switch is located on the GPS receiver, press it and you should be able to arm. Make sure your battery settings are correct in QGC.