{"product_id":"ares-mini-3-gimbal-calibration-dji-mini-3-mini-3-pro-gimbal-calibration-software-for-windows-beta","title":"Ares Mini 3 Gimbal Calibration | DJI Mini 3 \/ Mini 3 Pro Gimbal Calibration Software for Windows (Error 40021)","description":"\u003cp\u003e\u003cstrong\u003eARES SOFTWARE — DJI Specialized Diagnostics \u0026amp; Repair Technology\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAfter a gimbal repair or replacement, a DJI Mini 3 \/ Mini 3 Pro can report gimbal error 40021 in DJI Fly until the gimbal is calibrated again. This Windows app runs that calibration from your PC over USB, one guided step at a time, and tells you plainly whether each step finished.\u003c\/p\u003e\u003ch2\u003eError codes\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e40021\u003c\/strong\u003e: Gimbal error shown in DJI Fly after gimbal or camera work. Addressed by the guided Joint Coarse and Linear Hall calibration when it comes from calibration being out of date; if it remains after both steps pass, the cause is outside calibration.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eHow it works\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eConnect the powered Mini 3 \/ Mini 3 Pro to your Windows PC with a USB data cable and open the app.\u003c\/li\u003e\n\u003cli\u003eClick Check setup. The app confirms everything it needs is in place.\u003c\/li\u003e\n\u003cli\u003eClick Run Joint Coarse, then Run Linear Hall. The second step only unlocks after the first one passes.\u003c\/li\u003e\n\u003cli\u003eFinish in DJI Fly: run its gimbal auto calibration and confirm the message is gone.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eWhat you get\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWindows app built for the DJI Mini 3 \/ Mini 3 Pro only (the model is fixed in the app), version 0.1.1\u003c\/li\u003e\n\u003cli\u003eOpens directly: no activation code, key, account or sign-in\u003c\/li\u003e\n\u003cli\u003eThe calibration engine and USB runtime are included; nothing else to install\u003c\/li\u003e\n\u003cli\u003eStep-by-step user guide with real Windows screenshots (installation, USB driver, each step, results, troubleshooting)\u003c\/li\u003e\n\u003cli\u003eOne-click support log export for troubleshooting\u003c\/li\u003e\n\u003cli\u003eThird-party licenses and the engine's complete source code (GPL v3) in the package\u003c\/li\u003e\n\u003cli\u003eEmail support from Ares Acres (brandon@aresacres.com)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat you need\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA Windows 10 or 11 PC (64-bit). Nothing else to install.\u003c\/li\u003e\n\u003cli\u003eA USB data cable (not a charge-only cable).\u003c\/li\u003e\n\u003cli\u003ePossibly a one-time USB driver setup; the guide shows how, and the app tells you if it is needed.\u003c\/li\u003e\n\u003cli\u003eDJI Fly on your phone or remote for the final checks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDelivery and support\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDigital download only: nothing is shipped.\u003c\/li\u003e\n\u003cli\u003eAfter purchase Ares Acres emails a download link for the Mini 3 \/ Mini 3 Pro package (a ZIP file with the app, the user guide and the license files).\u003c\/li\u003e\n\u003cli\u003eUnzip it to a folder on your PC and double-click AresMini3Gimbal.exe. Windows SmartScreen may ask you to confirm the first start (More info, then Run anyway).\u003c\/li\u003e\n\u003cli\u003eSupport: email brandon@aresacres.com with your order number and the exported report or support log.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePlease read before buying\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNo guarantee that error 40021 clears. If both calibration steps pass and the error stays, the cause is outside calibration (a damaged part, a cable, or a camera and main board that do not match).\u003c\/li\u003e\n\u003cli\u003eIt does not update or change firmware and cannot fix damaged motors, cables or circuit boards.\u003c\/li\u003e\n\u003cli\u003eHardware not yet verified by Ares: it passes Ares's automated Windows, simulation and failure-handling tests, but it has not yet been run on a physical Mini 3 \/ Mini 3 Pro by Ares.\u003c\/li\u003e\n\u003cli\u003eFor the DJI Mini 3 \/ Mini 3 Pro only. Not an official DJI product.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuestions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDoes it fix the error for sure?\u003c\/strong\u003e No. It runs the gimbal calibration. If error 40021 came from the calibration being out of date after a repair, calibration is the step that addresses it. If the error remains after both steps pass, something else needs repair.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes a PASS in simulation mean my aircraft is calibrated?\u003c\/strong\u003e No. The built-in simulation mode (used for Ares's own testing and the guide's screenshots) is clearly marked SIMULATION and sends nothing to a drone. Only a PASS with your aircraft connected means the calibration ran on it, and even then it is not proof that the hardware is sound.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHas it been tested on a real aircraft?\u003c\/strong\u003e Not yet by Ares. Every release passes automated Windows tests, a full simulation and failure tests (disconnects, time-outs, wrong answers), but physical Mini 3 \/ Mini 3 Pro compatibility is not yet verified.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need internet, a key or an account?\u003c\/strong\u003e No. Ares delivers the Windows application directly. It opens without an activation code, account or internet connection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I get it?\u003c\/strong\u003e After purchase Ares Acres emails the download link for the Mini 3 \/ Mini 3 Pro application and its guide.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it work for another DJI model?\u003c\/strong\u003e No. Each app is built for one aircraft. This one is for the DJI Mini 3 \/ Mini 3 Pro.\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eDJI Mini 3 \/ Mini 3 Pro gimbal calibration; DJI Mini 3 \/ Mini 3 Pro gimbal error 40021; Mini 3 \/ Mini 3 Pro Joint Coarse Linear Hall; Mini 3 \/ Mini 3 Pro gimbal repair software Windows; Ares Software\u003c\/small\u003e\u003c\/p\u003e","brand":"Ares Acres","offers":[{"title":"Default Title","offer_id":68047687844160,"sku":"ARES-MINI3-GIMBAL-SW-BETA","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/0159\/0848\/files\/ares-mini3-01_hero.png?v=1794095383","url":"https:\/\/aresacres.com\/products\/ares-mini-3-gimbal-calibration-dji-mini-3-mini-3-pro-gimbal-calibration-software-for-windows-beta","provider":"Ares Acres","version":"1.0","type":"link"}