{"product_id":"src-mad-932-9x-12-drone-arm-set","title":"MAD 9x-12 Drone Arm Set Coaxial Propulsion System: M9C12 100KV, Circular 60A FOC ESC, 30x10 Prop","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMAD 9x-12 is a drone arm set designed as an upper and lower coaxial structure power system for multirotor aircraft. It is developed for a single axle load of 4.5–6 kg, focusing on force efficiency, safety, and endurance under extreme conditions, and is suitable for aircraft using a 30 mm diameter carbon tube.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated propulsion system\u003c\/strong\u003e with single-arm modular design for convenient installation and a reliable structure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc motor design\u003c\/strong\u003e (M9C12) with iron-core design and EZO bearings (Japan) and assembly technology intended to reduce axial\/radial clearance for stable operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntelligent sine-wave electric modulation\u003c\/strong\u003e using a Circular 60A FOC intelligent electric regulator with protections including over-voltage, over-current, over-temperature, locked rotor, short circuit, and motor disconnection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed\/green LED heading light\u003c\/strong\u003e integrated at the bottom of the power pack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon fiber propeller\u003c\/strong\u003e (Fluxer 30x10.0 Pro) with mirror light treatment process and dynamic balance design.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor pre-sales compatibility checks (Ardupilot\/DroneCAN integration, wiring length, 30 mm tube fitment) or after-sales support, contact \u003ca href=\"https:\/\/rcdrone.top\/\"\u003ehttps:\/\/rcdrone.top\/\u003c\/a\u003e or email \u003ca href=\"mailto:support@rcdrone.top\"\u003esupport@rcdrone.top\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ch3\u003eSystem (9X12 KV100)\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax thrust\u003c\/td\u003e\n\u003ctd\u003e11952 g \/ rotor @48v (sea level)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended take-off weight\u003c\/td\u003e\n\u003ctd\u003e4400 g–6200 g \/ rotor @48v (sea level)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended voltage\u003c\/td\u003e\n\u003ctd\u003e12S Lipo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-20~60C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit combo weight\u003c\/td\u003e\n\u003ctd\u003e830 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtension wire length\u003c\/td\u003e\n\u003ctd\u003e1300 mm \/ 1300 mm (Input\/Signal Wires)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible carbon tube\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003ePropeller\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter \/ pitch\u003c\/td\u003e\n\u003ctd\u003e30x10.0 inch (762x254 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit weight\u003c\/td\u003e\n\u003ctd\u003e93 g (p\/p)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eMotor\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStator size\u003c\/td\u003e\n\u003ctd\u003e91x12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit weight\u003c\/td\u003e\n\u003ctd\u003e483 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eFOC ESC\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel name\u003c\/td\u003e\n\u003ctd\u003eCircular 60A FOC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax input voltage\u003c\/td\u003e\n\u003ctd\u003e60.9 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum allowable current\u003c\/td\u003e\n\u003ctd\u003e60A (10S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum continuous current\u003c\/td\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax throtle signal frequency\u003c\/td\u003e\n\u003ctd\u003e450 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended voltage\u003c\/td\u003e\n\u003ctd\u003e12S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eArdupilot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCAN communication\u003c\/td\u003e\n\u003ctd\u003eDroneCan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eProduct drawing (dimensions)\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall propeller span\u003c\/td\u003e\n\u003ctd\u003e813.70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\/module diameter\u003c\/td\u003e\n\u003ctd\u003eØ98.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule length\u003c\/td\u003e\n\u003ctd\u003e63.05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVertical dimension\u003c\/td\u003e\n\u003ctd\u003e75.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVertical dimension\u003c\/td\u003e\n\u003ctd\u003e25.85\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube clamp height\u003c\/td\u003e\n\u003ctd\u003e39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible tube diameter\u003c\/td\u003e\n\u003ctd\u003eØ30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting pattern\u003c\/td\u003e\n\u003ctd\u003eØ23-M4*4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting pattern\u003c\/td\u003e\n\u003ctd\u003eØ20-M3*4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eBenchmark (12S)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eSetup:\u003c\/strong\u003e MAD 9X12 100KV + FLUXER PRO 30x10 MATT + Circular FOC 60A (6-14S)    \u003cstrong\u003eMAX:\u003c\/strong\u003e 81C\u003c\/p\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eThrottle [%]\u003c\/th\u003e\n\u003cth\u003eVoltage [V]\u003c\/th\u003e\n\u003cth\u003eCurrent [A]\u003c\/th\u003e\n\u003cth\u003eInput Power [W]\u003c\/th\u003e\n\u003cth\u003eOutput Power [W]\u003c\/th\u003e\n\u003cth\u003eTorque [N×m]\u003c\/th\u003e\n\u003cth\u003eRPM\u003c\/th\u003e\n\u003cth\u003eThrust [gf]\u003c\/th\u003e\n\u003cth\u003eEfficiency [%]\u003c\/th\u003e\n\u003cth\u003eEfficiency [gf\/W]\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e48.76\u003c\/td\u003e\n\u003ctd\u003e2.38\u003c\/td\u003e\n\u003ctd\u003e116.0\u003c\/td\u003e\n\u003ctd\u003e85.8\u003c\/td\u003e\n\u003ctd\u003e0.576\u003c\/td\u003e\n\u003ctd\u003e1422\u003c\/td\u003e\n\u003ctd\u003e1722\u003c\/td\u003e\n\u003ctd\u003e74.0\u003c\/td\u003e\n\u003ctd\u003e14.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e48.88\u003c\/td\u003e\n\u003ctd\u003e3.69\u003c\/td\u003e\n\u003ctd\u003e180.4\u003c\/td\u003e\n\u003ctd\u003e138.4\u003c\/td\u003e\n\u003ctd\u003e0.793\u003c\/td\u003e\n\u003ctd\u003e1667\u003c\/td\u003e\n\u003ctd\u003e2372\u003c\/td\u003e\n\u003ctd\u003e76.7\u003c\/td\u003e\n\u003ctd\u003e13.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e48.52\u003c\/td\u003e\n\u003ctd\u003e5.42\u003c\/td\u003e\n\u003ctd\u003e263.0\u003c\/td\u003e\n\u003ctd\u003e209.8\u003c\/td\u003e\n\u003ctd\u003e1.058\u003c\/td\u003e\n\u003ctd\u003e1894\u003c\/td\u003e\n\u003ctd\u003e3155\u003c\/td\u003e\n\u003ctd\u003e79.8\u003c\/td\u003e\n\u003ctd\u003e12.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e48.30\u003c\/td\u003e\n\u003ctd\u003e7.22\u003c\/td\u003e\n\u003ctd\u003e348.7\u003c\/td\u003e\n\u003ctd\u003e284.5\u003c\/td\u003e\n\u003ctd\u003e1.288\u003c\/td\u003e\n\u003ctd\u003e2109\u003c\/td\u003e\n\u003ctd\u003e3813\u003c\/td\u003e\n\u003ctd\u003e81.6\u003c\/td\u003e\n\u003ctd\u003e10.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e48.14\u003c\/td\u003e\n\u003ctd\u003e9.30\u003c\/td\u003e\n\u003ctd\u003e447.7\u003c\/td\u003e\n\u003ctd\u003e369.5\u003c\/td\u003e\n\u003ctd\u003e1.524\u003c\/td\u003e\n\u003ctd\u003e2318\u003c\/td\u003e\n\u003ctd\u003e4483\u003c\/td\u003e\n\u003ctd\u003e82.6\u003c\/td\u003e\n\u003ctd\u003e10.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55\u003c\/td\u003e\n\u003ctd\u003e48.04\u003c\/td\u003e\n\u003ctd\u003e11.77\u003c\/td\u003e\n\u003ctd\u003e565.4\u003c\/td\u003e\n\u003ctd\u003e475.9\u003c\/td\u003e\n\u003ctd\u003e1.807\u003c\/td\u003e\n\u003ctd\u003e2515\u003c\/td\u003e\n\u003ctd\u003e5251\u003c\/td\u003e\n\u003ctd\u003e84.2\u003c\/td\u003e\n\u003ctd\u003e9.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e47.95\u003c\/td\u003e\n\u003ctd\u003e15.13\u003c\/td\u003e\n\u003ctd\u003e725.5\u003c\/td\u003e\n\u003ctd\u003e617.3\u003c\/td\u003e\n\u003ctd\u003e2.185\u003c\/td\u003e\n\u003ctd\u003e2698\u003c\/td\u003e\n\u003ctd\u003e6228\u003c\/td\u003e\n\u003ctd\u003e85.1\u003c\/td\u003e\n\u003ctd\u003e8.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e65\u003c\/td\u003e\n\u003ctd\u003e47.84\u003c\/td\u003e\n\u003ctd\u003e18.63\u003c\/td\u003e\n\u003ctd\u003e891.3\u003c\/td\u003e\n\u003ctd\u003e756.0\u003c\/td\u003e\n\u003ctd\u003e2.512\u003c\/td\u003e\n\u003ctd\u003e2874\u003c\/td\u003e\n\u003ctd\u003e7346\u003c\/td\u003e\n\u003ctd\u003e84.8\u003c\/td\u003e\n\u003ctd\u003e8.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e47.76\u003c\/td\u003e\n\u003ctd\u003e21.48\u003c\/td\u003e\n\u003ctd\u003e1025.9\u003c\/td\u003e\n\u003ctd\u003e870.8\u003c\/td\u003e\n\u003ctd\u003e2.731\u003c\/td\u003e\n\u003ctd\u003e3045\u003c\/td\u003e\n\u003ctd\u003e7960\u003c\/td\u003e\n\u003ctd\u003e84.9\u003c\/td\u003e\n\u003ctd\u003e7.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e47.59\u003c\/td\u003e\n\u003ctd\u003e26.83\u003c\/td\u003e\n\u003ctd\u003e1276.8\u003c\/td\u003e\n\u003ctd\u003e1077.4\u003c\/td\u003e\n\u003ctd\u003e3.207\u003c\/td\u003e\n\u003ctd\u003e3208\u003c\/td\u003e\n\u003ctd\u003e9223\u003c\/td\u003e\n\u003ctd\u003e84.4\u003c\/td\u003e\n\u003ctd\u003e7.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003e47.46\u003c\/td\u003e\n\u003ctd\u003e31.41\u003c\/td\u003e\n\u003ctd\u003e1490.7\u003c\/td\u003e\n\u003ctd\u003e1243.8\u003c\/td\u003e\n\u003ctd\u003e3.534\u003c\/td\u003e\n\u003ctd\u003e3361\u003c\/td\u003e\n\u003ctd\u003e10070\u003c\/td\u003e\n\u003ctd\u003e83.4\u003c\/td\u003e\n\u003ctd\u003e6.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e85\u003c\/td\u003e\n\u003ctd\u003e47.31\u003c\/td\u003e\n\u003ctd\u003e36.14\u003c\/td\u003e\n\u003ctd\u003e1709.8\u003c\/td\u003e\n\u003ctd\u003e1413.6\u003c\/td\u003e\n\u003ctd\u003e3.847\u003c\/td\u003e\n\u003ctd\u003e3509\u003c\/td\u003e\n\u003ctd\u003e10849\u003c\/td\u003e\n\u003ctd\u003e82.7\u003c\/td\u003e\n\u003ctd\u003e6.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e47.18\u003c\/td\u003e\n\u003ctd\u003e40.94\u003c\/td\u003e\n\u003ctd\u003e1931.5\u003c\/td\u003e\n\u003ctd\u003e1582.0\u003c\/td\u003e\n\u003ctd\u003e4.139\u003c\/td\u003e\n\u003ctd\u003e3650\u003c\/td\u003e\n\u003ctd\u003e11545\u003c\/td\u003e\n\u003ctd\u003e81.9\u003c\/td\u003e\n\u003ctd\u003e6.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e95\u003c\/td\u003e\n\u003ctd\u003e47.12\u003c\/td\u003e\n\u003ctd\u003e42.80\u003c\/td\u003e\n\u003ctd\u003e2016.7\u003c\/td\u003e\n\u003ctd\u003e1640.3\u003c\/td\u003e\n\u003ctd\u003e4.230\u003c\/td\u003e\n\u003ctd\u003e3703\u003c\/td\u003e\n\u003ctd\u003e11742\u003c\/td\u003e\n\u003ctd\u003e81.3\u003c\/td\u003e\n\u003ctd\u003e5.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e47.10\u003c\/td\u003e\n\u003ctd\u003e42.82\u003c\/td\u003e\n\u003ctd\u003e2016.8\u003c\/td\u003e\n\u003ctd\u003e1637.7\u003c\/td\u003e\n\u003ctd\u003e4.221\u003c\/td\u003e\n\u003ctd\u003e3705\u003c\/td\u003e\n\u003ctd\u003e11952\u003c\/td\u003e\n\u003ctd\u003e81.2\u003c\/td\u003e\n\u003ctd\u003e5.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eUse the powertrain correctly according to the performance parameters above. It is recommended to fly at the recommended takeoff weight for best performance. Do not fly overweight. If the takeoff weight exceeds 1.2 times the maximum recommended value, performance and safety will be seriously affected.\u003c\/p\u003e\u003ch2\u003eTroubleshooting (LED Indicator\/Sound)\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eLED Indicator\/Sound\u003c\/th\u003e\n\u003cth\u003eCause\u003c\/th\u003e\n\u003cth\u003eSolution\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThe motor does not turn after the aircraft is unlocked, but only after the throttle is raised.\u003c\/td\u003e\n\u003ctd\u003eFlight control or remote control output unlocked idle throttle value less than 1100us.\u003c\/td\u003e\n\u003ctd\u003eSet the idle throttle value of the flight control or remote control to be greater than 1100us. 1160us~1180us is recommended.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhen the plane is powered on, connect the remote control and the motor turns.\u003c\/td\u003e\n\u003ctd\u003eThe remote control is set to lock the throttle over 1100us, or close to 1100us.\u003c\/td\u003e\n\u003ctd\u003eThe remote control needs to set the lock throttle less than or equal to 1050us.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhen the power-on self-test fails, the motor “beeps” every 1.5 seconds, and the indicator light flashes yellow briefly.\u003c\/td\u003e\n\u003ctd\u003eThe throttle PWM signal is missing or the identification throttle PWM range is incorrect.\u003c\/td\u003e\n\u003ctd\u003eEnsure that the throttle signal cable is properly connected, and check whether the signal cable is damaged.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhen the power-on self-test fails, the motor “beeps” every 0.5 seconds, and the indicator light flashes yellow briefly.\u003c\/td\u003e\n\u003ctd\u003eDetects high throttle when get power and enters protected state.\u003c\/td\u003e\n\u003ctd\u003eMake sure that the electric self-test passes before lifting the throttle.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThe motor does not sound. The indicator light flashes yellow 4 times every 1.5 seconds: “short - short - short - long”.\u003c\/td\u003e\n\u003ctd\u003eIf the power-on self-test fails, the motor line loop may be disconnected.\u003c\/td\u003e\n\u003ctd\u003eOpen the ESC cover and check whether the three motor wires are well welded.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThe motor does not sound. The indicator light flashes yellow 4 times every 1.5 seconds: “long - short - long - short”.\u003c\/td\u003e\n\u003ctd\u003eThe power-on self-test fails, and the power supply voltage is abnormal.\u003c\/td\u003e\n\u003ctd\u003eCheck whether the battery voltage is normal. Check whether the power cable is properly connected.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThe motor does not sound. The indicator light flashes yellow 4 times every 1.5 seconds: other flashing methods.\u003c\/td\u003e\n\u003ctd\u003eThe power-on self-test fails, and the electrical hardware is abnormal.\u003c\/td\u003e\n\u003ctd\u003eRecord the LED flashing mode video and contact customer service for assistance. Replace the ESC and test again if required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThe power-on self-test is normal, the motor does not turn after unlocking, and the indicator light is yellow for 0.5 seconds - the motor does not sound when the indicator light is off for 0.5 seconds.\u003c\/td\u003e\n\u003ctd\u003eMotor startup failure, blocking protection occurred during startup.\u003c\/td\u003e\n\u003ctd\u003ePower on and off again and restart the power supply. If it reappears, check whether the motor is damaged.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThe power-on self-test is normal, the motor does not turn during operation, indicator light: 0.5 seconds yellow light - 0.5 seconds off, the motor does not sound.\u003c\/td\u003e\n\u003ctd\u003eThe motor is blocked and entered the protection state.\u003c\/td\u003e\n\u003ctd\u003eCheck whether the machine is blocked, and check whether the motor is smooth by hand.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThe power-on self-test is normal, the motor does not start or stops midway, indicator light: 1 second yellow light - 1 second off, the motor does not sound.\u003c\/td\u003e\n\u003ctd\u003eShort circuit or overcurrent protection occurs, and the device enters the protection state.\u003c\/td\u003e\n\u003ctd\u003eDisassemble the electric adjusting cover and check whether the motor line is damaged and whether the copper terminal of the motor line is loose.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThe indicator light flashes alternately red and green during operation.\u003c\/td\u003e\n\u003ctd\u003eThe PWM throttle signal is missing.\u003c\/td\u003e\n\u003ctd\u003eLand safely and check whether the PWM signal line is well connected and whether the signal line is damaged.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThe indicator light flashes yellow every 0.2 seconds during operation.\u003c\/td\u003e\n\u003ctd\u003eThe motor controller detects high temperature.\u003c\/td\u003e\n\u003ctd\u003eAfter the aircraft lands and stops, check whether the temperature of the ESC shell is too high. If the temperature is high, check whether the screws of the wiring position of the ESC are loose.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eIndicator Lights and Audible Alerts for Motor Controller - Rapid Troubleshooting\u003c\/h2\u003e\u003cp\u003eWhen in use, rely on the status indicator lights and audible alerts to assess whether the product is functioning properly. If any abnormalities occur, troubleshoot the issues.\u003c\/p\u003e\u003ch3\u003eFault During Self-Check\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFault Symptoms\u003c\/th\u003e\n\u003cth\u003ePossible Causes\u003c\/th\u003e\n\u003cth\u003eSolution\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-on self-test failure, the motor emits a “beep” sound every 1.5 seconds, accompanied by a brief yellow flashing indicator light.\u003c\/td\u003e\n\u003ctd\u003eLoss or misidentification of throttle PWM signal. Throttle PWM range is incorrect.\u003c\/td\u003e\n\u003ctd\u003eEnsure the throttle signal wire is well-connected. Check for any damage to the signal wire.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-on self-test failure, the motor emits a “beep” sound every 0.5 seconds, accompanied by a brief yellow flashing indicator light.\u003c\/td\u003e\n\u003ctd\u003eHigh throttle detected during power-on, entering protection mode.\u003c\/td\u003e\n\u003ctd\u003eEnsure that the motor controller has passed the self-check before increasing the throttle.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-on self-test failure, the motor is silent, and the indicator light flashes a sequence of four short intervals every 1.5 seconds: “short-short-short-long” in yellow.\u003c\/td\u003e\n\u003ctd\u003ePower-on self-test failure, the motor circuit may be disconnected.\u003c\/td\u003e\n\u003ctd\u003eOpen the motor controller cover and check if the three motor wires are securely locked.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-on self-test failure, the motor is silent, and the indicator light flashes a sequence of four short intervals every 1.5 seconds: “short intervals every 1.5 seconds” in yellow.\u003c\/td\u003e\n\u003ctd\u003ePower-on self-test failure, abnormal supply voltage.\u003c\/td\u003e\n\u003ctd\u003eCheck if the battery voltage is normal; inspect the power supply line for proper connection.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-on self-test failure, the motor is silent, and the indicator light flashes a sequence of four short intervals every 1.5 seconds with a yellow light: other flashing patterns.\u003c\/td\u003e\n\u003ctd\u003ePower-on self-test failure, abnormality detected in motor controller hardware.\u003c\/td\u003e\n\u003ctd\u003eRecord the LED flashing pattern on video. Contact customer service for a replacement motor controller and conduct further testing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eFault During Operation\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFault Symptoms\u003c\/th\u003e\n\u003cth\u003ePossible Causes\u003c\/th\u003e\n\u003cth\u003eSolution\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThe motors do not spin after the aircraft is unlocked; they start spinning only after increasing the throttle.\u003c\/td\u003e\n\u003ctd\u003eThe flight controller or remote controller outputs unlocked idle; throttle value is less than 1100 microseconds.\u003c\/td\u003e\n\u003ctd\u003eSet the flight controller or remote controller to output idle with a throttle value greater than 1100 microseconds; recommended range 1160uS to 1180uS.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAfter powering on the aircraft and connecting the remote controller, the motors start spinning.\u003c\/td\u003e\n\u003ctd\u003eThe remote controller is set to lock the throttle at a value above 1100 microseconds or close to 1100 microseconds.\u003c\/td\u003e\n\u003ctd\u003eThe remote controller needs to be set to lock the throttle at a value less than or equal to 1050 microseconds.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-on self-test is normal, but the motors do not spin after unlocking. Indicator light: 0.5 seconds of yellow light followed by 0.5 seconds off, and the motors do not produce any sound.\u003c\/td\u003e\n\u003ctd\u003eThe motor startup failed, encountering stall protection during the startup process.\u003c\/td\u003e\n\u003ctd\u003ePower cycle (turn power on and off). If the issue persists, check whether the motor is damaged.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-on self-test is normal, but the motors do not spin after unlocking. Indicator light: 0.5 seconds of yellow light followed by 0.5 seconds off, and the motors do not produce any sound.\u003c\/td\u003e\n\u003ctd\u003eThe motor controller detects motor stall and enters protection mode.\u003c\/td\u003e\n\u003ctd\u003eCheck if the motor is stalled due to a crash and inspect whether the motor rotation is smooth.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-on self-test is normal, but the motors do not spin after unlocking. Indicator light: 1 second of yellow light followed by 1 second off, and the motors do not produce any sound.\u003c\/td\u003e\n\u003ctd\u003eShort circuit or overcurrent protection triggered, entering protection mode.\u003c\/td\u003e\n\u003ctd\u003eOpen the motor controller cover and inspect whether there is any damage to the motor wires and if the copper connections on the motor wires are loose.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuring operation, the indicator light alternately flashes red and green.\u003c\/td\u003e\n\u003ctd\u003eThe motor controller detects a loss of PWM throttle signal.\u003c\/td\u003e\n\u003ctd\u003eLand safely, check if the PWM signal line is well-connected, and inspect for any damage to the signal line.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuring operation, the indicator light rapidly flashes yellow every 0.2 seconds.\u003c\/td\u003e\n\u003ctd\u003eThe motor controller detects high temperature.\u003c\/td\u003e\n\u003ctd\u003eAfter landing and stopping the aircraft, check if the motor controller’s casing is too hot. If the temperature is high, inspect whether the wire terminal screws are loose.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-on self-test failure, the motor is silent, and the indicator light flashes a sequence of four short intervals every 1.5 seconds: “short”-“long”-“short”-“short” in yellow.\u003c\/td\u003e\n\u003ctd\u003ePower-on self-test failure, abnormal voltage on the motor wires.\u003c\/td\u003e\n\u003ctd\u003eCheck for any short circuits between the motor wires and the main bus in the motor controller. Inspect whether the motor wires are damaged and whether there is a short circuit with the casing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"MAD 9x-12 Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9x-12-Drone-Arm-Set.jpg?v=1777282481\"\u003e\u003cp\u003eThe MAD 9x12 drone arm set uses an integrated propulsion module with a 30mm carbon-tube clamp and labeled M9C12 motor and 60A 14S ESC layout.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9x-12 Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9x-12-Drone-Arm-Set_61379c2e-8710-436b-aec3-eac76fe35ce4.jpg?v=1777282492\"\u003e\u003cp\u003eThe M9C12 disc motor pairs with a circular 60A FOC regulator using sine-wave driving mode for smoother power delivery.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9x-12 Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9x-12-Drone-Arm-Set_cf2a92b7-c544-4efe-b6e8-030a958c38e3.jpg?v=1777282501\"\u003e\u003cp\u003eThe \u003ca href=\"https:\/\/rcdrone.top\/collections\/mad-motor\" title=\"MAD Motor\"\u003eMAD\u003c\/a\u003e setup features a carbon fiber propeller and a built-in red\/green LED heading light for clearer orientation.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9x-12 Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9x-12-Drone-Arm-Set_53e1b910-01d2-481d-ab4a-5d8321933260.jpg?v=1777282511\"\u003e\u003cp\u003eThe propeller drawing lists an 813.70 mm overall span and shows the hub mounting hole patterns (Ø23 M4×4 and Ø20 M3×4) for fit checks.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9x-12 Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9x-12-Drone-Arm-Set_23dc10dc-0530-4a41-b4e0-c025b8a414fa.jpg?v=1777282521\"\u003e\u003cp\u003eThe 9X12 KV100 parameter sheet lists 12S LiPo support, 11,952g max thrust per rotor at 48V (sea level), and 30mm carbon tube compatibility.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9x-12 Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9x-12-Drone-Arm-Set_030e7fb8-7cad-48d4-9285-b582db786522.jpg?v=1777282531\"\u003e\u003cp\u003eMAD 9x12 100KV 12S benchmark data lists throttle steps with voltage, current, RPM, thrust, and efficiency, with a noted max temperature of 81°C.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9x-12 Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9x-12-Drone-Arm-Set_4a488938-f360-47a9-ae00-6af49da89cbc.jpg?v=1777282542\"\u003e\u003cp\u003eThe ESC troubleshooting guide matches LED indicator and beep patterns to common causes and wiring checks for quicker diagnosis.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9x-12 Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9x-12-Drone-Arm-Set_6afc56ef-fd4a-48d5-b7e2-3568509013e8.jpg?v=1777282554\"\u003e\u003cp\u003eMotor controller LED flash patterns and audible beeps provide quick guidance on likely faults and recommended checks.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"MAD","offers":[{"title":"100KV \/ CW \/ Red","offer_id":52200041578720,"sku":"0104DL0646","price":558.0,"currency_code":"USD","in_stock":true},{"title":"100KV \/ CW \/ Green","offer_id":52200041611488,"sku":"0104DL0649","price":558.0,"currency_code":"USD","in_stock":true},{"title":"100KV \/ CCW \/ Red","offer_id":52200041644256,"sku":"0104DL0647","price":558.0,"currency_code":"USD","in_stock":true},{"title":"100KV \/ CCW \/ Green","offer_id":52200041677024,"sku":"0104DL0648","price":558.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/9X1201.jpg?v=1777249986","url":"https:\/\/rcdrone.top\/products\/src-mad-932-9x-12-drone-arm-set","provider":"RCDrone","version":"1.0","type":"link"}