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2/9/2018

SunFounder 250 - Wiki

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Figure 1-7

4). Turn on the device to start the recovery. When the output current changes to 0 or almost 0, the recovery is done as shown in Figure 1-8.

Figure 1-8

2. Battery Indicator Alarm (with Buzzer) Test

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Summary of Contents for 250

Page 1: ...ing It features stability flexibility and activity You can realize a stable flight in a high or low altitude or in a forest with the SunFounder 250 The skid landing damping sponge tubes bound onto the motors help stablize the flight and protect the frame through increasing the buffer between the frame and the land when the aircraft is landing It runs the OpenPilot firmware of the flight controller...

Page 2: ...test all the main components such as battery motors ESCs flight controller board etc before assembly in case of disassembling the aircraft to test after assembly when you find it cannot work 1 Battery Balance Charger and Power Adapter Test Test Operations 1 Connect the PR301 Li ion Polymer Balance Charger Power Charger and 12V 1 5A Power Adapter and plug the adapter to a socket The power indicator...

Page 3: ... the charger will provide low current recovery charging for 3 minutes if it fails the charging indicator will blink 0 5 seconds indicating the battery is damaged Only when each of all the cells reaches 3V it will turn to normal charging The charging Indicator will light up green when the battery is fully charged Please take out the battery in time to avoid battery deformation or even explosion cau...

Page 4: ...nd cathode of the stabilizator directely and adjust the current to 1A Figure 1 6 Figure 1 6 3 TURN OFF the stabilizator then connect the anode and cathode of the device to those of the battery Figure 1 7 use two wires with different lengths to distinguish from each other so as to avoid short circuit by careless operation ...

Page 5: ...under cc index php title SunFounder_250 5 12 Figure 1 7 4 Turn on the device to start the recovery When the output current changes to 0 or almost 0 the recovery is done as shown in Figure 1 8 Figure 1 8 2 Battery Indicator Alarm with Buzzer Test ...

Page 6: ...ing headers as shown in Figure 2 2 3 If they are connected correctly the alarm will beep for three times and then it will display the total voltage of all the cells and the voltage of each cell in cycle 4 The warning voltage threshold can be set by the button on the back of the alarm as shown in of Figure 2 1 Each press will add 0 1V and the setting will be saved automatically The threshold value ...

Page 7: ...the multimeter to the 200Ω setting to measure the direct current resistance of the motors three phrase winding check two wires from three each time as shown below The measured results of three times should be very close to each other If the gap among the results is more than 10 an inter turn short circuit may have happened between the wires with the smallest result ...

Page 8: ...php title SunFounder_250 8 12 2 Check the bearings and fans when the rotator spins normally there should have no noise indicating the bearing and air gap is in good condition If the bearing holds dead the motor may burn out 4 ESCs Test Test Operations power on ...

Page 9: ...l is detected check the battery s voltage beep three times indicating the cells quantity of battery hear the notes 1 2 3 indicating it s ready pull up the throttle to start pull up a little to see whether the motor spins or not 4 Repeat the operations above to configure the rest motors and ESCs Check the Test Video here https www youtube com watch v 3aV 8cS6D_I 5 Section Board and Power Cord Test ...

Page 10: ... wire and black one of the adapter cable Figure 5 6 If a beep sounds and the red indicator lights up as shown in of Figure 5 1 it means the circuit is open Figure 5 5 Figure 5 6 2 Check the insulation of the adapter cable is broken or not If there is a breakage on the cable please wrap that area with an electrical tape to avoid accidents by short circuit 6 Flight Controller Board Test ...

Page 11: ... refer to this link https www sunfounder com video category cat 40 3 For the remote control you are recommended to refer to this link https www sunfounder com rc html https www sunfounder com drone remote controllers flysky flysky fs i6x radio system transmitter html 4 The SunFoundere 250 quadcopter kit uses the 5045 propellers blades you can also choose other 50x propellers blades https www sunfo...

Page 12: ...i sunfounder cc index php title SunFounder_250 12 12 FAQ http wiki sunfounder cc index php title SF250_FAQ Retrieved from http wiki sunfounder cc index php title SunFounder_250 oldid 4065 This page was last modified on 27 May 2017 at 02 32 ...

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