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 Rank: Beginner Level 1 Groups: Registered
Joined: 11/02/2019 Posts: 8 Points: 24 Location: Home
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Hi, I have recently finished R2 but he will not power on. On my first attempt he did move forward and turn his head to the right about 2 inches. Afer this all I could get were the LEDs to light up by holding down the power button. On checking eveything over I now have no power. I have checked the voltage across the power pack and it reads zero, I even took the back off and checked the power from the soldering point, still zero. Before I order a new power pack case can you confirm my batteries are indeed the correct type - link below. PS all batteries have been fully charged and are showing 4.1v accross the terminals, I also made sure they were installed correctly and that the batteries made contact with the springs etc in the box. Link to batteries:- https://18650.uk/product/samsung-30q/
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Your batterys look good and you will need to order a replacement battery box from stage 92 fron C/S. You will find there number on the inside of the 1st page of the magazine. Current builds:-C57,Zero, Lamborghini Countach, Caldercraft HMS Agamemnon,Robi,R2-D2, MFH Cobra .
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Rank: Beginner Level 1 Groups: Registered
Joined: 11/02/2019 Posts: 8 Points: 24 Location: Home
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Rank: Beginner Level 1 Groups: Registered
Joined: 11/02/2019 Posts: 8 Points: 24 Location: Home
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New Battery box arrived. I have refitted the batteries and gone through the initialisation process then turned R2 on but I have the same issue as before. If I hold the power on button the front and back LED's light up but nothing else, no movement or other lights turn on. Any idea what the issue might be or what I can check now?
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Can you check the voltage coming out the the battery box leed for me it should show around 12.3 volts. Current builds:-C57,Zero, Lamborghini Countach, Caldercraft HMS Agamemnon,Robi,R2-D2, MFH Cobra .
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 Rank: Pro Groups: Registered
Joined: 27/10/2012 Posts: 146 Points: 427 Location: London
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Check the motor wires, I put the head motor wire the wrong way round and had the same problem
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Rank: Beginner Level 1 Groups: Registered
Joined: 11/02/2019 Posts: 8 Points: 24 Location: Home
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Checked the voltage from the battery box and it reads 12.31v so that is ok.
As suggested I checked the motor head wire (short one with 6 wires) and it is fitted correctly.
Can anyone suggest anything else to try?
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If after double checking all the conections into the MCU unit you still get no change reorder another issue 94 MCU unit from C/S. Current builds:-C57,Zero, Lamborghini Countach, Caldercraft HMS Agamemnon,Robi,R2-D2, MFH Cobra .
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Rank: Beginner Level 1 Groups: Registered
Joined: 11/02/2019 Posts: 8 Points: 24 Location: Home
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Took all wiring out and rewired, ended up with the same issue (only LEDs will come on if the power button is held down).
I have reordered issue 94...
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Rank: Beginner Level 1 Groups: Registered
Joined: 11/02/2019 Posts: 8 Points: 24 Location: Home
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Fitted new MCU. Turned R2 on and he jumped forward then nothing. If I press the power button I get the same issue as before (head LEDs light up)!
So I now suspect the head motor, is there a way to test it?
I also have a sinking feeling that the MCU might also be damamged now...
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