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Unread 04-20-2014, 08:48 PM   #1
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Default heatsink on controller

I have had the controller shut down on me twice now. thermal shut down, both times the motor was NOT hot at all, the motor was actually cool. but the controller was hot. I'm going to mount a fined heatsink on the back of the controller. But my question is how do I mount it to the back of the controller? I have read about Thermal adhesive tape. has any one used this tape?
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Unread 04-20-2014, 09:01 PM   #2
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Default Re: heatsink on controller

I'm surprised it is overheating, that doesn't seem normal, I'd call PQ and see what they think. This is all new correct, has anyone else had overheating issues are you pushing it hard when this happens?
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Unread 04-20-2014, 09:02 PM   #3
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Default Re: heatsink on controller

oh on the tape, you will need something rugged enough to stay, can you mount it to the enclosure with small screws?
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Unread 04-20-2014, 09:06 PM   #4
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Default Re: heatsink on controller

Just me and the old lady driving down the road at low speeds, all flat ground. I'm getting pissed to say the least, i want it fixed before i damage the controller over a period of time. I have every thing upgraded.
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Unread 04-20-2014, 09:11 PM   #5
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Default Re: heatsink on controller

It seems to only over heat at low speeds, could a bad Mcore cause this? if i just jump on it and ride fast every thing is fine.
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Unread 04-20-2014, 09:21 PM   #6
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Default Re: heatsink on controller

Could be a resistance thing, too little and the current goes way up. If you can borrow or have a clamp on ammeter check out the draw at low speeds vrs cursing faster.
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Unread 04-20-2014, 09:28 PM   #7
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Default Re: heatsink on controller

so what could cause the resistance problem ? the motor wanting higher amps?
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Unread 04-20-2014, 09:31 PM   #8
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Default Re: heatsink on controller

Quote:
Originally Posted by mymonstertruck View Post
It seems to only over heat at low speeds, could a bad Mcore cause this? if i just jump on it and ride fast every thing is fine.
Basically the MOCOR is a variable resistor, i recently read a guy changed out everything but the MOCOR was bad (on here somewhere), it worked well on his old system but when upgraded it caused issues. Do you have a Excel system?

Edit you do, have excel, I think that was the one with the MOCOR issue. Test it out
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Unread 04-20-2014, 09:33 PM   #9
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Default Re: heatsink on controller

excel system yes!
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Unread 04-20-2014, 09:41 PM   #10
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Default Re: heatsink on controller

I never tested a mcore ?
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