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Unread 08-25-2012, 09:13 PM   #1
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Default Curtis controller

I have a 2002 ds club car six seater with a 5.5 hp motor with a 225 amp speed controller. Motor and controller gets warm. Moving in reverse have a delay before it engages but once the cart is moving the cart engages in reverse good. What could be the problem?
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Unread 08-25-2012, 09:43 PM   #2
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Default Re: Curtis controller

You've got too much motor for that factory controller. You need an aftermarket controller that's calibrated specifically for your motor. It wouldn't be a bad idea to install a heatsink against the back of the controller as well.
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Unread 08-25-2012, 09:54 PM   #3
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Default Re: Curtis controller

You thats why the controller is heating up? Also does a heavy duty motor develops a temperature. Please advise? Also would a 600 amp controller be ideal for the 5.5 hp motor?
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Unread 08-25-2012, 10:03 PM   #4
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Default Re: Curtis controller

This is a sepex motor?

What exact motor are you running?
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Unread 08-25-2012, 10:25 PM   #5
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Default Re: Curtis controller

The motor is a ge electric 36/48 motor heavy duty.
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Unread 08-25-2012, 10:32 PM   #6
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Default Re: Curtis controller

Quote:
Originally Posted by Nicholaswade View Post
The motor is a ge electric 36/48 motor heavy duty.
Sounds like a D380 motor in a series cart, bad ***. We ran one with stock controller for about 8 years and never a problem. Not sure I understand yours though. Does it work in forward? Does it hesitate at full throttle? They are a little herky jerky at low throttle.

Motor and controller are gunna get warm, you are passing a lot of juice.
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Unread 08-25-2012, 11:15 PM   #7
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Default Re: Curtis controller

It hesitates in reverse. Takes like five second therecabout to move but i think its because i have been using the controller with this particular motor over a year and a half so i think it probably damaged the controller. In low throttle it jerks and when u full throttle it doesnot move of pretty fast but gradually accelerate. What would be the solution? Upgrade the controller to like a 600 amp. What thickness of wire should i use?
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Unread 08-26-2012, 10:24 AM   #8
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Default Re: Curtis controller

It sounds like you have a series motor(please confirm it is not IQ).

I have run a 5.5 HP high speed motor in my series cart using an altrax axe 400 amp controller with stock cables and not had any problems for last 8 years or so. I thing a 500 amp would be ok too. My speed is not effected by small hills, we do not have any big hills here though.

Not saying you should not run 4g cable, just saying i have no problems running 6g, but I only use my cart for golf, so no really long non stop runs, I think longer runs with smaller cables could build up more heat.
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Unread 08-26-2012, 11:04 AM   #9
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Default Re: Curtis controller

Its not a iq motor. I use the cart for rental purposes so it goes on long runs so upgrading will reduce the heat with the controller and motor as well as uprading to 4g cables.
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Unread 08-26-2012, 11:37 AM   #10
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Default Re: Curtis controller

Quote:
Originally Posted by Nicholaswade View Post
Its not a iq motor. I use the cart for rental purposes so it goes on long runs so upgrading will reduce the heat with the controller and motor as well as uprading to 4g cables.
Why your at it, make sure you have the recommended solenoid, and heavy duty F&R switch.
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