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Topic-icon AX2500 problem

  • peter_tascar
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14 years 8 months ago #4723004 by peter_tascar
AX2500 problem was created by peter_tascar
My 2 wheel, 2 motor, remote controlled bot, has a problem. It goes forward and turns right and left ok, but if you try to reverse, only 1 wheel will reverse. This is set up for mixed steering, not tank steering.
Can I fix the problem with software or programming, or do you think it is an internal problem? Peter

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  • cosma
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14 years 8 months ago #4723298 by cosma
Replied by cosma on topic AX2500 problem

The best way to accurately diagnose the controller is to reset it to defaut (press and hold prog & set, after power up or reset, until display flashes, then reset). Then exercise the controller using the PC utility. Pls try and let me know if you still see the problems

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  • peter_tascar
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14 years 8 months ago #4726242 by peter_tascar
Replied by peter_tascar on topic AX2500 problem
I did try to reset the controller to the original settings, the controller makes a buzzing noise (when holding prog & set) and then flashes a series of about 5 numbers continuously until reset. Also, an "8" appears in the display when trying to reverse. This did not correct the problem. I have not yet hooked it to the PC, but will try that next. Peter

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  • cosma
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14 years 8 months ago #4726937 by cosma
Replied by cosma on topic AX2500 problem
<P style="MARGIN: 0px">The "8" typically signifies an under voltage condition. It may be that the controller and/or motor draw excessive current in that condition, causing the battery voltage to dip below 12V in that state.
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<P style="MARGIN: 0px">When exercising the motor with the PC utility, you will be able to see the reported voltage.
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  • peter_tascar
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14 years 8 months ago #4743906 by peter_tascar
Replied by peter_tascar on topic AX2500 problem
This is a 24 volt system, with fully charged batteries. I ran the controller from the PC, and the same problem occurs. I get the "EStoP" message on the controller when pushing prog &amp; set. Also put a multi meter on the motors. Motor 1 gets 24 volts in both forward and reverse. Motor 2 gets 24 volts in forward and 0 volts in reverse . I have reset the controller numerous times. Peter

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  • cosma
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14 years 8 months ago #4747750 by cosma
Replied by cosma on topic AX2500 problem
<P style="MARGIN: 0px">To reset to default parameters you must press and hold the prog and set buttons for &gt;10s while powering up or resetting.
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<P style="MARGIN: 0px">It does look like the controller may be deffective but I still recommend that you exercise the motors using the PC utility.
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<P style="MARGIN: 0px">A "8" display can only occur when the controller sees (or thinks it sees) and undervoltage condition. The "8" also appears for 1s after reset.
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<P style="MARGIN: 0px">It would be useful to run the PC utility and read the "voltage seen" as you run the motors forward and reverse.
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  • peter_tascar
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14 years 8 months ago #4751897 by peter_tascar
Replied by peter_tascar on topic AX2500 problem
I have reset it to it's default parameters. Hooked up to the PC utility, motor #1 reads 1 amp at 24.7 volts. Motor #2 reads 3 amps at 11.8 volts. When I run the motors directly from the utility, with the default parameters, the same thing happens. The one side does not reverse.

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  • cosma
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14 years 8 months ago #4754989 by cosma
Replied by cosma on topic AX2500 problem
<P style="MARGIN: 0px">Please contact us directly using the "contact us" or "tech support request" forms to arrange for a repair.
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