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Author Topic: Pleo starts and stop moving continually  (Read 81 times)

darthsith81

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Pleo starts and stop moving continually
« on: April 08, 2021, 04:01:44 AM »

Hello all
I'm new. I bought 2 used pleos, both of them doesn't work. So I try to fix them.
One pleo doesn't start. No sign of life.
The other instead boot up, make a roar and move. It has broken neck that I have yet fixed.
The problem is that after some seconds after it moves, it shut down suddenly.
I try to touch it for wake up, and sometimes it works, but after some seconds it shut down again.
I have tried to startup with sd card for bypass battery temp check, and it's a bit better, but it's not the solution.

After reading some posts, I noticed that it's common problem, but don't see a solution.
Anyone can help me?

thx
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darthsith81

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Re: Pleo starts and stop moving continually
« Reply #1 on: April 09, 2021, 02:43:36 AM »

More info: with pop os seems work fine. Very very strange...
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pnhicks

  • Pleozoologist
  • * Posts: 223
  • es Male
  • Pleo(s): None of mine stay in one piece long enough! :((
  • You can't break what's already broken!
Re: Pleo starts and stop moving continually
« Reply #2 on: April 09, 2021, 09:54:04 AM »

Hi Darksith81,


Lord Vader give you the day off?  ;D


Anyway, if the pop os works, why not install 1.1 and see what happens?


Cheers!


Peter
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darthsith81

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Re: Pleo starts and stop moving continually
« Reply #3 on: Yesterday at 03:13:26 AM »

I don't know the exactly reason, but now it works.
I install popos then lifeos 2.0.1, but nothing.
Meanwhile I have modified the battery pack.
Reinstall popos and the lifeos and now seems work.
So I don't know if I have fixed with the battery restoration or with the several tries with updating system.

Now I have to come back to life the other pleo, that seems never used, but doesn't give life sign.
I'll try to see the fuse as the first try.

thx
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pnhicks

  • Pleozoologist
  • * Posts: 223
  • es Male
  • Pleo(s): None of mine stay in one piece long enough! :((
  • You can't break what's already broken!
Re: Pleo starts and stop moving continually
« Reply #4 on: Yesterday at 03:30:02 AM »

Hi DarkS,


The fuse is a good place to start if there is no sign of life at all!


Cheers!


Peter
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darthsith81

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Re: Pleo starts and stop moving continually
« Reply #5 on: Yesterday at 06:21:33 AM »

Ok I have more info.
First of all I connected pleo to pc, and see if the pc see it (on macos this is the command system_profiler SPUSBDataType).
With original battery (that works on the other pleo) no result.
With my modified battery (that also works on the other pleo) I see it!
This is the output:
Pleo:

          Product ID: 0x0100
          Vendor ID: 0x6962
          Version: 1.00
          Serial Number: 110401014598
          Speed: Up to 12 Mb/s
          Manufacturer: Ugobe Inc.
          Location ID: 0x14100000 / 12
          Current Available (mA): 500
          Current Required (mA): 100
          Extra Operating Current (mA): 0

So it's very strange.
However it doesn't start, but I exclude the fuse.
So I put the sd card with firmware, and with power switch on or off (it's the same) I can hear three beeps.
What this means?

Thanks
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pnhicks

  • Pleozoologist
  • * Posts: 223
  • es Male
  • Pleo(s): None of mine stay in one piece long enough! :((
  • You can't break what's already broken!
Re: Pleo starts and stop moving continually
« Reply #6 on: Yesterday at 08:16:26 AM »

Hi Darth,


3 beeps means the battery is low on charge and Pleo has saved his (or her) current state before shutting down, and it is safe to remove the battery. When the battery is low, Pleo will assume the standard box posture EXCEPT that his head and tail will be down and not straight.


Am I correct that you own a RB version of Pleo?


Cheers!


Peter


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darthsith81

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Re: Pleo starts and stop moving continually
« Reply #7 on: Yesterday at 08:30:08 AM »

thx for reply.
no, both the pleo are ugobe.
the strange thing is that the original battery (that works on other pleo) don't work on this (both ugobe).
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darthsith81

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Re: Pleo starts and stop moving continually
« Reply #8 on: Yesterday at 10:23:35 AM »

another tip:
pleo that works with original battery with switch on -> see over usb, with switch off -> no usb (like as expected)
pleo that works with custom battery [with 10kohm resistance, or without is the same] with switch on -> see over usb, with switch off -> see over usb (!!!)

pleo that don't work with original battery with switch on -> no usb, with switch off -> no usb
pleo that don't work with custom battery [with 10kohm resistance, or without is the same] with switch on -> see over usb, with switch off -> see over usb (!!!)

I think there is a circuit inside the pleo between the 2 negative poles that check something. And there is something broken in my broken pleo.
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pnhicks

  • Pleozoologist
  • * Posts: 223
  • es Male
  • Pleo(s): None of mine stay in one piece long enough! :((
  • You can't break what's already broken!
Re: Pleo starts and stop moving continually
« Reply #9 on: Yesterday at 12:21:48 PM »

Hey Darth,


There is something between NTC and Ground! It is the temp sensing circuit!  Try an SD card with the skit "Startup script to disable battery temp sensor"  and see if it starts!


Cheers!


Peter
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darthsith81

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Re: Pleo starts and stop moving continually
« Reply #10 on: Today at 02:03:20 AM »

Hey Darth,


There is something between NTC and Ground! It is the temp sensing circuit!  Try an SD card with the skit "Startup script to disable battery temp sensor"  and see if it starts!


Cheers!


Peter

thx, but unfortunately nothing happens...
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