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-   -   PL6 + MPA charging current problem (https://www.rctech.net/forum/radio-electronics/694843-pl6-mpa-charging-current-problem.html)

one-nil 01-13-2013 07:15 AM

PL6 + MPA charging current problem
 
I used the search button but could not find a suitable answer.

I have a PL6 and MPA parallel board. When I tried to parallel charge 2 x 5600mAh 2s lipos the max current it was using was 2A.

1. xh/eh mode selected.
2. DC supply set at 24V 40A
3. LiPo generic High Power preset with a change in current to 1p = 20A 2P = 40A
4. 2P selected when asked for number of packs being charged.
5. charge only mode
6. balance Lead plugged in.
7. I did RTM and feel I have followed the necessary steps.

Please help. I hate being one of those all the gear no idea types with this thing. :blush:

Thanks.

Johnnysplits 01-13-2013 01:06 PM

I don't have a PL6 yet but I think you'll get a quicker answer if you look/post on the Helifreak site. They have a whole forum dedicated to the cellpro chargers.

ufoDziner 01-13-2013 04:44 PM


Originally Posted by one-nil (Post 11670045)
6. balance Lead plugged in.

1 lead per battery right? Not just one lead? Are the batteries below min voltage (3.2v) such that the charger is in rescue mode?

one-nil 01-13-2013 05:34 PM


Originally Posted by Johnnysplits (Post 11671223)
I don't have a PL6 yet but I think you'll get a quicker answer if you look/post on the Helifreak site. They have a whole forum dedicated to the cellpro chargers.

Thanks. Will try there too.


Originally Posted by ufoDziner (Post 11672089)
1 lead per battery right? Not just one lead? Are the batteries below min voltage (3.2v) such that the charger is in rescue mode?

Yes, one lead per battery. Thanks, Good call on the voltage, I did not consider checking as they are brand new batteries. Will have a look tonight though. Now where did I put that 9V battery for my multimeter...

ufoDziner 01-13-2013 06:09 PM

You can check the voltage on each cell via the display, just cycle through the pages when it's charging or monitoring.

ufoDziner 01-13-2013 06:48 PM

The other thing I forgot to ask is if it charges at 20 amps with just one battery connected.

one-nil 01-13-2013 10:59 PM


Originally Posted by ufoDziner (Post 11672437)
You can check the voltage on each cell via the display, just cycle through the pages when it's charging or monitoring.

actually I remember getting an error message. Something about wrong cell number or cell do not match or something like that.


Originally Posted by ufoDziner (Post 11672655)
The other thing I forgot to ask is if it charges at 20 amps with just one battery connected.

I did not try one cell. Will try tonight. Thanks again.

ufoDziner 01-14-2013 07:23 AM


Originally Posted by one-nil (Post 11673584)
actually I remember getting an error message. Something about wrong cell number or cell do not match or something like that.



I did not try one cell. Will try tonight. Thanks again.

If there are any error messages, the root cause needs to be figured out before anything else.

Not one cell, but one pack (you said you're running 2S packs). It could be that one of the balance taps or part of the MPA board is bad.

one-nil 01-14-2013 07:51 AM


Originally Posted by ufoDziner (Post 11674454)
If there are any error messages, the root cause needs to be figured out before anything else.

Not one cell, but one pack (you said you're running 2S packs). It could be that one of the balance taps or part of the MPA board is bad.

ufoDziner: thanks again for all your suggestions, I found the answer in Helifreaks. One of the users there encountered the same error message - "cells no add up, push to reset". His answer...clean the deans terminals with sandpaper! I am happy to report all lipos are being charged at (to me) an incredible rate of amps! :nod:

ufoDziner 01-14-2013 08:32 AM

Glad to hear it's working. They're great chargers.


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