Keep getting BAT Err message

[Bob G3PJT]

When I try to charge the battery I get Bat err message and charging is
terminated. I have reloaded s/ware etc but no change.
Any ideas ?
Thanks
Bob G3PJT



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[Don Wilhelm]

Bob,

Read the BAT ERR description on page 4 of the KXBC3 manual.

You may have to remove the batteries and check the terminal voltage of
each one with your DMM to determine if you have a bad one, or if all are
possibly fully charged.

Reloading software will not make any difference, but likely will not
hurt anything either.

73,
Don W3FPR

On 5/31/2018 4:51 PM, Bob G3PJT wrote:
> When I try to charge the battery I get Bat err message and charging is
> terminated. I have reloaded s/ware etc but no change.
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[rich hurd WC3T]

I'd swap out the batteries and then go through the procedure that Don
recommends.

Dumb question; they are all NiMH, right?  Hopefully Eneloop or a similar
marque?

On Thu, May 31, 2018 at 17:06 Don Wilhelm <[hidden email]> wrote:

> Bob,
>
> Read the BAT ERR description on page 4 of the KXBC3 manual.
>
> You may have to remove the batteries and check the terminal voltage of
> each one with your DMM to determine if you have a bad one, or if all are
> possibly fully charged.
>
> Reloading software will not make any difference, but likely will not
> hurt anything either.
>
> 73,
> Don W3FPR
>
> On 5/31/2018 4:51 PM, Bob G3PJT wrote:
> > When I try to charge the battery I get Bat err message and charging is
> > terminated. I have reloaded s/ware etc but no change.
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>
> This list hosted by: http://www.qsl.net
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>

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Rich Hurd / WC3T / DMR: 3142737
PA Army MARS, Northampton County RACES, EPA-ARRL Public Information Officer
for Scouting
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*FN20is*
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[Bob G3PJT]

Thanks very helpful. I just found the problem it was that the batteries were quite discharged and my charger PSU was a touch low in voltage. Seems OK now.
 
73 and thanks again
Bob G3PJT

Sent by Ipad

> On 31 May 2018, at 22:06, Don Wilhelm <[hidden email]> wrote:
>
> Bob,
>
> Read the BAT ERR description on page 4 of the KXBC3 manual.
>
> You may have to remove the batteries and check the terminal voltage of each one with your DMM to determine if you have a bad one, or if all are possibly fully charged.
>
> Reloading software will not make any difference, but likely will not hurt anything either.
>
> 73,
> Don W3FPR
>
>> On 5/31/2018 4:51 PM, Bob G3PJT wrote:
>> When I try to charge the battery I get Bat err message and charging is
>> terminated. I have reloaded s/ware etc but no change.

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[Elecraft mailing list]

Re:  "...batteries were quite discharged..."

Bob,

Glad you got things working.

Keep in mind that if any cell was discharged below 1 volt, there is a likely chance that it has been damaged and cannot be recharged successfully.  That is why the KX3 shuts down at 8 volts, to protect the cells (1V per cell X 8 cells = 8V).  That is also why it is important to use Low Self Discharge (LSD) cells.  Non-LSD cells will continue to self-discharge below that 1V level, destroying themselves.

Mark
KE6BB

null
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[Bob G3PJT]

Just retested all the batteries individually to check they are still OK
after charging and they seem fine.

Thanks for all the help

73 Bob G3PJT


On 01/06/2018 16:55, Mark wrote:

> Re:  "...batteries were quite discharged..."
>
>
> Bob,
>
>
> Glad you got things working.
>
>
> Keep in mind that if any cell was discharged below 1 volt, there is a
> likely chance that it has been damaged and cannot be recharged
> successfully.  That is why the KX3 shuts down at 8 volts, to protect
> the cells (1V per cell X 8 cells = 8V).  That is also why it is
> important to use Low Self Discharge (LSD) cells.  Non-LSD cells will
> continue to self-discharge below that 1V level, destroying themselves.
>
>
> Mark
>
> KE6BB
>

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