Gernot,

See the KXBC3 manual page 4.

For the BAT ERR message it reads:
"Battery missing or battery voltage out of range due to a fully charged pack or a defective or missing cell. With the KX3 on, tap any switch to clear the message. The charging cycle is terminated (does not restart automatically when the condition is corrected)."

That is done to prevent an attempt to charge a completely discharged or defective battery pack.

You may have batteries that are sufficiently discharged to cause that error, or you may have a bad cell in your battery pack. Remove the batteries and check each one with a voltmeter. If you find one dead, replace it, but if they are all equally low you may have to use an external battery charger to increase the voltage a bit before charging in the KX3.

73,
Don W3FPR

On 4/2/2014 3:50 PM, [email protected] wrote:
I get an "bat Err" message if I want to charge my battery pack on the KX3. The battery (NiMh) seems to be very low, as the KX3 doesn't start with them. The LEDs light up shortly then nothing.
But if powered externally, I'd expect I get my battery recharged.

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