[Elecraft] KPA500 fault

[Bob McGraw K4TAX]

Have you tried to reload the firmware?   Sounds as though a bit or two 
is out of place.    Use the KPA500 Utility to accomplish this.

73

Bob, K4TAX

On 1/7/2020 5:26 AM, Ken Winterling wrote:
> Ken,
>
> I have the same amp but have not experienced the problem you describe.
> When issues like this occur it is best to isolate the suspect device to
> minimize the variables.
>
> Before doing anything have you tried turning off the power switch on the
> rear of the amp?  Wait 10 seconds then turn the switch to ON.  Press the
> front panel power ON button and check the panel buttons.
>
> If that doesn't correct the issue then disconnect every cable from the amp
> except the power cord and antenna.  Connect the amp to a dummy load.  Turn
> off the power switch on the rear of the amp.  Wait 10 seconds then turn the
> switch to ON.  Press the front panel power ON button and check the
> panel buttons.
>
> If that fails to correct the problem you probably need Elecraft support.
>
> Keep the group posted.
>
> Ken
> WA2LBI
>
>
>
>
>
> On Tue, Jan 7, 2020 at 4:19 AM Ken Chandler <G0ORH at sky.com> wrote:
>
>> Hi guys
>> While I'm waiting for Elecraft support to come forward with a suggestion,
>> I thought I'd share my KPA500 (sn 0212) Amp's fault to see if it rings any
>> new year bells with anyone...hi
>> Just be4 Xmas I started getting an occasional fault whereby the Standby
>> switch would lock up, then after a few minutes another press of STBY and it
>> would go Green.
>> However now it's locked on STBY and won't budge plus all the other press
>> switches are locked out too like EDIT etc.
>> Other strange things are happening too, pressing tapping EDIT changes the
>> band in the Amp.
>> In 2019, I installed the USB kit into my K3, previous to this I've fully
>> upgraded the K3 to full spec.
>> When the K3 and Amp are both turned on the Amp senses the K3's current
>> band setting, but everything on the Amp is locked up.
>>
>> Appreciate any info or suggestions chaps!
>>
>> HNY
>> Regards
>>
>> Ken.. G0ORH - K3 full K line plus K2.
>>
>> Sent from my iPad
>>
>>
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