[Elecraft] K3 shuts down

[G4GNX]

You can buy me a coffee sometime. 🤣🤣

Glad you found the issue. It’s always comforting when it turns out not be the rig.

73,
Alan - G4GNX
South Coast UK
Elecraft K4D / KPA500 / KAT500 / IC-9700



> On 28 Aug 2024, at 22:15, Glenn Thorne <kd0q.glenn at gmail.com> wrote:
> 
> Problem solved.  It was the power cable.  Noticeable number of strands of
> the #12 wire were broken at the ring terminal end at the PS.  14.3 volts
> dropped to 11.5 on keydown at 100 W.  Replaced cable with #10 and now have
> 13.8 V on keydown.
> 
> Thanks for everyone's response.
> 
> 73, Glenn - KD0Q
> 
> On Tue, Aug 27, 2024 at 9:30 PM Glenn Thorne <kd0q.glenn at gmail.com> wrote:
> 
>> Just tonight my K3 with KPA3 running 100 watts shuts down during digital
>> transmissions.  It appears that it happens after the PA temp is 47 C.
>> Maybe the first time it hits 48 C?
>> 
>> I checked the KPA3 FN1 - 4 settings and it appears that the fans work.
>> 
>> At what PA temps should the fans come on?  Increased speed?
>> 
>> Any ideas where to start troubleshooting will be appreciated.
>> 
>> Glenn - KD0Q