[Elecraft] K3 - stuck at MCU LD we upgrading software

[Ron D'Eau Claire]

Yes. There is an automatic resetting fuse in the main circuits and a circuit
breaker for the amp that is reset with a button on the back of the K3S. 

73, Ron AC7AC

-----Original Message-----
From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Tom
Sent: Sunday, January 29, 2017 2:31 PM
To: Ron D'Eau Claire
Cc: elecraft at mailman.qth.net
Subject: Re: [Elecraft] K3 - stuck at MCU LD we upgrading software

Thanks Ron.  Not sure if my old Astron 35A has built in over-current
protection or not.  I know it has the crowbar protection for over voltage.

Does the K3S have any kind of internal protection like a resettable fuse?



73,
Tom - KQ5S

On Sun, Jan 29, 2017 at 4:15 PM, Ron D'Eau Claire <ron at cobi.biz> wrote:

> That depends upon the power supply. My Astron has over-current 
> protection that shuts it off in the event of a short. The output stays 
> off until I cycle the power switch on the Astron, so I don't use any 
> additional protection.
>
> 73, Ron AC7AC
> -----Original Message-----
> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of 
> Tom
> Sent: Sunday, January 29, 2017 1:58 PM
> To: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] K3 - stuck at MCU LD we upgrading software
>
> Are folks hooking their radios directly to the power supply without a 
> fuse inline?  I noted that the Elecraft supplied cable for my K3S did 
> not include a fuse.
>
>
> 73,
> Tom - KQ5S
>
>
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