[Amps] AL-82 Blowing fuses on startup

[Jim W7RY]

If the step start relay were shorted, the fuse is by-passed.  In other 
words, the fuse is not in the circuit, it's shorted out by the relay 
contacts.

73
Jim W7RY


--------------------------------------------------
From: "Mitch Cox" <ww4cox at embarqmail.com>
Sent: Sunday, November 14, 2010 5:50 AM
To: "Gary McAdams" <g.m.mcadams at comcast.net>; <amps at contesting.com>
Subject: Re: [Amps] AL-82 Blowing fuses on startup

> Sounds like the step-start relay is welded. That's where I would start.
>  ----- Original Message ----- 
>  From: Gary McAdams
>  To: amps at contesting.com
>  Sent: Sunday, November 14, 2010 8:47 AM
>  Subject: [Amps] AL-82 Blowing fuses on startup
>
>
>  Hello Group.
>
>  Short question: I have an AL-82 that has started to blow a fuse on 
> start-up.
>
>  It doesn't do it every time, and when the fuse is replaced the unit
>  starts OK and runs all day w/o problems. This all started when I
>  re-arranged the shack. The unit is about two years old.
>
>  The first time it happened, I checked the AC input at ~248 volts. Is
>  this too high?
>
>  So, any ideas on what to look for or where to start? As I sit here the
>  amp is on and running, but yesterday I had to replace a fuse to get it
>  started. This is only twice that I've had to replace the fuse, but
>  that's two times too many.
>
>  73 Gary WG7X
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