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Re: [Amps] AL-82 Blowing fuses on startup

To: "Jim W7RY" <w7ry@inbox.com>, "Mitch Cox" <ww4cox@embarqmail.com>, "Gary McAdams" <g.m.mcadams@comcast.net>, <amps@contesting.com>
Subject: Re: [Amps] AL-82 Blowing fuses on startup
From: "Carl" <km1h@jeremy.mv.com>
Date: Sun, 14 Nov 2010 17:55:24 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Not according to the schematic.

Carl
KM1H

----- Original Message ----- 
From: "Jim W7RY" <w7ry@inbox.com>
To: "Mitch Cox" <ww4cox@embarqmail.com>; "Gary McAdams" 
<g.m.mcadams@comcast.net>; <amps@contesting.com>
Sent: Sunday, November 14, 2010 4:35 PM
Subject: Re: [Amps] AL-82 Blowing fuses on startup


> 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@embarqmail.com>
> Sent: Sunday, November 14, 2010 5:50 AM
> To: "Gary McAdams" <g.m.mcadams@comcast.net>; <amps@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@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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>>
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