[Amps] Alpha 87A troubles with fault 17

[W0UN -- John Brosnahan]

Don't do emails when trying to sort out amp problems--it takes too
long to get to the heart of the matter.  It is much better to call the
manufacturer.  A two-way dialog usually discloses some sort of issue
that would NEVER get mentioned in a two-way series of email exchanges.
 From my personal experiences on both ends of trouble-shooting, a
phone call is 1000% better to get to the solution quickly.

--John    W0UN


At 08:48 AM 1/21/2004, Andy Forsberg wrote:

>Hi All,
>
>I have a TS 950 and TS 2000 driving a New Alpha 87A. I am continually
>getting fault code 17 in SSB while talking which puts the amp into standby
>mode. The amp is tuned properly either using default, manual, or AlphaMax.
>Nothing seems to help.  Alpha factory will not return my e-mails so I have
>know idea how to get these radios to drive the Alpha.  When I took the amp
>out of the box at turn on I got a hard fault 24 and the amp would not come
>on line. After two power ups I finally got a green board. The first time I
>applied 20 watts drive power it faulted. That cleared I was finally able to
>get the amp to full power and sic.... operational. The fault code 17
>(extreme miss-match) started right away and have not stopped. I can not get
>through a transmission without a fault 17 occurring.
>
>I understand that Icomm 781's had this problem also? Are these ALC
>overshoots? Can they be prevented? Is this a problem with Alpha or Kenwood?
>Either way the amp is useless as long as it keeps faulting.
>
>Thanks for any help the group can offer,
>
>73 Andy WW7A
>
>Latitude  N  47.35 degs
>Longitude W 122.95 degs
>
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