I believe the problem is specific to the Acom 2000A but not 100% sure that
Acom amplifier models are immune. Using a BCB high pass filter fixes the
problem. It's due to low level, low frequency spurs in the Orion rf output
that trigger the Acom arc fault detection circuit.
I agree with Carl and don't believe that firmware versions have any effect
on this.
Barry N1EU
On Tue, Jan 24, 2017 at 10:05 AM, Carl Moreschi <n4py3@earthlink.net> wrote:
> Rick,
>
> I don't have that firmware. But I do not believe changing the FW will fix
> the problem. I believe that problem comes and goes with temperature
> variations.
>
> The fix is to get a filter to connect to the output of the Orion between
> the Orion and Acom. I researched this last year and found a filter. But I
> sold my Acom 1000 and now use a different amp. So that fixed it for me.
>
> I think Barry, N1EU, has the info on the filter.
>
> Carl Moreschi N4PY
> 58 Hogwood Rd
> Louisburg, NC 27549
> www.n4py.com
>
>
> On 1/24/2017 9:50 AM, rick@dj0ip.de wrote:
>
>> We are trying to load firmware V3.025 onto an Orion 565.
>>
>> It has been running V3.032.
>>
>>
>>
>> The V3.032 runs OK when barefoot but when using an Acom amplifier, it
>> causes
>> the ARC FAULT problem with the amp.
>>
>>
>>
>> When the radio was running V3.025 in the past years, it worked OK.
>>
>> We would like to put the old firmware back onto the radio.
>>
>>
>>
>> We have downloaded the specific firmware from the RKR site
>>
>> (http://www.rkrdesignsllc.com/support/product-documentation/
>> product-document
>> ation/ten-tec-565-orion/ ) but it does not run.
>>
>>
>>
>> Other (older versions) downloaded there run OK but that specific version
>> seems to be corrupt.
>>
>>
>>
>> Does anyone have this firmware or know of another site where we can
>> download
>> it?
>>
>>
>>
>> TNX
>>
>>
>>
>> 73
>>
>> Rick, DJ0IP
>>
>>
>>
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