[Elecraft] [K2] KAT100 error

[W4HDM]

My KAT100 was working fine then developed a problem recently.
For those wondering what happened to my for sale listing this is why I
removed it.

At first the tune sequence would tune at times and other times it would stay
at 9.9-1 and the lights would work most of the time. (Using a dummy load as
well as an antenna)

I checked the solder connections in the KAT100 and retouched a few. I
noticed no change in behavior. I put the radio away for a few days and
revisited the problem today .... 

Before doing anything I did a SWR Bridge alignment on the KPA100 just to be
sure nothing had changed. I adjusted for 0 voltage using a DMM as instructed
in the manual.

Currently, the tune sequence gives a 1.0-1 reading on the K2 meter but the
scale lights on the KAT100 do not light up while tuning or when keying. The
antenna and power lights are working properly.

When keying 100 watts into a dummy load the power is reduced by various
amounts depending on the band and the K2 shows HI Refl, the same symptoms
using an antenna. 

Using the menu for tuner readings, after hitting tune in the dummy load, I
get:

L00.4
C0.08
nET2
t 197
E243
Init
F1.05
L0-L8 get relay clicks as well as 
C0-C8 and
N1-N2

I am using the The KAT100/KPA100 in their own enclosure.

Any help on where I should start from here to solve the problem?

Thanks,
Damon 

(Don .. I sent you an email on this when the symptoms first started, maybe
it was lost in SPAM)


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W4HDM-DAMON-K2#473 


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