[Elecraft] KPA1500 Low Gain Fault and then distorted output

[wa3afs at nycap.rr.com]

Does not look very promising.....

First, I experienced 2 back to back OVR 61 - LOW GAIN freq 10120 inp 7W fwd 40W refl 2W swr 1.5 9A 23C adc169 power 
ratio 6

and then a single FLT 61 - - LOW GAIN freq 10120 inp 7W fwd 40W refl 2W swr 1.5 9A 23C adc169 power ratio 6

After that no error indications BUT I first observed that it took double the input power to get to my expected normal output power

and 

Then audio reports that said I had RF on my signal (when the KPA 1500 was being used).  Running barefoot audio was normal.

Any ideas?  I generally run the KPA1500 in the range of 200 watts (30M) to 700 watts (normally around 500 watts)

Disappointed....This is the 3rd failure ( 2nd for RF deck) of my KPA1500 in less than 2 years.


73
-- Bruce, WA3AFS