[Elecraft] k3 various & intermittent errors on power on

[Bill Steffey NY9H]

k3  sn 22xx.... loaded option wise  ( no 2mtr)

last week  vfo did not move receiver ??...
and heard no sigs  till after i changed bands and back///

upon pwr on   get err codes..
first  was  KIO

THEN      IF1

PWR DN AND UP AGAIN ,,,

KIO
IF1

I RELOADED FW THINKING THAT WOULD BE EASIEST ..
then got the  kio error again/.///

RADIO WORKS FINE

sounds like i need to take it apart and deoxit  everything  front panel  and
reassemble.
other ideas ????