Hello,

I wonder if anybody had similar problem.
When I “run” I get fan starting running after 10-15 minutes. However after 
another few minutes of running the fan will shuts down every time I press a key 
( I am CW op). As a result the temperature of the PA goes higher and higher and 
at certain point the PA shuts down. If I check the temperature reading through 
temperature calibration in the menu I see that temperature reading jumping 
force and back with range of readings 10 - 20C. That kind of erratic temp 
reading continues even when temperature of the heatsink goes down. If let the 
trcv to cool (overnight) the temperature readings are stable with range of 
reading +- 1C.

I check soldering and mounting - if there were problem they were fixed. But no 
results so far. I also upgraded the PA a week ago and that did not have effect 
on the overheating.

Any input will be appreciated.

73, Arkady
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