[Elecraft] KPA100 Problem solved

[W5EI@cs.com]

Took a close look at Q3, temp. sensor on the KPA100 board.  Although I had 
retightened the mounting hardware two weeks after construction per Eric's 
suggestion, it had worked loose.  It may be that I had not used enough 
torque, fearing overtightening because problems had been reported with the 
metal lockwasher damaging the case of Q3.  In any event, after retightening 
the mounting hardware for Q3, the radio powered up this morning with the 
temperature reported via the CAL tpa menu as the correct ambient temperature. 
 The fan (set to nor) no longer comes on when initially powering up the radio 
 I think that the loosely mounted Q3 might have not been in sufficient 
contact with the heat sink to report a correct temperature reading.   Thanks 
to all who replied to my question.

73,

Don McNallen W5EI
KPA100 #2478