[time-nuts] FTS 1200

John Miles jmiles at pop.net
Thu Aug 9 20:35:30 EDT 2012


> In a message dated 8/9/2012 8:07:24 P.M. Eastern Daylight Time,
> bg at lysator.liu.se writes:
> 
> Hi  Bert,
> 
> So the EFC does not work at all?  (or did I miss something  obvious?)
> 
> /Björn
> 
> > The unit starts high and over 20 minutes  comes down to 4.9999975 with 0
V
> > on the EFC. Any voltage on pin 2 and  it quits oscillating.
> > Bert

What happens to the current drain as the unit warms up?  Does it fall off
after 5-10 minutes as expected?  If not, it sounds like the oven controller
may be stuck on, overheating the crystal.  I'd look into that possibility
sooner rather than later.

-- john, KE5FX
www.miles.io






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