hardware debugging - history repeats itself

Director csmuseum at cse.uta.edu
Mon Jul 25 03:18:55 CDT 2005


Last time the air conditioner at out farm went out it turned out that fire
ants had built a mound inside the control box on the compressor outside the
house.

;)

Gil


> -----Original Message-----
> From: cctech-bounces at classiccmp.org 
> [mailto:cctech-bounces at classiccmp.org] On Behalf Of Jack Rubin
> Sent: Saturday, July 23, 2005 8:26 AM
> To: fufu at flexusergroup.com; Classic Computer List
> Subject: hardware debugging - history repeats itself
> 
> Just wanted to share a success story - 
> 
> During the last Chicago heat wave, our air conditioning 
> stopped working.
> Nothing, furnace (we have those up north) fan worked fine and 
> air was circulating, but no cooling at all. No response from 
> the compressor. Supply and control voltages all checked out 
> ok, thermostat worked, etc.
> 
> Turned out to be an earwig (small insect) trapped in the 
> contacts of the compressor controller. Removed said insect, 
> cleaned up the contact points and we were cool.
> 
> Shades of Grace Hopper and the Mark II moth!
> 
> Jack
> 
> 
> 




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