Web,
If it's a solder joint, you'll probably have to open up the hood and
look around to find it. Generally taking a DVM and hooking it between
the circuit, then use a pair of needle nose pliers to move some things
and see if the meter twitches. Or, if you could do it after if fails,
use some freeze spray on the connections while watching a DVM on the
circuit. I'd also check any switch contacts that might have gotten hot
and or corroded.
I shouldn't tell this, but when I worked for ACF Industries, as a plant
electrician, sometimes we had to find things the tough way. Now again,
I'm sure not recommending you do this, just wanted to tell the story.
The assembly lines there couldn't hardly be shut down, so an
intermittent problem was found by brute electrical force. We'd jump the
fuse out with a copper rod, turn on the main power, and look for the
smoke! It surely would find the problem fast. However, there was some
new wire to be pulled afterwards too! LOL! I had to tell that one, just
had too.....
Anyhow, it'll eventually show itself more and more. You'll probably find
it where you least expect.
Will Matney
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