Electronic advice Off Topic I know but yous guys is smart
"Richard J Kinch" wrote in message
. ..
You can just monitor the
voltage across the defrost coil to detect whether it is on or off.
That lashup won't detect any problem if the heater element happens to burn
out (it happens all the time) I think a thermocouple is the better idea, that
removes all doubt.
Vaughn
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