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Background:
Started getting low temp emails from RA stating that the temp was zero. Every time I checked my app everything appeared to be fine. This started about 30 days ago.
Now it's been reading zero for at least a half hour, but the relay is still acting as though it's getting a reading. The heater isn't coming on etx.
I have a spare probe that i plugged in - nothing
Re-booted the controller - nothing.
It's making me very nervous. Any ideas???