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The blinking light just means normal operation when the thermostat is calling for heat.
M Oglesby :
What pattern is the light blinking in?
1 blink pause, 2 blink pause, 3 blink pause, etc.?
No pattern. It just blinks continuously. I counted 50 blinks with no pattern. Just on, off, on, off, on, off.
Is the heat working?
Yes. the heater seems to be working just fine.
You have no worries.
Thanks for your answer. I can now have peace of mind.