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Old 03-25-2025, 01:37 PM   #1
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Thermostat reading A9ur

SURBAN HEATER READING
A9UR
heater went off. After short time. Cleaned and reset switch outside. Heater works again but thermostat still reads A9UR
?
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Old 03-25-2025, 06:15 PM   #2
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Quote:
Originally Posted by pmccharles View Post
SURBAN HEATER READING
A9UR
heater went off. After short time. Cleaned and reset switch outside. Heater works again but thermostat still reads A9UR
?
You may want to turn off all 12 volt power to the thermostat, wait 10 seconds or so and see if it resets when you turn power back on.
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