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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 7583
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have an aprialaire 8463. I changed the batteries and it

Customer Question

I have an aprialaire 8463. I changed the batteries and it now says off
Submitted: 12 months ago.
Category: HVAC
Expert:  Phil replied 12 months ago.

Hello, this should be the manual for it, let me know if it is or not

https://www.aprilaire.com/docs/default-source/product-owners-manuals/Thermostat/aprilaire-thermostat-model-8448-owners-manual.pdf?sfvrsn=4

Tell me if you have a multi meter or not and a bit about your technical skills so that I can approach this most effectively for you.

We can go from there.

Customer: replied 12 months ago.
I figured it out on my own, you have to hit the reset button and hold it for awhile. I did that initallybut I guess I did not hold it long enough. . Amazing how even the company that installed it did not tell me about it. The manuel does not telkl you about it either.
Expert:  Phil replied 12 months ago.

Good work! Welcome to the modern world, we are reaping the results of our spectacular educational system.

You can rate my efforts if you like, it will not cost you anything, Its how I earn a living though.