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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a honey well thermostat with 2 systems in a 2 story

Customer Question

I have a honey well thermostat with 2 systems in a 2 story house. One thermostat for downstairs (Main one) , one for upstairs (secondary ) . Currently, the upstairs unit is running on the desire cool setting at the set temperature. However, the bottom is not. There is no blinking cool on indication.
Submitted: 1 year ago.
Category: HVAC
Customer: replied 1 year ago.
(Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Customer: replied 1 year ago.
Honeywell TH5000 Thermostat
2 unitsModel Number TH6110D1021
Customer: replied 1 year ago.
humming sound from AC vent.
Expert:  Phil replied 1 year ago.
Hello.So far it sounds like the bottom unit has lost 24volts control power. I need the brand and model number of the furnace or air handler that serves the first floor. And, I need to know a lot about your technical background so that I can coach you on trouble shooting the system most effectively. We can go from there..

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