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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a Honeywell T8000C thermostat and when I turn on

Customer Question

I have a Honeywell T8000C thermostat and when I turn on cooling it only cools mildly. It reads 28C and no matter if I reduce to 4C wont cool. System set to COOL and Fan either to auto or On.
On display it states 28C with a snowflake.
Can u please help
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

Can you look and see if outdoor unit is coming on? If so feel of the large copper line t outdoor unit and tell me if it is cold,cool or same as outdoor temp.