Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
The air conditioning unit outside is <2 years old. The thermostat on the wall has power, as does the entire house. All circuit breakers are on. The light for energy saver comes on, but will not turn on the air conditioning.
Look for a leak in the system, this is because, if you have a leak there is a low pressure switch that prevents the compressor to turn on when there is low or no refrigerant pressure.
Also, perform a pressure check, this is about 68.5 psi and 70 psi with the system and compressor running.
Posted on Aug 15, 2008
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Posted on Jan 02, 2017
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