AboutCraig HVAC Expert Expertise I have been in the HVAC field for the past 12+ years. I can help with most HVAC questions. I work on commerical buildings for the most part, and have yet to find anything I could not troubleshoot and repair, when repairable. I work on small 1 ton units to a 2500 ton chiller. Troubleshoot air flow, elect, and control problems. I attend regular classes to keep up with the latest and greatest.
Experience I have work in the HVAC trade for the past sixteen years. I work on commerical sites, hospitals, gov't buildings. I can troubleshoot just about anything in the HVAC business.
Education/Credentials 5 years union trade school, VFD training classes, Liebert factory training, some York and Trane factory training.
Question I have a carrier unit with the unit in the attic and the compressor outside. When I turn on the ac the unit upstairs blows air out the vents but for some reason the compressor is not turning on. The breakers are all fine, there is no water in the drip pan and the safety switch in the drip pan is not tripped. Any help would be appreciated. Out of work and could use the money savings.
Answer Using a meter, the power needs to be checked at the cond. unit to see that the compressor contactor coil is getting 24v and there is also 220v to the contactor on the line side. Depending on what power is or is not found will determine which way the troubleshooting will have to continue.
