Carrier Heat Pump Model #38YDB037. I noticed the last couple days that the house was not cooling. The blower motor was running but I went outside and the condenser fan was not running. I reset all the breakers and after a couple minutes the condenser/fan would turned on for a short period (<10...

I have a new Carrier Infinity 25HNA636A310 compressor. Does it run in both speeds when in heat mode

Hi, I have a Carrier 38VYX080N / 40DQV080 (heating and AC) which has a non programmable thermostat. I want to replace it with a honeywell 7400 but can't figure out what wires go where on the honeywell. I have attached the wiring diagram that came with my heatpump. Any ideas? Thanks.

I have a carrie heat pump that is working fine so far. It still provide heat for my home. It just dose not go in to defrost mode to defrost the out side unit. I have read to put the unit in auxialry mode to get a few extra defrost cycles in, but when I read the flash codes it never say anything...

Our Carrier heat pump is not cooling our house. This is the first time it has been on for cooling this year. The system is running outside and the system inside is running and cool to the touch, but nothing is coming out the vents. It sounds like the fan is running. The thermostat is set for 72...