Carrier Central air conditioner Parts — Browse All Models

Common repair parts needed for Carrier central air conditioners

• Float switch. The float switch detects a clog in the evaporator condensate drain system. The float switch shuts off the central air conditioner if it detects water backing up into the evaporator
• Air filter. The air filter is located at the intake of the blower assembly. It removes dust and debris from intake air.
• Blower assembly. The blower assembly is the air handler that circulates air through the evaporator in the central air conditioner. It consists of an outer case, a blower motor and blower wheel.
• Wall control thermostat. The wall control thermostat is a temperature control device that mounts on a wall inside your home. The thermostat monitors temperature inside your home and tells the central air conditioner when to start and stop.

How to troubleshoot your Carrier central air conditioner when it won't start

• Check for electrical power.Check the house circuit breaker for the central air conditioner to make sure it’s turned on. Reset the circuit breaker if it’s tripped.
• Check the condensate drain.Central air conditioners often have a float switch mounted on the evaporator condensate drain pipe that shuts off the air conditioner if condensate water isn't draining. Shut off power to the central air conditioner and check for condensate water backing up in the evaporator drain system. Clear the drain to reset the float switch and restore power to the central air conditioner.
• Check the thermostat. Make sure you have the thermostat set correctly. Adjust thermostat settings if necessary. If the thermostat doesn't have power, check its wiring and reconnect any loose wires. Replace the thermostat if it isn't working.
• Examine the electronic control board. Disconnect electrical power to the central air conditioner and check the electronic control board wiring connections. Reconnect any loose wires and repair any broken wires. Check for burn marks on the circuit board and replace the electronic control board if you see burnt spots or melted wires.

When you need Carrier AC repair, trust our pros at Sears Home Services to visit your home and fix any central air conditioner problem that you face.