Disconnect the contactor wires from the power source to begin the repair. To measure the current flow through your contactor, you will need a multimeter that can be purchased at any hardware store. The multimeter's low voltage terminals should be connected to both ends of the contactor. It's possible that the contactor needs to be replaced if readings are low. Re-connect the wiring and replace the contactor. After the repair is completed, turn off your air conditioner.
Start by unplugging the contactor. Next, connect a multimeter to measure the current flow in the contactor. You will then connect the low voltage terminals on the contactor to your multimeter. If readings are low then it's likely to need replacement. Reconnect the wiring and replace your contactor. After the repair is done, you should turn off the air conditioner.
If the evaporator coil appears to be frozen, switch off the power supply at the appropriate electrical box breakers. This is to prevent the unit accidentally turning on. Next, allow the ice to melt. This can take up 24 hours. To diagnose the problem, call a licensed HVAC technician.
Water leakage in your air conditioners could be due to clogged drain lines or faulty condensate pumps. Although you can perform some repairs yourself, professional HVAC technicians are best suited to handle the problem fast and safely. Professionals have the necessary equipment and training to repair and diagnose leaks and resolve the underlying causes.
Routine maintenance will help reduce the likelihood of your central air conditioner system going down. This will result in a lower cost for you over time. Regular maintenance will help ensure that your system is running at maximum efficiency and lower your energy bill. Regular service will extend the life of your air conditioner and decrease the likelihood of it needing repairs. A maintenance contract may make this service more affordable than a one-time repair.
Routine maintenance will decrease the chance of your central heating system breaking down. This will help you save money over the long-term. Regular maintenance will make sure your system operates at peak efficiency, which in turn will lower your monthly energy bills. Regular service will prolong the life of the air conditioner, and lower the chances that you'll need repairs. This service can be less expensive than a one time repair if you have the maintenance contract.
Even though it may seem difficult to fix an AC unit yourself, the knowledge is there. Even though you need to be careful and have electrical knowledge, replacing an AC contactor can help you save hundreds of dollars. A residential unit contactor costs around $20-30. You can test your skills by doing a few DIY projects for air conditioning repairs if you are a skilled mechanic.