How Do I Know I Have A Bad Capacitor In Hvac System?

Capacitors do the job of short term batteries in air conditioner. Capacitors are cylindrical in shape and store energy in the electrostatic field. The extra power which is required by the air conditioner while starting up is provided by the capacitor. It is not easy to identify if your capacitor is working properly or not.

Different types of capacitor a present inside your air conditioning system:

1. Indoor blower motor capacitor
2. Compressor capacitor
3. Start-up capacitor
4. Outside fan motor capacitor

Continues use of the capacitor reduces its capacity to store energy. Machines also need high amount of voltage when they get older so the capacitor may not be able to fulfil the energy demands. There are several reasons why the capacitor will fail to function.

 Symptoms of bad capacitor:

• With the bad capacitor clicking sound can be heard from the cabinet.
• When the capacitor starts failing it reduces the cooling capacity and its energy efficiency.
• With the bad capacitor you will get high energy bills.
• Fan of the outdoor unit will not start if its capacitor is not working.
• Indoor blower motor will stop working if the indoor capacitor is faulty.
• Compressor will make humming sound and will not start.
• When the capacitor has stopped working completely the motor to which it attached will attempt to turn on but it will not start. If the power is not turned off motor will start catching fire.
• If the capacitor is bad air will not blow out from vents.
• If the compressors capacitor is not working air coming out of the system will not be cool.
• A bad capacitor is always swollen.

If you see any of the above signs in your HVAC system call a professional to come and check the system.

 

 

 

 

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