The great news is that detecting a damaged capacitor doesn't always need a high level of expertise or understanding. There are a few basic tests you may do to see whether the capacitor is faulty.
The most basic test is to wait until your condenser unit turns on, then gently push the fan blades around with a stick.
If the fan continues to run after the motor starts, it's a solid indicator that the starting capacitor isn't transmitting the required power pulse to start the fan.
If you've determined that the capacitor is faulty, an air conditioner capacitor replacement is simple to locate. Because air conditioner capacitors are designed particularly for the motor, the replacement must match the present run capacitor's specs.
Run capacitors are often not available at your local hardware shop; instead, you must visit an HVAC warehouse or buy the item online.
Then, at the breaker situated on the exterior of your home near the unit, turn off the electricity. After that, look behind the service panel on your machine for the capacitor.
Make sure you're wearing protective clothing since even if the capacitor isn't working, it might be storing energy. Before removing the capacitor and replacing it with the new one, test it by inserting a rubber-handled screwdriver over the terminals to discharge any stored power.
It's critical that you take your time and replace the new capacitor precisely as the old one was removed. If you are unsure about locating and properly discharging the capacitor, the best course of action is to contact an HVAC professional in Phoenix, AZ.
Steps to replace or fix a capacitor:
- Remove the power disconnect or switch off the air conditioner.
- Takedown the access panel...
- Take note of the capacitance and voltage rating of the old capacitor...
- Remove the old capacitor and discharge it.
- Replace the capacitor with the new one...
- Restart the computer and run a test.