Air Conditioning Troubleshooting Guide
Before you ask for the help of an air conditioning repair service man to check your air conditioner that is not cooling anymore, you may want to see and check by yourself some of the other possible causes that made your air conditioning unit stop working.
First of all, the most obvious thing that should be checked or even double-checked, is to test if your air conditioning system’s air filter is restricted. This will probably cause your indoor coil or evaporator to freeze up. If your system has a v-belt fan, try to check it out, making sure it is not broken or slipping. If in case the evaporator of your system broke up, you will notice a leakage in and around the air handler, furnace or window type AC units. One more apparent sign for a broken system would be in fact seeing build up of ice on the coils or refrigeration lines connecting the condenser and evaporator.
If your system is not really operating in its natural way, troubleshooting of your air conditioner should be done. The first thing that we should do is to set the thermostat at a lower temperature. The temperature of the thermostat should be set lower than the room temperature. The switch button should be turned to cool.
If you can program the thermostat of your air conditioner, the next thing to do is to test the power button by turning it on from auto. If nothing happens, it means that the controller and the switch button are burned. It can also mean that the plug is not connected so make sure to check if your system is plugged in the socket. If your air conditioning system utilizes a furnace to create heat, check if the emergency button is turned on.
If you know something about the fuse or circuit breaker panel, check for blown fuses or tripped breakers. Try to fix the problem just once. If your system’s problem occurs once again, it is now advisable to call for an air conditioning repair service man.
When the fan is headed to auto and switch selector to cool during troubleshooting, turn the switch to a temperature lower than the room temperature. If the blower is working but the condenser is not, check the circuit breaker panel. In this case, the breaker is the only one functioning.
Some of the components of the system may be shortened with a high pressure. This is due to the buttons that are stuck out of the cabinet, typically close to the refrigerant lines. Try to press it inside for a long time to rearrange it. If your system is working properly but still, there is no cooling, check the larger copper line that is in the condenser.
A warm copper line recommends that either the system is not working or the compressor has turned down. On the other hand, a cool copper line means there is a small problem with the flow of air inside, or there may be a clogged filter. If Freon has charged low, it also leads to freezing. Shut down the system and allow it to melt completely. If it freezes back again, contact a professional.