Christoph Lebuteur 
If your air conditioner is not working fine, air conditioner trouble shooting is what you should consider. The first thing that you should ensure is that your thermostat has been set at a lower temperature than the room temperature. The switch should be turned onto ‘cool’. If it is possible to program the thermostat, make sure that it contains fresh batteries.
The next thing in the process of air conditioner trouble shooting is to check the power by turning the switch of the fan to ‘on’ from ‘auto’. In case, nothing happens, means that the control has been burned or the power has been disconnected. But, if the blower works, it means that the power is there. If your system employs a furnace for the purpose of creating heat, confirm if the emergency button has been switched on.
If you have knowledge about the circuit breaker panel or fuse, look for tripped breakers or blown fuses. Fix up the problem only once. If the problem reoccurs, it is advisable to call for a professional.
At the time of air conditioner trouble shooting, when the fan is directed to ‘auto’ and selector switch to ‘cool’, turn the thermostat lower than the actual room temperature. If the condenser doesn’t work, but blower does, examine circuit breaker panel. The problem may be with the condenser, if breaker is working properly.
