How do I know the air-conditioning compressor starts?
1, listen to the outside of the sound, the compressor startup sound and the external fan rotating sound is not the same. The fan is whistling and the compressor sounds a bit stuffy.2, listen to the voice inside the machine, just after the start of the opportunity in the compressor Freon flow seemed to like the sound of water. Except when there is no refrigerant in the air conditioner.3 、 measuring current, after the compressor starts, the current reaches at least 3A above.4, housekeeping lights, in some cases, when the compressor starts, the family lantern flashes.5, touch the outside of the iron plate is not hot, do not touch the face of the sun, compressor start 15 minutes later, the shell will be hot.6. Unplug the wire from the fan outside and listen to the sound. Yes, the compressor has started.7, feel the air outlet whether there is cool breeze. Yes, the compressor has started. Except when there is no refrigerant in the air conditioner.8, touch the outer machine connecting pipe of the pipe, there is a sense of cold, the compressor will start. Except when there is no refrigerant in the air conditioner.
Take a look at the fan of the outdoor machine and know that the fan will turn on the compressor as soon as it is started.
See if there's air conditioning out of the air conditioner.
