Temperature display and "Cool" light flicker and click
When I turn on the air conditioner the temperature display and "COOL" light flicker and I hear a clicking sound. Nothing else. But the unit will run in "FAN" mode just fine. What is wrong with it? Does it need freon?
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If it's doesn't have a heater built into it (most do not) it is only designed to cool. Turning up the heat knob on it or digital display will ONLY make it cool to that temperature. Time to buy a space heater.
Check the temperature of the air coming out the vent If it's more than 10 degrees below the air going in it's ok. If it's the same temperature, the condensing system may be not working. The compressor may just be a quiet one!
Hi, The problem here is the compressor.... it has failed and will not start. You can try to replace the capacitor and see if it will go but most likely the compressor is toast. I t will cost more to replace it then to buy a new unit.
Here is a tip about troubleshooting your air conditioner... There are many things that can cause your air conditioner not to cool...
It sounds like you have a faulty unit, that has a bad built in thermostat. I'd suggest sending the unit back for a replacement, or get a refund, & buy another unit. What you may think is the compressor kicking in, might just be the blower fan. Try raising the temperture as high as it will go, & see if you hear a noise change to quieter. If it does get quieter then the compressor was in & is not working properly. Send it back.
Usually just listening closely will give you a rough idea where to look for problem. When you have the fan on and switch to cool, (with temperature turned down low obviously) do you hear any type of "moaning" sounds from AC unit, or see lights in RV dim slightly indicating that compressor is trying to engage? Is the breaker tripping when compressor tries to engage? Do you hear a "click" from AC unit when switched to cool? If none of that happens, then I'd start thinking thermostat, or compressor relay. Normally if it's a faulty capacitor, the compressor will try to engage but will make a "moaning sound" and usually trip the breaker due to excess current draw. Someone experience in electrical should be able to test relays etc, but whoever does work on it, should be aware that those capacitors, as well as hydro in general are very dangerous to work with. The ("zap",- Shock) that you can experience from a capacitor or hydro, can be fatal.