Blog Title: what causes window ac compressor to come on

Main Que: What causes the compressor of a window air conditioner to come on for a few seconds then shut off then back on in a short period of time no mater what the temperature setting?

Answer: Could be very dirty and the lack of air flow is tripping the limit, could be the comp is seizing. This situation could be due to the cold air output gets sucked back immediately into the unit causing the thermostat to cut out. Make sure that the sponge seal between the outlet air and the return air is in place, it is just behind the front cover.