Virgil, ours does the same thing occasionally. I believe it is a function of the A/C's "brain," used for energy conservation? Usually happens on very hot days when A/C is running for longer period of times. When temp at thermostat nears set point, within a degree or two, the A/C senses the temp is nearing the set point and sifts to a lower speed. IIRC, we had a tech lecture at the national rally one year and this was explained by the factory guy. I'm certainly no expert on the A/C system, or the electronics but, after living in our unit full time for the last 7 years, I have some experience with the operation. I believe there is two temp sensors, one at the thermostat and the other in the unit itself. I notice that in the morning when the outside temps are rising, the thermostat in the BR which is mounted on the front wall so gets warmer faster than ambient room air temp and triggers the A/C to come on. The unit engages and begins circulating the air, which in actuality is cooler than wall temp, the unit senses the compressor is not needed to cool the air so it runs for short time and shuts down. After a short time, the unit repeats this cycle until the air temp is above the set temp and then the compressor kicks in. This usually occurs in the early morning, rarely in the evening. Once past this early morning temp discrepancy, the unit functions correctly through out the day. This is all based on speculation gained from hours of listening to our unit operating. So, in short, IMHO, your system is operating as designed. To combat this, when your system starts the short cycling, you can bump T-stat up or down, and it should stop doing this for a while. Good luck