If your ACs are Colemans, the thermostat is noted to lock up from RF interference, fluorecent lights are on of many sources. If that's the case, you need to reprogram the thermostat to get it out of the lock up. As long as it's locked up it will continue to operate at the locked up setting.
Jim and Lynda, (Sophie, Jake, attack trained killer Shi-Tzus :-))
2003 Fleetwood Expedition 38N 2005 Saturn Vue