I have a window unit AC. Lately, even when I turn it completely off, the motor runs sporadically. It does not blow air when it does this. It didn't do this until the past few weeks (I've had it several years). It continues to work well other than this.. ols well and everything.
Connect a Dual Throw Dual Pole switch to the compressor. Let the fan run all the time since it doesn't use much energy. Manually operate the switch to keep room to desired tempurature.
if its real old it could be the switch is shorting out. try to turn it off and wiggle the switch to see if it runs. Or if it is running try to wiggle the switch to see if it shuts off. Another possible problem could be that the outlet is wired backward and the unit is hot all the time. U would need a outlet tester to find that out or a Volt meter.
What is running intermittently? The compressor or the fan motor? Some have energy saver features that cause the fan to come on every so often to check the room temp to see if it needs to cycle the unit on. Possibly the energy save feature is malfunctioning? Have you tried unplugging it for awhile then replugging it to see if it stops doing it? Might reset something? Electronics can do weird things sometimes that a reboot takes care of. *update* Easy way to tell whats running when you first plugged it in did you feel air blowing out or did it just make noise?
