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Okay another question for the AC dudes around here. We have a 4 year old Lennox system (XC14). Yesterday during the afternoon my wife calls to say the AC isn't working very well, if at all. The temperature had increased in our house from 80-84 in like 30 minutes. I tell her maybe it just can't keep up with the extreme heat, but that it does sound weird. When I get home it is already 88 in the house. So I go downstairs and check the AC. The 2 freon lines are almost the same temperature and feel like room air temp. The plenum above the evaporator doesn't feel cool either. I went outside and it doesn't sound like the compressor is running but the fan is. I say is doesn't sound like the compressor is running because it has always been very quiet anyway. I opened up the AC to wash off the condensor coils which were a little dirty but not bad. I put everything back together and turn the unit back on. Still nothing for about 30-60 minutes. Then all of the sudden it starts back up. It ran all night and was still running when I left for work this morning. We scheduled a 3:00 pm service appt for today when it wasn't working. Questions:
1. Does it make any sense to have a AC tech come out now that it is running?
2. What could have caused the unit to shut down for a few hours?
3. Is the compressor overheating and causing it to fault out and shut down? If so, what could cause that to happen?
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