Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
AC was working fine until today, then just stopped. Neither the AC or heat will kick on. Brand new thermostat that was working fine for the last few weeks (Honeywell RTH7500). It said, 'permanent hold' for a while, but somehow I managed to get that off (I have no idea how), but still nothing. We recently had the compressor serviced to make sure it was working properly and all was well. Any ideas or suggestions would be appreciated. Thanks!
Is the tstat in cool mode? if not hit the mode button untill cool pops up then hit the down airow untill desired temp. sometimes the thermostat has a 5 min delay so be patent. If unit still does not run call the service co. and find out about how long they warranty their service call. usualy one month.
Posted on Jun 15, 2009
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Posted on Jan 02, 2017
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