Honeywell RTH230B 5-2 Day Programmable Thermostat Large "changing batteries programmer" Questions

programmable A/C thermostat has power but shows no temp. Hi, my programmable A/C thermostat shows power but no temperature (just disappered). No A/C. Fan runs continually. Shows ''Lo Bat'' but changed

960 manual I have a carrier thermostat model 960 120032-2 and the display is very dim . . . Is this a battery problem? Do I need a new thermostat to make the display more readable?? Yes change ...

trying to change T-stat from carrier 5 wire to a new programable but have no place for blue wire aka common and can not get 24 volts without it New programmable with no common? Odd, has to battery ...

...batteries 3 times just to make sure they were ok & from different shops I have now placed the programmer closer to the boiler receiver in a more direct line which seems to be working! is it ...

i have a programmable 1f8261 it says battery low, do you know how much time before i HAVE to change it? Immidiately.

won t turn I changed the battery of my thermostat and now air wont turn on Is it a programmable thermostat or just a standard thermostat?

emerson thermostate screen is flassing It may be in program mode & waiting for information to be keyed in or the back-up batteries are low and need to be changed.

I changed the batteries and now there is nothing displaying on the screen. The air conditioner is working. Contact Honeywell and see if there is some sort of reset for unit.

...carrier thermostat ,stopped working and i have no screen.what does this mean If it's a 24 volt system, the line transformer has failed. If it's a battery operated T-Stat, the batteries need

...side of the air handler. So check your thermostat to see if it does take a battery(s) and try changing