Question about Heating & Cooling
I have a Honeywell CM921 thermostat. I stupidly let my young daughter play with it but shes now changed something on it and i haven't got a clue how to change it back as i don't know what the problem is TO change it. Ive put it onto manual as i always do but its now not going any higher than 5 degrees. Ive looked online and through the manual but there doesn't seem to be anything there. Please help
Press the time button once. The display will show 'RESET PROGRAM'.
Press the or buttons to select the preferred setting (0=user program,
1=factory program) and the display will flash, indicating a change has been
made. To confirm this change press the green button.
and don't let your kid play with it again until next year when her grasp on technology exceeds the current model smart phone... LOL
Posted on Dec 13, 2014
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Posted on Jan 02, 2017
Take the cover off and see if there is a reset button (usually recessed so you need a pencil or wire to push it. If that doesn't work check on the circuit board for a blown fuse. It might be like a car fuse 3-5 amps.
Posted on Sep 20, 2014
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