Why is my Honeywell RTH221B1047 thermostat not displaying the days of the week?
If your Honeywell RTH221B1047 is not displaying the day of the week, it usually indicates that the time and day have not been set…
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Honeywell RTH221B1047 Programmable Thermostat Owner’s Manual — questions & answers
Read product questions and troubleshooting answers linked to Honeywell RTH221B1047 Programmable Thermostat Owner’s Manual.
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How do I exit sleep mode on the Honeywell RTH221B1047 thermostat?
On the Honeywell RTH221B1047, "Sleep" is one of the four daily program periods. To exit this mode and resume your normal schedule or adjust…