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Honeywell RTH221B Support Question

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Question posted by jonifolsom on September 8th, 2014

How To Reset A Honeywell Thermostat Pro 1000/2000 Series

It shows the current temp in room. when you go to setwhat the temp is set for the display lights up on the current temp but does not let you set what temp you want

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Related Honeywell RTH221B Manual Pages

Owner's Manual - Page 1

...be programmed with a different temperature setting. For maximum energy savings without sacrificing comfort, you need to set its start time and its settings when the time display flashes. Low-battery warning Permanent schedule...seconds.) NOTE: The clock has lost its two temperature settings (one when the thermostat is in cooling mode and another one of the following the programmed schedule, ...

Owner's Manual - Page 2

... setting before removing the batteries. Set the System switch to be set the time.  Press the Set ...Honeywell that the current period has been overridden. LO appears on the screen and the period display will flash.  Press the  or  button to indicate that the defect or malfunction was without batteries. E2 appears on the screen. Replace the thermostat...