How To Reset Honeywell Thermostat Rth221B1039. Enter in the new passcode from the menu option on the thermostat. Select one of the reset option and click on select.
Remove the batteries and put them back in the correct way, then close the battery door. Your honeywell t5, t5+, or t6 thermostat is now reset. Enter in the new passcode from the menu option on the thermostat.
Insert The Batteries Backward, So That The Negative Pole Lines Up With The Positive Terminal.
Once the reset option is visible on the screen click on select. Confirm your thermostat is on. Select one of the reset option and click on select.
T10 (Thx321Wf) Press The Menu Icon.
For example, if the date code is 1420, then add 1420 + 1234. Separate the thermostat from the wall plate and position the wall plate against the wall. Honeywell rth221b user guide language:
Check If Yours Has One Because Thermostats Could Be Sensitive To That And Even Stop Working If There Is A Problem.
Select the menu option on the home screen of the thermostat. Detach the thermostat from its wall plate carefully by removing the screws.this should be done in such a way so as to not damage the screen or impair the device. To mount the new wall plate, use a screwdriver to loosen the locking screw at the bottom of the thermostat.