Honeywell RTH230B Support Question
Honeywell RTH230B Support Question
Find answers below for this question about Honeywell RTH230B - 5-2 Day Programmable Thermostat.Need a Honeywell RTH230B manual? We have 1 online manual for this item!
Question posted by etracy on January 15th, 2018
Error Code 2.3?
My thermostat doesn't seem to be "holding" the settings since I changed the battery. I turned the unit to OFF while changing batteries. My programmable settings from before saved, and I set the new day and time.However, it continually loses the current day and time (or changes it completely overnight), and the heat does not go on. I have to manually set the heat. Everytime I got to reset the thing, I see an error code 2.3.
Current Answers
Related Honeywell RTH230B Manual Pages
Owner's Manual - Page 1
...thermostat; RTH230B
Tilt the thermostat upwards. Mark and bore the appropriate mounting holes (or use the mode selector switch for the fan.
69-1800-03
69-1800-03 03-11 1/4 Preprogrammed energy-saving...176;F or °C
• Battery replacement indicator
• 5-2 programming ... RTH230B programmable thermostat can vary depending on (continuous)
• Programmable...
Owner's Manual - Page 2
... batteries are installed, mount the
thermostat on the baseplate.
Secure the thermostat using the locking screw and install the
faceplate.
Apply power back to place the system in Cooling mode, you are holding the thermostat.
Afterwards, the screen displays the actual temperature. This is placed in automatic mode, it is
activated. In this setting...
Owner's Manual - Page 3
... [ Mode ]. Warning: Before removing the batteries, place the system switch on .
3.3 Displaying the Temperature
The actual temperature is dis-
3.5 Thermostat Control Mode
3.5.1 Manual/Permanent Hold Mode
Maintains the temperature at the set the fan to Off. 3.2 Fan Operating Mode
Use the selector switch to set time. 2 When either of the change the setpoint.
ON The fan...
Owner's Manual - Page 4
5.2 Energy-saving Schedule
Your thermostat is displayed.
The settings for Saturday and Sunday. Press for 3 seconds to select all 7 days.
Set the time (in the possession of the remaining periods. Press [ Exit ] to exit. To use only 2 periods, set periods "1 and 4" or periods "2 and 3". x 1 in programmable mode.
6. Honeywell's sole responsibility shall be free from ...
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