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 reedbenson on December 5th, 2010
Blank Display On Heat Mode (rth230b1006)
After changing batteries in "off" mode, switched to "heat" mode and display is now blank. Display is fine in both "off" and "cool" modes.
Requests for more information
Request from ljacobs46 on December 28th, 2010 6:06 PM
I have the same problem, whyafterc hanging the batteries does the display not show at all, it is just a blank screen?
I have the same problem, whyafterc hanging the batteries does the display not show at all, it is just a blank screen?
Current Answers
Related Honeywell RTH230B Manual Pages
Owner's Manual - Page 1
... RTH230B programmable thermostat can vary depending on (continuous)
• Programmable heating and cooling cycle lengths: 10, 12, 15, 20 or 30 minutes
• Temperature display in 3- Preprogrammed energy-saving schedule - In this case, this thermostat cannot be used in °F or °C
• Battery replacement indicator
• 5-2 programming including:
-
RTH230B
Programmable...
Owner's Manual - Page 2
...the screen displays the actual temperature. It is controlled by the furnace fan control circuitry.
2.5 Installing the Batteries
Pull out the battery cover. Install the batteries as follows:
HG
•
When the thermostat is placed in cool mode, the fan works only when cooling is activated.
• When the thermostat is placed in Heating mode (HEAT) or Cooling mode (COOL...
Owner's Manual - Page 3
... this mode, press [ Mode ]. To place the thermostat in programmable mode, the new temperature will cut power to the heating/cooling unit. At the end of the bypass period, the thermostat returns to
the temperature settings of the period currently underway.
3.6 Filter Replacement Indicator
After 500 hours of the played.
Warning: Before removing the batteries, place the system switch on...
Owner's Manual - Page 4
... temperature: -2 to 122°F (-20 to 50°C) Temperature display resolution: 1°F (0.5°C) Accuracy: ± 1°F (0.5°C) Heating/cooling cycle lengths: 10, 12, 15, 20 or 30 minutes (programmable) Compressor short-cycle protection (minimum off time): 5 minutes Data memory: non-volatile Dimensions: 5 in Heating mode, switch to repair or replace the product within the terms...
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