Question about Honeywell Focus 6300B 5-2 Days Programmable Thermostat Heater

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My Honeywell Programmable Thermostat RTH2410 operates intermittently, the entire unit , display and all, turns on and off at various times throughout the day.

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You need to reset the t-stat and totally reprogram it...
Look in your manual how to do that or...


Here is a tip that tells you how to get a manual for most any Honeywell product online...

Manual Honeywell How to Find Honeywell Manuals

heatman101

Posted on Sep 13, 2010

Testimonial: "Manual said nothing about reset procedure. However I started programming from the beginning and all is well so far. "

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I have a Honeywell Digitable Programmable RTH 2410 Thermostat, it won't stop running. How do I get it to run properly?

Posted on Jan 11, 2011

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Posted on Jan 02, 2017

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1 Answer

How do you program the Honeywell RTH 2410B1019 thermostat for a heat pump.


5-1-1 Day Programmable Thermostat - Honeywell

yourhome.honeywell.com/.../thermostat/5-1-1-day-programm...

HoneywellSet the Honeywell 5-1-1 day programmable thermostat to your maximum comfort settings. Works with heat pump systems. Buy now!

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I installed a honeywell rth2410 and with the fan switched to auto and system in off position, the fan is still running and will not **** off


sounds like you have 24 v going to the g terminal check that otherwise the fan relay in the furnace is stuck closed or the thermostat is defective

Apr 10, 2011 | Honeywell Electronic Programmable...

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I'm installing a Honeywell Thermostat RTH2410. In Step 1 you need to identify the system type. I have a Carrier Heat Pump model FA4BNF030. Is this a heat pump with or without auxiliary/backup heat?


Auxiliary heat is electric heat that is put into the air handler on the inside of the house. Its used when your heat pump doesn't provide enough heat, but heat strips are not always used. To see if you have auxiliary heat, look inside and see if you have breakers on the front panel of the air handler or anywhere close. No breakers, no electric heat. Hope this helps!

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It actually sounds like the batteries are going dead if the 24v from the furnace are not providing the power to the thermostat.

Sep 28, 2009 | Honeywell Electronic Programmable...

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Flashing snowflake on display


That is a Time delay normal to keep the condensing unit from turning of and on to fast really save the life of the equipment

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Programmable thermostat intermittent problems...


Some tstats control humidity as well. Temp will over shoot set point in order to reach humidity s

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did u turn the power off to unit before installing t-stats,if not then mabe blown low voltage fuse

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Rth230b honeywell display screen faint


Mike, The static electrical spark probably 'zapped' the Rth230b Honeywell Display unit. If you have already tried removing the power (batteries) from the unit and after waiting several minutes; reapply the power (batteries). If the problems remain unchanged, then it is time to replace the Display unit with a new one. The static electricity problem is problematic and the only way to prevent the same problem from recurring is to discharge yourself before touching the Honeywell Display. As you walk across the room which (probably has carpet), causes the static electricity to build up on your body and then discharges itself through the Display unit when you make contact with the Display unit. You might try coming to a complete stop and attempt to discharge the static charge on your body by touching the wall first with one hand for a second before touching the Display unit with the other hand. Naturally, cold weather with low humidity makes the static electricity worse. Hopes this helps you. Henry

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