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

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Thermostat wiring I'm replacing an old thermostat, which had the following wiring: red (to r); white (to w) green (to g) and blue to (y). My new unit is a Honeywell RTH2310, which has the following connections: r, w, g, y. I connected the red to the 2-wire jumpered connection; the white to the (w), the green to (g) and the blue to (y). No workee. Any suggestions?

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L is for a common wire if t-stat does not use batteries then this wire will have to be connected

Posted on Jan 13, 2009

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Posted on Jan 02, 2017

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Replaced ac unit with new compressor. Fires up as usual but compressor wont start.No fault code coming on controller. Whats the problem?


possible causes include
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I have a 9610 thermostat turns on and off to frequently


I am guessing but the thermostat is either faulty or is in conflict with another thermostatic device in the system. The room thermostat measures the air temperature in the room but with a modern intelligent boiler there will be other sensors measuring all sorts of things including the water temperature.

Personally I prefer to have thermostatic radiator valves rather than a room or zone thermostat.

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Johnson Starley boiler main board fuse blowing


Chances are the fuse on the circuit board is for control circuit protection. Take note of the location of all the thermostat connections on the circuit board and remove them. Do this with the power OFF. Replace the fuse and re establish power. If the fuse did not blow, the problem is in the wiring to or from the thermostat. It could even have the insulation rubbed through and making contact with the side of the boiler or a mouse could have chewed through the insulation causing a short to a metal object.

Once the issue with the thermostat wiring is resolved, reinstall the low voltage connections and you should be good to go.

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1 Answer

Electric Furnace stopped running


You have one of two problems. Either the capacitor for the motor has failed or the motor has failed. I would turn off the power to the unit and see if you can locate the capacitor and remove it. An ac supply or electrical supply house can match up the capacitor. This is relatively inexpensive. Otherwise you will need a new motor.

Nov 11, 2014 | Heating & Cooling

1 Answer

How do I get my radiators to start working?


ch1 indicates wirless thermostats? check the thermostats in the room have fresh batteries. this type can be wired but may be running on batteries you have to use a screw driver from below to open the unit. if you dont have a manual here is a link.
http://www.manualslib.com/products/Danfoss-Randall-Tp5000-Si-Range-2781091.html
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1 Answer

Why can't I lower my honeywell 8500 below 67 on cool?


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So your solutions are
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1 Answer

White Rogers digital thermostat displayed "lo".


Thank you for your interest with Emerson White Rodgers. My Name is Joselito Laxamana from technical department. After replacing the battery you need to do the reset operation. If you need further assistance please contact us at 1800-284-2925.

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A/c fan not working=thermostat is working(central a/c system)a/c


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