Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater

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Trane xv95 converted to propane is on system lockout

My xv95 trane furnace is giving me 2 red 2 green error code, exceeds tries or recycles aka system lockout. If I reset the furnace it will work fine for a couple of hours and then the fan keeps blowing with no heat. And shows the error code again. I have chevked the vdnts and they are all clear any suggestions as to what else I could check out? Thank-you.

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  • Honeywell Master
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There is either a problem with the ignitor or the flame sensor.

Posted on Nov 19, 2013

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Posted on Jan 02, 2017

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SOURCE: Honeywell 5+2 day programmable thermostat will keep heating to 29 degrees!

Our Honeywell thermostat is model RTH6300B. Now that the weather is getting hot, we decided to put the centeral air on. Hot air keeps blowing out. I called Honeywell several times thinking that we had fixed the problem. It still is blowing out hot air. Also, my husband checked the wires. Has anyone else had this problem? Any ideas what it could be?

Posted on May 29, 2008

boanhtgclg
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SOURCE: New honeywell thermostat on new gas furnace not working

sometimes there's a differential setting anywhere from 1-3 degrees, see if you can make sure it's down to 1

Posted on Nov 12, 2008

tborn6
  • 700 Answers

SOURCE: Household Thermostat Replacement

you have to configure the thermostat to run the fan when there is a call for heat. look at the installation instructions and they shoud ask you if it is gas or electric heat if its electric then you are gong to have to configure it to makr e the fan come on with the heat. Good luck

Posted on Jan 25, 2009

jumptrout51
  • 3361 Answers

SOURCE: furnace not running along with heat pump

Someone did not program your thermostat to operate according to your heat and air requirements.
Have it programmed correctly.

Posted on Feb 25, 2009

  • 19 Answers

SOURCE: My Honeywell chronotherm IV Plus thermostat intermittent problem

The Chrono Therm 3 and 4's were some of the worst products that honeywell has EVER put out. I would suggest switching to the Vision Pro 8000, please consult your local HVAC company for more information regarding the change over.

Posted on May 17, 2009

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Error code= two red flashes, lockout/ no flame


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cause this fault. 2 RED FLASHES: This indicates that thenormally open pressure ... The furnace will lock out for one hour and then restart. 7 RED FLASHES: This fault code indicates that the flame could not be established. This no-light ... problem. Bothheating and cooling operations will be affected. Check

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My Xenon high efficiency furnace has a red blinking led light that blinks 4 times and my furnace will not light. What could be the problem?


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Each color will also flash a specific number of times to signify a specific error. ... 4 redcolored flashes may be signaling that the "high-limit" switch might be open. ... 3 green colored flashes on your furnace has the same meaning as 2 green colored flashes. ....If a system problem occurs, a blinking LED shows a fault code.Missing: xenon

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5 u code is on how to fix it


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1 Answer

I have a Trane gas furnace with White Rodgers 50A50-474 board is flashing a 2 flash code which is a system lockout-no flame/Check line polarity message. The furnace blower contines to run, but the gas...


Sounds like your ignitor is bad, not lighting the gas. If this happens 3x, then controler goes into lockout and induced draft motor continues to run to extract the gas fumes as a safety.
Either replace the HSI (Hot Surface Ignitor) or sand down the end of the electronic spark ignitor and it's ground rod (they work like an exposed spark plug) to remove the carbon buildup on it so it can spark again. All with the power off, of course!
If you need more help, please ask, I'm glad to help! 25 year HVAC service Tech- residential & commercial systems.

Apr 05, 2013 | Heating & Cooling

1 Answer

Trane gas furnace with White Rodgers 50A50-474 board is flashing a 2 flash code which is a system lockout. The furnace blower contines to run, but the heat stops. I can reset the furnace and the system...


If this is a direct vent unit, check the PVC air intake at the furnace for debris. There is a screen at the furnace connection and as cold air enters into the burner chamber it frosts up on it. If there is any blockage, it restricts the air inlet. If the furnace ignites, it melts the frost and works fine. It happens mostly at night. Let me know if you find this. Thanks.

Jan 09, 2010 | Heating & Cooling

1 Answer

New Trane XV95 furnace runs and stops nine


if it is a mechanical thermostat the heat ant. does that on cheaper digital tstats it is set by span and on better stats like honeywell model 5000,6000,8000 series you set the cycle rate. what kind and model number is tstat

Dec 19, 2009 | Goodman GDS80904BNA Open Flame Heater

1 Answer

Meaning of rudd furnace trouble codes


Error Codes
A green LED indicates system faults
Steady On: System OK
Steady OFF: Board control fault or no power applied
1 Flash: Ignition failure (control in one-hour lockout)
2 Flashes: Pressure switch fault, fails open (switch is
stuck open)
3 Flashes: Limit switch open (main or auxiliary)
4 Flashes: Pressure switch fault, fails closed (switch is
stuck closed)
A yellow LED indicates flame status
Steady on: Normal flame is sensed
Flashes: As flame weakens, frequency of LED flashes
increases

Dec 12, 2009 | Heating & Cooling

2 Answers

Miller propane furnace .red light flashes 5 times


Look on the wiring diagram for an error code chart. It will give you a starting piont.

Dec 01, 2009 | Polaroid Heating & Cooling

1 Answer

Thermostat wiring


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Please note. Not all installers use the proper color codes when they install or replace equipment. It may be necessary go go to the furnace or outdoor unit to verify what wires are for what purpose. Also be sure there are no splices in the wire that could change the wire colors between components.
  • R (red) or Rh (Red heat) 24 volts from equipment.
  • Rc (Red cooling) 24 volts from transformer in cooling equipment.
Note: If only furnace has a transformer and cooling equipment does not jumper Rc and Rh.
  • W (White) sends 24 volts to furnace control to start the heating cycle.
  • W2 (no standardized wire color, usually whatever wire color is available) controls second stage heat.
Note: W2 is most often used for heat pumps to control what is called emegency heat or Auxillary heat, and most often will use the white wire.
  • Y (yellow) often (blue) is used, controls cooling unit (outdoor condensing unit) also is used for heat pump heat.
  • Y2 (no standardized wire color, usually whatever wire color is available) controls second stage cooling.
  • G (Green) controls the fan "on" operation of the furnace/air handler. Also often is used to start the blower for many electric furnaces.
  • C (common) most often brown but can also be black or other color available to installer.
  • O (orange) Energizes heat pump reversing valve for cooling (Trane and most other brands).
  • B (Blue) Energizes heat pump reversing valve for heating (Rheem, Ruud and Weatherking).

Jun 02, 2009 | Carrier Heating & Cooling

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