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York diamond 80. when power is on should the red indicator light on printed circuit board be on. Replace flame senser furnace main burner still shuts down after a few seconds and we get 5 flashes from

We jumped every swithch and did continuity checks on all swithches all tested good.

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  • 499 Answers

Check polarity to the furnace, it must be correct, not likely unless new or worked on though. The induced draft has a pressure switch that has a tube that connects to the induced draft housing, that orifice clogs with carbon and a tiny drill bit is used to **** the orifice clean, it will be hard if pluged, you know you are clear when you fel,hear the inducers squirrel cage with the drill bit, the tubing if dipped can collect condensate and block the pressure of the draft to be sensed by the pressure switch and the pressure switch can be bad or off too. If the flue is blocked or induced draft wheels burned up/rusted out, not much draft is induced, you need to snoop a bit.

Posted on Oct 31, 2012

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: furnace short cycles

turn electric off to heater, there should be a light switch on the side of the heater that cuts electric off to the heater. find the flame sensor, unplug wire to it and remove from heater being careful not to touch it with your hands or fingers, because of the oils in our skin. you can touch the part that the wire plugs to. when you get it out take fine emery cloth and clean the probe side or the sensor side real good and reinstall it. plug the wire back in and try heater. it should work fine. the sensors sole purpose is to detect flame and when it gets dirty with carbon it cant. so the sensor false reads and tells the heater its shooting raw gas into the heater and the heater shuts down, or short cycles, its there incase the ignighter fails. hope this helps you. it cost me 105.00 for this info. write it down in your owners manual so you dont forget it. the symptoms and the cure.

Posted on Jan 27, 2009

  • 92 Answers

SOURCE: Furnace keeps shutting down after lights

time to call service guy you are cycling on a saftey which means somethings not right in ignition circuit the only thing i would tell a untrained person to try is cleaning the flame rod which is part of the pilot assembly it is a metal rod that gives small electric current to ignition device confirming that you have a pilot lite you can lightly sand with sand cloth

Posted on Apr 15, 2009

Therinnaiguy
  • 1420 Answers

SOURCE: York Diamond 80 furnace (propane conversion),

Check for 24 volts across the two terminals on the gas valve when the ignitor glows. If yes, bad gas valve or blockage in the gas train. If no, bad ignitor or circuit board. Even if the ignitor glows, it still may be bad and not sending the proper signal to the board. If you jump the R and G terminals on the circuit board, does the fan still only run for 90 seconds? If so I would say replace the board.

Posted on Dec 28, 2009

Therinnaiguy
  • 1420 Answers

SOURCE: York Diamond 80 Furnace: blows cold air after

There may be more than 1 limit switch. Look at the wiring diagram and follow it to all switches. Or jump out the complete circuit.

Posted on Jan 21, 2010

  • 45 Answers

SOURCE: tstat calls for heat, inducer motor comes on,

Hi,

You are on the right track. I would suggest you change the sensor though as if it has failed it would be one of the reasons why it is shutting down the way it is as it cannot detect the flame and is closing the solenoid.

Hope this helps,

Best regards,

Dave

Posted on Nov 26, 2010

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1 Answer

York furnace 7 flashes


If the light flashes red 7 times, the furnace is not sensing flame. Check for a flame sensing rod (small steel rod in the path of the main burner flame). If you can see it, shut off the furnace, and clean the rod with a rag soaked in vinegar. Turn the furnace back on and see if this cures yyour fault. Make sure you turn the power off to the furnace and then back on as this will reset the circuit board.

Jan 05, 2013 | York Furnace Draft Inducer Blower Fasco #...

1 Answer

York furnace won't ignite


Is the igniter receiving 120 volts after the pressure switch closes? If not, either the board is bad or the pressure switch is open

Nov 27, 2012 | Heating & Cooling

1 Answer

Blower comes on igniter lites, burner comes on for about 5 sec.then shuts off then cylces again same results


More then likely the flame sensor. It is a small bar that is installed in front of the burners on the opposite side of the igniter. A lot of times you can take it out and clean it softly with sand paper or other abrasive materials, just to remove oxidation, etc. if that does not work, you may have to replace it. You can find these fairly cheap at a local heating and air conditioning supply store. Make sure all connections are also good coming from the control board. If a new flame sensor does not work, which is the cheaper fix to begin with, then you may have a bad control board. Hope this helps and good luck!

Nov 19, 2012 | Goodman Heating & Cooling

2 Answers

I have a 11 year-old york diamond 80 furnace. The flame sensor lights up and ignite the flame for about 5-6 seconds. Soon the flame goes out once again. There's this clicking sound that is heard every


You need to clean the sensor with steel wool so its very clean check sensor connections . If it is still not working you could change sensor also check out the pressure switch .

Jun 20, 2017 | Heating & Cooling

2 Answers

I have a York Diamond 90 furnace and when i try to start it, the pilot light goes on then it shoots the flame into the furance, but will shut down a minute or so after that. It sounds like the blower is...


The furnace is not sensing the flame. Turn off the power.
There is a metal rod in front of the last burner to light. It is corroded and needs to be cleaned. Its the flame sensor .
take the 1 screw out holding it in to the bar and scrub it with some steel wool till shiny. replace and turn on furnace. all should be fine.

Mar 30, 2010 | York Furnace Draft Inducer Blower Fasco #...

1 Answer

Amana Air Command 80 SSE gas furnace will not stay running


In the path of the flame on the last burner that starts, there will be a small rod. That rod is the flame sensor. Take a scrub pad and polish it. Also check the electrical connection that goes back to the circuit board. Disconnect any ground wire from the circuit board to furnace cabinet, sand it and replace it.

Mar 14, 2010 | Heating & Cooling

1 Answer

York Diamond 80 furnace (propane conversion), about 1998 model. Solid Ignitor comes on, but no flame. Main fan works for about 90 seconds then cuts off. Fan only switch on thermostat does the same, fan...


Check for 24 volts across the two terminals on the gas valve when the ignitor glows. If yes, bad gas valve or blockage in the gas train. If no, bad ignitor or circuit board. Even if the ignitor glows, it still may be bad and not sending the proper signal to the board. If you jump the R and G terminals on the circuit board, does the fan still only run for 90 seconds? If so I would say replace the board.

Dec 28, 2009 | Heating & Cooling

7 Answers

My york diamond 80 can be fired up, but it is shut off automaticaly after approx. 20sec. This can be repeated 3 times. I beleive the fun and borad panel are working fine.


The flame sensor might have dust build up on it. The flame sensor makes sure that the system has ignited before it starts the main blower. If it ignite and burns for 15-20 seconds then goes out that is most likely your problem. Identify a probe that is in the direct path of the flame(usually in the last burner tube from the gas source), it will have one wire coming off of it and usually has one screw holding it in place. As time goes by the sensor will get a build up on it and stop functioning. Turn the power to your furnace off, then remove the screw and then gently pull the flame sensor out. Using a MILD abrasive like panty hose of paper towel (DO NOT USE sand paper) clean the sensor and then put it back into place. Tighten the screw and then turn your furnace back on. That should fix your problem.

Oct 18, 2009 | York Furnace Draft Inducer Blower Fasco #...

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