Question about York Furnace Draft Inducer Blower Fasco # A224

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York Diamond 90 furance main blower contines to run aftrer thermastrat is satisfied and gas flame is off and will not relight with main blower in opertion

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Posted on Jan 02, 2017

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cjfmc

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SOURCE: i have a York Diamond 90 furnace and when i try to

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.

Posted on Apr 04, 2010

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Baxter OV-210G burner cycling on / off @ 90 sec, repeating after new burner blower


You need to clean the flame sensor or replace the flame sensor.

Sep 30, 2017 | Heating & Cooling

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I have a Rheem Furance that has turned off. Just a few hours ago the main fan turned off. The Furnace doesnm't light even the draft fan does turn on and then the main fan blower motor turns on. I can hear...


You will need to reset the furnace by turning the power off to it. Then as the furnace tries to light, watch the LED for blinking. Hopefully it will give a code other than 1. Try checking the air filter for blockage, make sure all hoses are free of moisture and any drains are not blocked. Check the air intake and exhaust pipe for sags where water could block it.

The sequence of operation is this:
Thermostat calls for heat, the LED may blink telling you it registers the call. The inducer (exhaust) blower starts closing contacts in the pressure switch (small disc shaped thing), the igniter glows orange (seen thru a small window high up on furnace front), gas valve opens allowing main burner to light, flame travels to all other burners, flame rod senses flame within a few seconds and keeps gas on. Room air blower starts within 90 seconds.

Any deviation or delay in this sequence and it goes into lock-out.

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York, diamond 90 heating issues, on & off


try cleaning the flame sensor with some steel wool if not could be pcb

May 23, 2010 | Heating & Cooling

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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

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

2 Answers

I have a york diamond 90 diagnostic 1 flash lock


open the top of your unit so that you can see into the burner box
what your looking for should be an orange wire that leeads up to a metal rod
that metal rod should be in the way of the flame when unit is on
this is your flame ground,,, or more commonly known as the flame sensor,,, take this out and goive it a good brush with some steel wool
and reassemble,,
this should clear up you problem

Nov 04, 2009 | Goodman GMS90703BXA Heater

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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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