York 80 furnace problems with blower

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Old 11-02-09, 06:30 AM
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York 80 furnace problems with blower

Hello I have a York 80 furnance with central air. My problem is intermitent. The last few days in the morning the blower fan will not shut off after the desired temperature has been achieved. I can hear the t-stat clicking to turn the burners off but the blower will run continously with the burners off causing the house to cool back down the only way to shut the blower down is to shut the power off at the furnace? I have a White Rodgers emerson electric
MOD# 50A50-241 controller with the Dip switches to set the heat delay to turn fan off. 30 60 90 120 ...Can it be a bad controller ?
 
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Old 11-02-09, 02:03 PM
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Bad control

It's possible the control is bad. The furnace could also be getting too hot & opening the limit. With some limits, even after the furnace cools, the power has to be shut off to reset them.
 
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Old 11-02-09, 04:49 PM
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Originally Posted by Grady View Post
It's possible the control is bad. The furnace could also be getting too hot & opening the limit. With some limits, even after the furnace cools, the power has to be shut off to reset them.
Agreed or you are sucking a lot of cold air tru return back into house , or stuck fan relay , or ?????................
 
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Old 11-23-09, 05:17 PM
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Hi, I'm experiencing the exact same problem with a newly installed York 80 hot air furnace with central air. The problem is intermittent and usually occurs in the morning when the furnace first fires up. PSE&G installed the furnace and they did a great job. Unfortunately, I've had to call them twice in the past two weeks for this problem. The first time, they replaced the thermostat; the second they adjusted a temperature setting to better correspond with the BTU capacity of the furnace. I'll know tomorrow morning whether this last service call addressed the problem.

Best of luck diagnosing the problem and eventual repair. If possible, kindly post the solution and I will do the same. Any additional information would be greatly appreciated
 
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Old 11-24-09, 11:07 AM
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followup

Just a quick followup- The temperature setting adjustments made yesterday appear to have fixed the problem. My apologies for not providing more detail, unfortunately I wasn't home when the technician made the adjustment
 

Last edited by atelierva; 11-24-09 at 11:08 AM. Reason: spelling
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Old 01-04-10, 07:30 PM
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Same York 80 Blower problem

Hi Ronm_tech, Did you find out the issue? I have the exact same set up with the exact same problem you described.

I would really appreciate the help.
 
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Old 01-05-10, 04:38 PM
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Then see what you have for stat run time adjustments, inside the stat, and set it longer. You might have a 'cycles per hour' setting, or 'swing temp' setting. Also make sure any other dip switches inside the stat correspond to the type of furnace and fuel you have.
 
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