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Old 02-06-2011, 09:56 PM   #1
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Blower shuting off - White Rodgers 50A50-241


I have a White Rodgers 50A50-241.
When heat is called for, blower turns on, ignitor turns on and blower runs for a couple of minutes.

Blower then shuts off. The red light blinks 4 times. I notice a faint burnt smell from the vents.

Anything I can try? Any suggestions...

Brr! Thank you...
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Old 02-06-2011, 09:58 PM   #2
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Blower shuting off - White Rodgers 50A50-241


look on back of the blower door & find the code. I guess you are talking about the vent motor & not the blower motor. Blower motor may not be comming on & the unit is shutting doun on high limit. If this is the case you might check the capicator on the blower motor

Last edited by kenmac; 02-06-2011 at 10:00 PM.
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Old 02-07-2011, 06:48 PM   #3
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Blower shuting off - White Rodgers 50A50-241


It's the vent motor. Sorry Kenmac, my bad...
When the blower turns on, it runs very slow. I can barely get an air from the vents.

Anything I need to check?
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Old 02-07-2011, 06:52 PM   #4
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Blower shuting off - White Rodgers 50A50-241


Check / replace your return air filter, Motor could be going bad . Check capicator as well. When you say blower. I'm thinking blower motor & not exhaust vent motor
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Old 02-08-2011, 11:05 AM   #5
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Blower shuting off - White Rodgers 50A50-241


Confirmed capacitor is the culprit . MM shows it's shorted.
BTW, it's 97F9002.

Hope this didn't fuse the motor. Will replace cap and post.

Air filter is good...
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Old 02-08-2011, 02:49 PM   #6
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Blower shuting off - White Rodgers 50A50-241


Just replaced. Works like a charm!

4 flashing Red lights on White Rodgers 50A50-241
Slow rotating fan
Probable cause - Capacitor

Thank you Kenmac!
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