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quadkmom

Coleman Evco Furnace Model #DGAT0908DD

5 posts in this topic

Help have 4 blinks of the error light.  Do not have owners manual. What does this code mean?  Sticker says "Limit Cycling". 

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Does the big ol' blower ever come on?

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Have you changed the filter?

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Probably got a filter stuck in the blower.

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I'll agree with both JB and DAve.  A limit cycling is typical of some sort of airflow problem. 

 

#1 filters filters filters.... is it dirty?, is the filter that came in the furnace still there 5 years later? Do you have one of those expensive "Alergy" or washable filters? if so they can really restrict airflow.

 

# 2 are any air outlets blocked off or closed? is the return air blocked in some sort of way? 

 

# 3  the evaporator coil is clogged with dirt . 

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