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Coleman Evco Furnace Model #DGAT0908DD


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4 replies to this topic

#1 quadkmom

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Posted 04 January 2014 - 02:48 AM

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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#2 jb8103

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Posted 04 January 2014 - 07:59 AM

Does the big ol' blower ever come on?


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#3 Daveb1972

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Posted 04 January 2014 - 08:33 AM

Have you changed the filter?
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#4 jb8103

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Posted 04 January 2014 - 08:43 AM

Probably got a filter stuck in the blower.


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#5 ACtechGUY

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Posted 04 January 2014 - 09:35 AM

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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