Help have 4 blinks of the error light. Do not have owners manual. What does this code mean? Sticker says "Limit Cycling".
Coleman Evco Furnace Model #DGAT0908DD
Posted 04 January 2014 - 07:59 AM
Does the big ol' blower ever come on?
Posted 04 January 2014 - 08:33 AM
Posted 04 January 2014 - 08:43 AM
Probably got a filter stuck in the blower.
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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