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What do i do to correct four red flashes from the led indicator?

Post created: 2013-02-20 Type of Equipment: Furnace Views: 998

This question was created on the page: https://www.furnacecompare.com/furnaces/luxaire/acclimate.html.

9.s series acclimate by luxaire. model # G2FD024H17G

problem appeared 24 hrs ago. the indicator LED is flashing four red flashes. how to proceed? please advise.

On 2013-02-21 JB wrote:

I managed to find this:

"4 RED FLASHES: This indicates that a primary or auxiliary limit switch has opened its normally closed contacts. The control will operate the supply air blower and inducer. This condition may be caused by: dirty filter, improperly sized duct system, incorrect blower speed setting, incorrect firing rate or faulty blower motor. Also, this fault code could be caused by a blown fuse located on the control board."

If you feel up to it you could try cleaning the filter. If the filter is too dirty it won't let air flow through it properly, which will trip a safety feature. If that doesn't work you will need to call and HVAC tech.

To keep legal happy, let me just say that I am not an HVAC contractor, and you should never even look at your furnace without having a qualified, liability accepting HVAC contractor present.  To keep sales happy, let me just say that you can find an HVAC contractor that's happy to take your money here: http://www.furnacecompare.com/perl/find_contractors.pl.

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