Question about Goodman GDS81155CNA Open Flame Mid-Size Heater
Light blinks 3 times which says vacuum switch is stuck... this isn't true... it's just that the induction fan isn't turning fast enough (and makes a weird sound) to get enough suction to make the switch work. Is it common that the motor on that little fan dies? Furnace is 3 years old, last year the board died (techs changed out 2 vacuum switches before deciding it was the board)
Make sure the inducer motor is free of condensation and that all water is able to drain out. Unfortunately your furnace is a lower-grade “builders” model and does not have the same quality of components and workmanship as a Carrier or American Standard furnace. Prior to these failures, It was about 1/2 the price of the units mentioned. And the warranty drops off quickly. You get what you pay for.
Contact Goodman to see if they will cover the cost of your parts at 1-877-254-4729 US only. Their own motto is “Quality Makes the Difference”. It sure does.
Posted on Nov 26, 2007
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Posted on Jan 02, 2017
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If your heater is like mine...
There is a small window about the size of a quarter inside
the panels on the front part of the heater.
The panels must be removed to see it.
It might look like a hole but glass is there.
Inside the window an L.E.D. light might be blinking.
If this is the case, count how many times its blinking.
the number of blinks represents the nature of the problem.
if it blinks 3 times its possibly either a small outflow fan isn't working or something is blocking the vent which prevents a flow detector from making contact.
The reason it shut down is because of the fear of carbon monoxide poisoning due to no ventilation.
Try looking into the vent pipe from the top of the roof to see
if there are any obstructions.
If there are no objects blocking the vent pipe then maybe a fan or transformer has malfunctioned.
The light blinking 3 times refers to the combustion air switch.
It works as a vacuum chamber to work the contacts inside it.
Oct 06, 2007 | Heating & Cooling
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