Goodman gas furnace/water in blower fan


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Old 11-22-16, 08:59 PM
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Goodman gas furnace/water in blower fan

So the unit is roughly a year old. GMS920804N Horizontal/Upflow. I believe this is the model but I'm not certain because I'm not at home to verify. The unit was in place when we bought the home about 5 months ago.

We are only just now attempting to use the furnace for the first time since we moved it.

Here's the problem: I have 3 flashing LED's. I have the manual to tell me what's wrong but it's what I hear that's troubling me. The blower comes on during start up but I can HEAR water sloshing in the fan.

Here is what I've done but am willing to retry: I checked all of the drain tubes. Blew them out. Checked for plugging. Pulled what I thought was the drain tube off of the blower itself but still can't seem to get the water out. Best as I can tell the port between the drain tube and blower housing itself is not plugged. Verified by trying to rod it to no avail. I did find some condensate in the tubes between pressure switches but I've since drained them. Checked my trap and even placed water back in it to make a seal for vacuum. Full disclosure I know next to nothing about AC/heating. Shooting from the hip.

Recap: Essentially, just water in the blower that isn't draining which I think is the only thing locking out my furnace but I really don't know.
 

Last edited by ntaylor5123; 11-22-16 at 10:09 PM.
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Old 11-23-16, 10:25 AM
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Welcome to the forums.

Three flashes is the pressure switch not proving. It could be water in the lines still and it can be a clogged line between the inducer and the pressure switch. Remove the small line and make sure it's clear as well as the small (TINY) opening on the inducer is clear.

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Your manual.....
Starting on page 20 is the drain system connections based on installed orientation of the furnace.
ac direct/media/catalog/files/IO-244F.pdf
 
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Old 11-28-16, 12:29 AM
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Thanks for the reply. I haven't had a chance to get on here in a few days. I'll give that a shot and take a look at the drain system. Who knows? Maybe when they installed it they did something wonky. I had just assumed when I pulled the lowest drain line that the remaining water would come pouring out.
 
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Old 11-28-16, 08:04 PM
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The usual problem when the inducer fan is kicking up water is that the drain system is plugged with algae and/or other junk.

Usually the drain system can be disassembled and flushed with water to clean out the junk. Not too bad of a job in most cases.
 
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Old 11-30-16, 12:01 PM
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So could that be the case in the blower itself? I've pulled every drain hose off and can't get the water to come out anywhere. I figured if a hose was plugged I could pull that and clean it but at least the water would still drain from the casing while I clean the hoses. That is not whats happening though.
 
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Old 11-30-16, 12:07 PM
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You need to track the drainage system back to the inducer motor housing, and identify anything plugged along the way.

Usually that's not too hard to do.
 
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Old 12-03-16, 09:29 PM
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Good news. Got the water out and the heater is kicking ass now. Thanks for the help!
 
 

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