58WAV Carrier Weathermaker 8000
Posted 06 March 2011 - 07:12 AM
How do I go about powering the inducer motor to make sure its working? Is it just shorting it to any 120v AC power source?
Also, is there something other than the relay or board that might be preventing the inducer motor from being powered?
Finally, I'm handy with a soldering iron, if its the relay can I just solder on a new one or is it new board time?
Posted 06 March 2011 - 09:54 AM
I suggest just getting a new control board for your weathermaker 8000. The circuit boards on these heaters were kinda known for really hard to diagnose problems with the draft inducer/ draft inducer pressure switch circuit. I have replaced many of these boards over the years.
Posted 06 March 2011 - 09:55 PM
So, I jumpered the two wires together (bypassing the switch before the fuse) and BAM it was up and running again. So, I wont be able to run it while I sleep, but until then I'll be babysitting it so my house warms up some.
Moral of the story: If you did something after being awake for 24 hours, you should assume all of that work was worthless and start over after you get some sleep.
Posted 06 March 2011 - 10:49 PM
If a rollout switch or fusable link is open on a draft inducer type furnace, you very likely have a failed heat exchanger.
Take a look at the flames as the heater is fireing.... It should look like they are all being sucked into the tubes. If some of them are kinda floating around at the entrance to the tubes..... Bad news ...... You got a bad heat exchanger...
Good luck, hope it is a simple part failure...
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