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Old 09-30-2008, 10:43 AM   #1
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Goodman Furnace Code 8?


Hey everyone. I installed a goodman GMH80453 the other day. On the day of install I started and ran it twice with no problems. Now it won't run. Series of events are....Turn up stat to kick it on, inducer fan comes on, runs for about 10 seconds..Then click shuts down and flashes a
code 8(which is not listed in manual). The ignitor never glows. I don't see any burn spots on the board and 3amp fuse on board is ok. I can flip the power off then back on and it will go through the same series. Has anyone ever had this problem? Any Ideas? Please help a diy'er out! Any Input would be great. Thanks!

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Old 09-30-2008, 08:16 PM   #2
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Goodman Furnace Code 8?


If the code isn't listed, go the old fashioned way. Is the inducer motor pullng shut the pressure swith. Are there any limits or safeties open. Is there power going to the hot surface ignitor?

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Old 10-01-2008, 12:10 AM   #3
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Goodman Furnace Code 8?


Thanks, figured it out, it was the ignitor.
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