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Ruud achiever 90 plus gas furnace not turning on

Some time during the day/nite the system will not start heating. No fan no clicks just nothing. The only work around we've found is to cycle the power and it will work for maybe a day or two. I've checked and clean four heat detectors. We've had three or four companies in. The last and most expensive solution to date is to replace the control board. Any one with any back ground on this would be appreciated.

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  • Keith Miller
    Keith Miller May 11, 2010

    do you have a volt meter to check 24v at the unit when your tstat is calling for heat between white and ground when unit is not working

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  • 61 Answers

Remove and clean the drain trap and make sure the drain tubes are clear.
It sounds like the water may be building up in your drain lines.
Hope this helps.
Matt

Posted on Jan 09, 2009

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