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Los c?digos C2 y A1693 en un horno Lennox significan que el quemador no se est? encendiendo (C2) y que est?s moviendo 1,025 cfm de aire (A1693). El c?digo C2 puede indicar un problema con la v?lvula de gas. El c?digo A1693 significa que el ventilador/soplador est? bien. Para obtener m?s informaci?n sobre los c?digos de error Lennox, puedes usar el Error Code Lookup Tool para identificar instant?neamente los c?digos de error Lennox y obtener pasos para solucionar problemas. Si necesitas m?s ayuda, puedes consultar el manual de tu horno o comunicarte con el servicio t?cnico.
So no heating just blower? If you have a g wire on the tstat remove it first. Then possibly a stuck relay. Obviously if the blower stops when g removed the tstat is bad.
What is the model number? I have an SLP98 (installed on 11/29/2011).... and if I take the cover off the front of the furnace the panel that has the fancy "Lennox" badge on it) you will see two clear round windows about the size of a half dollar (one high on the furnace box and one lower on the blower box.) If you look downward into the window on the blower box you can see a red LED display that will sometimes flash error codes like E228 (one character at a time). If your model has something like this, let me know. I've done some DIY fixes recently out of necessity....and their easy.....and several technicians confessed they didn't know much, if anything, about the newer high effieciency Lennox gas furnaces.
? 2:44
https://www.youtube.com/watch?v=yXIxgzwMkPs
Nov 17, 2012 - Uploaded by grayfurnaceman
This furnace should light its pilot with a spark then the pilot proves its on ... Troubleshoot an ignition problem on a Lennox gasfurnace .... Pilot and no inducer but is the same model as that great video! ... You probably have dirty burners. ... How do you know spark module is not sending 24 volts to mv and pv ...
the next thing you should do is take the green wire off of the t stat that will rule out the t stat then next you should check the fan relay thes units have a fan relay and do go bad
When you call for fan in auto ensure your getting 24 volts at pin on control board, if it is not energizing then there is a problem with the relay.. Before you change out the expensive control board, try the therm..
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