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blknomad's avatar
blknomad
Explorer
Jan 21, 2016

furnace help

I have a 2014 Itasca and the furnace will not light. Every thing works and the thing tries to light but just will not. Fan works, sail switch works but it will not light. Need help.
  • As suggested.......may have to attempt lighting it off a few times if propane has not been used----furnace not run---in order to establish flow to furnace.

    Can you hear spark electrode clicking?

    Does circuit board have an LED...it is ON or blinking?

    Spark from electrode needs to be strong and be right over burner slots.

    Check combustion intake & exhaust vents.....any obstruction then main flame can't light off (air/fuel ratio not met)

    Here is a generic Furnace Troubleshooting Guide......rv furnaces all work same
    LINK
  • Try purging air from your LP lines by lighting all the burners on your gas stove for one minute. If there is air in the lines, the heater may not light properly.

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