Hello folks! Yesterday after coming home from work I noticed the house was a bit chilly. Noticed air was being blown but it was only cold air.
The following is what I know and what I have looked at.
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Heat is commanded vent motor fires up. After about 6 seconds vent motor shuts off and main fan blower kicks on. No flame, no ignition…
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Error LED flashes 6 times. Supposed to mean 115VAC reveresed polarity or bad ground.
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I checked all powerI have 120VAC.. getting to the circuit board. I have 120VAC on Primary of transformer and 27VAC on secondary being fed to CB.
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I have no voltage ever getting sent to Gas valve or ignitor. Have clean filter shorted out safety switched one at a time same results.
This one is bugging me I am not sure what the cause would be… I am thinking it may be the Circuit board but I don’t know. About ready to give in and call HVAC tech but any other advice would be welcome.
Regards,
Tom Spokane, WA