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in the furnace is a circuit board with lights.
See page 48 HERE and tell me which code the light pattern relates to.
ok is the thermostat is asking for heat?
Thank you, ***** ***** the exhaust fan in the furnace running? This code means the exhast should be running but is not....if there is no exhaust motor we need to see if stuck,,(rodent/bird etc..
quickly at same time or alternating?
and is burner on?
ok so far the power off/on did a reset....is filter clean and pipes above snow?
excellent...the furnace works with different power than the zone and thermostats.
If it fails again note light pattern and let me know. I have free follow up for 30 days after service is rated at top of page.
I thank you
better than a Sunday service call!
Thanks for your patience.
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