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Question About Nordyne Furnace M1M
I have a flashing red LED light 2 times. On the co...

I have a flashing red LED light 2 times. On the cover it says pressure switch is open. My furnace won't kick on. How do I solve this?

Asked by shawn on 11/10/2013 2  Answers

ManualsOnline posted an answer 10 years, 5 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Rewarder User posted an answer 10 years, 1 month ago

5 An open pressure switch could be caused by an obstruction in the furnace vent pipe which attaches to the top of the furnace and runs to the exterior of the home. If no blockage is found and the induced draft motor is running when attempting to start the heater, "it is the first thing u hear running when turning on heat", the switch has failed & needs replaced. NEVER BYPASS A SAFETY DEVICE IN YOUR HEATER IT CAN CAUSE A FIRE OR DEATH BY CO2 POISONING... Hope this info is helpful
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