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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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N8MPN furnace, no igniter and inducer motor does not run.

Customer Question

N8MPN furnace, no igniter and inducer motor does not run. LED 10 flashes. Limit switches are all close, pressure switch works, 24 volts OK. To voltage on control board to igniter or inducer motor. Door switch works.
Submitted: 10 months ago.
Category: HVAC
Expert:  Rick replied 10 months ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your

issue. First I’ll need some more info so I have a more complete picture of you situation

A 6+4 flash error is an open limit circuit. You need to check continuity at the pins at the end of the limit circuit where it plugs into the gas valve. My schematic shows red leads.