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This video shows us replacing a SF-30FQ furnace blower motor. This repair is very similar to many other SF style furnace blower motor replacements so check this out even if it’s not your exact model number. If you have power going to your blower motor and it’s not turning it’s time to replace your furnace motor. Remember the furnace motor will not start its sequence if the sail switch is stuck in the closed position so check proper sail switch functionality and verify voltage out of control board before replacing the motor. The symptom of this failure would be turning on your thermostat to heat but the fan doesn’t kick on.