Lennox service call Upon arrival unit was give me 7 flash code for limit lockout. Upon testing unit found the blower motor was not running and confirmed. We had 120 V present to the motor. Unit is 11 years old and in good shape no reason to replace unit at this time. Will have office quote out the cost to replace the blown motor and circuitboard Customer does have space heaters to maintain a decent temperature inside the house at this time