Complete 1 system furnace repair and preventative maintenance check. Check and find the system lockout on safety. Find furnace overheated. Reset the system and find the inducer assembly worn and locking up. Find furnace high temperature and overheating. The ignition control board is worn. The customer needs an estimate and scheduled for Tuesday morning. System operating now but will fail. Show the customer how to reset the system but not Guarantee that will work if the inducer motor completely fail.