I live in SW Virginia, which means it gets pretty hot in summer and cold in winter as we live in the foothills of the Blue Ridge. I also noticed that if it is at temp in the house, it can maintain it, but shuts down when it needs to continually try to warm the house. When this happens, it can be tough to know whether to attempt a repair on your own or to contact a trained HVAC technician. Within the manufacturers, the flash codes can be different from one furnace to the next. It turns on and cycles 1 or 2 times then shuts off and flashes 3 times. I have a 95% efficient tempstar furnace model N9MSE that my wife and I purchased 9 months ago. Despite the reliability of a Tempstar furnace, you will inevitably come to a time when your unit starts to experience some performance issues. Your Account. :confused: Its late August, thought I'd check out the american standard freedom 90 furnace. It was the greatest purchase I could have made. 14 years old and I have never ever had any problems until now any recommendations ? It turns on and cycles 1 or 2 times the shuts off and flashes 3 times. Video. When to call a professional to repair your Tempstar furnace. I purchased my Trane in 2013 from a local heating and air contractor. Most units will light 3 times, then go into hard lockout. Furnace blower runs all the time. Many of the failures of modern furnaces can be traced to simple maintenance. 2 possible causes and potential solutions . Indicated this may be the pressure … read more Therefore, it is nearly impossible to describe every flash code event for every furnace … En español Live Chat online. Featured Video. If you realize that a solitary light blinking slowly - Furnace repair service heating installation HVAC ac repair heating rebate Hot Water Tanks, Boilers BC Furnace Vancouver Burnaby Surrey Coquitlam Richmond White Rock Maple Ridge Port Moody Delta Abbotsford Aldergrove Pitt Meadows North Vancouver West Vancouver I have a 95% efficient tempstar furnace model N9MSE that my wife and I purchased 9 months ago. It worked fine last spring, but now flashing 3, for a "pressure switch error". View solutions. I've checked the airflow, and drains, and everything seems to be clear. Nearly every manufacturer has different flash codes. High limits and you. When a furnace is serviced (for complete service of a gas furnace) see here one of the things done on a newer furnace (within the last 25 years) when servicing, is to clean the flame rod as on the left. I also noticed that if it is at temp in the house, It can maintain it, but shuts down when it needs to continually try to warm the house. Find the most common problems that can cause a Tempstar Furnace not to work - and the parts & instructions to fix them. 1-800-269-2609 24/7. 1) furnace does not even start up, but it has power. Free repair advice! A "high limit" switch protects the furnace against overheating and damage -- it's located in the output duct, or plenum, of the furnace and turns the furnace off if things get too hot up there.The usual cause of a high limit trip is inadequate airflow -- in your case, because an apparently faulty connection was causing the fan to not run. Clean and I still get the same code what could be the problem the furnace is. With a smart gas valve that flashes code 3 (low pressure switch stuck open) I have replaced the switches cleaned the furnace and inducer motor is spotless. Gas Furnace Troubleshooting and Repair - Flash Codes. Ive checked the airflow, and drains, and everything seems to be clear. Your Account. 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