What Does the Blinking Light on My Furnace Mean?
The blinking light on a furnace is a fault code from the control board. How to read it safely, what common codes mean, and when a reset is fine or not.
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Furnace Repair in Mounds View, MN
In Mounds View, a furnace repair visit costs a $79 trip charge, and we waive it when you approve the repair. You'll have the flat-rate price on paper before we start, and we're open 7 days, 7am–9pm. Most Mounds View furnaces sit in an open basement corner of a 1950s–1970s rambler or split-level.
Furnace repair calls in Mounds View homes
Mounds View's houses mostly date from the 1950s through the 1970s, and the furnaces in them are on their second or third round. Basements tend to be open, with the furnace in a corner near the water heater and often the laundry, so repairs are easy to reach. The trouble spots are older than the furnace. Chimney-vented 80% units share a flue with the water heater, and a partly blocked or deteriorating chimney can trip the rollout or pressure switch. Thermostat wiring is often an old two-wire run from the original heat-only system, and a new thermostat installed without a common wire can drop out and leave the furnace idle.
Blocks rebuilt after the 1965 tornado have late-1960s houses with the same patterns. Apartments and duplexes along Mounds View Boulevard bring shared basements and more than one furnace. Gas here is Xcel Energy's, so if you smell gas, leave and call Xcel before calling us. After that, it's usually igniters, flame sensors, inducers or blower capacitors.
Updated September 23, 2026
How much does furnace repair cost in Mounds View?
Every furnace repair call in Mounds View starts with a $79 trip charge, waived when you approve the repair, and a written price before any work. Same prices in Mounds View as in every town we serve. National averages (HomeGuide, 2026), not our prices: a limit switch $100–$375, a control board $300–$650, an inducer motor $400–$1,100. More in the furnace repair cost guide.
Signs your furnace needs a technician
- The inducer starts, the igniter glows, then the burners never light
- The burners light for a few seconds and shut off, over and over
- The furnace runs but the vents blow cool air
- A blinking code on the control board, or the furnace has locked out
- Your CO alarm went off or the burner flames look lazy and yellow
- New banging, squealing or grinding when the furnace starts
- Water pooling around a high-efficiency furnace
More detail on our furnace repair page.
Symptom guides: Blowing cold air · Won't ignite · Short cycling · Blinking light codes · Pressure switch trips · Strange noises · Leaking water · Burning smell · Red tag · Carbon monoxide
Furnace repair in Mounds View: questions
Our Mounds View furnace sits right next to the washer and dryer. Does that matter?
It can. Dryer lint loads the furnace filter and settles on the burners, and vapors from bleach, detergents and fabric softener pulled in as combustion air can corrode the heat exchanger and vent parts over the years. Keep the area around the furnace clear, store laundry chemicals sealed and away from it, and check the filter more often. On a repair visit we look for lint in the burners and corrosion in the cabinet.
Is it safe to keep running our older Mounds View furnace?
It can be, if it passes a safety check. Age alone doesn't make a furnace dangerous; a cracked heat exchanger, a failing flue or a blocked chimney does. Our repair visits include a carbon monoxide check around the furnace and flue, and a technician can shut off a furnace that isn't safe. Minnesota law also requires working CO alarms within 10 feet of every sleeping room, so test yours.
More in Mounds View
- Furnace replacement in Mounds View
- AC repair in Mounds View
- AC replacement in Mounds View
- All HVAC service in Mounds View
Furnace repair near Mounds View
- Spring Lake Park, MN 2 mi
- New Brighton, MN 3 mi
- Fridley, MN 3 mi
- Arden Hills, MN 3 mi
- Circle Pines, MN 3 mi
- Shoreview, MN 4 mi
Brands we repair
Guides on furnace repair
Lennox Furnaces Compared: Merit vs Elite vs Dave Lennox Signature
How to decode a Lennox furnace model number, what really separates Merit, Elite and Dave Lennox Signature, and which one fits a Minnesota house and budget.
Read the guideFurnace Repair Cost in Minnesota (2026)
Furnace repair pricing in Minnesota for 2026: a $79 trip charge waived with the repair, written flat-rate prices, national part costs and when to replace.
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Furnace repair in Mounds View? Call or send a request.