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 Arden Hills, MN
For furnace repair in Arden Hills, approving the repair wipes out the $79 trip charge, and the flat-rate price is in writing before work starts. We're open 7am–9pm every day. About half the houses here predate 1974, so we test the chimney or flue draft along with the furnace.
Furnace repair calls in Arden Hills homes
Two kinds of furnace calls come up in Arden Hills. The first is the 1970s house, with an upflow furnace in the basement that is often a 1990s or 2000s replacement by now. Its wear items fail in turn: igniters, flame sensors, inducer motors, pressure switches and blower capacitors. If it still vents into the original flue with the water heater, a deteriorated or partly blocked flue can cause rollout trips and spillage, so draft gets tested on those calls.
The second is Arden Manor. A manufactured home's furnace is a direct-vent unit, usually downflow, in a closet, feeding ducts in the floor, and its parts and venting differ from a house furnace. The common problems there are a blocked or damaged roof vent, a filter clogged behind the closet grille and a crossover duct that has come loose under the home, which leaves the far rooms cold while the furnace itself runs fine. Gas service everywhere in the city comes from Xcel Energy.
Updated September 26, 2026
How much does furnace repair cost in Arden Hills?
Every furnace repair call in Arden Hills starts with a $79 trip charge, waived when you approve the repair, and a written price before any work. Same prices in Arden Hills as in every town we serve. National averages (HomeGuide, 2026), not our prices: an igniter $100–$250, a flame sensor $80–$250, a pressure switch $150–$400. 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 Arden Hills: questions
Our Arden Hills furnace trips a rollout switch now and then. What causes that?
Flame rolling out of the burner area instead of going up through the heat exchanger. The usual causes are a blocked or deteriorated flue, a weak inducer, dirty burners or a restricted heat exchanger, and a cracked heat exchanger is on the list too. Don't keep resetting it, because a rollout trip is a safety shutdown. Check your CO alarms and call; we test draft and inspect the heat exchanger before we quote the fix.
The furnace in our Arden Manor home runs, but the far bedroom stays cold. Is the furnace failing?
Probably not. In a double-section manufactured home, heat reaches the far half through a flexible crossover duct under the floor, and when that duct is crushed, kinked or disconnected, the rooms beyond it get little air. A torn belly under the home leaks heat too. We check the furnace's temperature rise and filter first, then look underneath, and a reconnected, supported crossover often solves it for far less than a new furnace.
More in Arden Hills
- Furnace replacement in Arden Hills
- AC repair in Arden Hills
- AC replacement in Arden Hills
- All HVAC service in Arden Hills
Furnace repair near Arden Hills
- Shoreview, MN 2 mi
- New Brighton, MN 2 mi
- North Oaks, MN 3 mi
- Mounds View, MN 3 mi
- St. Anthony, MN 4 mi
- Circle Pines, MN 4 mi
Brands we repair
Guides on furnace repair
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Furnace repair in Arden Hills? Call or send a request.