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 Eden Prairie, MN
In Eden Prairie, a furnace repair visit starts with a $79 trip charge that's waived when you approve the repair, and the written flat-rate price comes before any work. We're open 7 days, 7am–9pm. Many larger homes here run two furnaces, so we confirm which one serves the cold floor first.
Furnace repair calls in Eden Prairie homes
Eden Prairie's houses run from 1970s walkouts to 2000s two-stories, and the bigger ones often split the heat between two furnaces or run one furnace with zone dampers. When one floor goes cold, the fault can be the furnace, a stuck damper motor or a zone control board, and we test those before quoting a part. On variable-speed furnaces with communicating thermostats, the board's fault history usually points to the failed component faster than swapping parts would.
Townhome furnaces tend to sit in finished lower levels with tight access, where a filter slot hidden behind shelving gets forgotten and the furnace overheats on its limit switch. The oldest 1970s homes above Purgatory Creek and Staring Lake have usually been through at least one replacement, and whatever is there now gets a close look at the heat exchanger and the flue. Igniters, flame sensors and inducer motors round out the everyday list.
Updated September 23, 2026
How much does furnace repair cost in Eden Prairie?
Every furnace repair call in Eden Prairie starts with a $79 trip charge, waived when you approve the repair, and a written price before any work. Same prices in Eden Prairie as in every town we serve. National averages (HomeGuide, 2026), not our prices: a pressure switch $150–$400, a limit switch $100–$375, a control board $300–$650. More in the furnace repair cost guide. For what drives a quote locally, see HVAC cost in Eden Prairie.
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 Eden Prairie: questions
The furnace vent on the walkout side of our Eden Prairie house keeps getting buried. What can we do?
On a walkout, the rim joist on the exposed side sits near grade, so side-wall PVC can end up low, under a deck or beside a patio door where snow and ice collect. A blocked intake or exhaust opens the pressure switch and locks the furnace out. Clear it gently by hand in the meantime. The lasting fix is raising the termination or moving it to a wall that stays clear, within the manufacturer's clearance rules.
One of the two furnaces in our Eden Prairie house quit. Will the other keep things safe until you arrive?
It usually keeps the floors it serves warm, but it can't heat the other system's rooms, and those can drop fast in a cold snap. Close doors to rooms you aren't using, open cabinet doors on outside walls with plumbing, and don't heat with the oven. Call us, since no-heat calls get priority, and we'll diagnose the failed system and give you a written price before any work.
More in Eden Prairie
- Furnace replacement in Eden Prairie
- AC repair in Eden Prairie
- AC replacement in Eden Prairie
- Heat pumps in Eden Prairie
- Mini-splits in Eden Prairie
- Boiler service in Eden Prairie
- Tune-ups in Eden Prairie
- HVAC cost in Eden Prairie
- All HVAC service in Eden Prairie
Furnace repair near Eden Prairie
- Chanhassen, MN 3 mi
- Minnetonka, MN 4 mi
- Shakopee, MN 5 mi
- Hopkins, MN 6 mi
- Excelsior, MN 6 mi
- Deephaven, MN 6 mi
Brands we repair
Guides on furnace repair
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Furnace repair in Eden Prairie? Call or send a request.