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 Wayzata, MN
Furnace repair in Wayzata with us costs a $79 trip charge up front, waived when you approve the repair, and you get a written flat-rate price first. We're open 7 days a week, 7am–9pm. Estate homes on the Ferndale shore can run several systems, and we check each one on the same visit.
Furnace repair calls in Wayzata homes
Wayzata's furnace work splits by era. Up the hill toward Highway 12, postwar and 1960s houses have basement furnaces that are now a generation or two past original, and the calls are familiar: igniters, flame sensors, inducers, and limit trips from filters nobody changed. Near downtown, converted cottages and small houses can have a furnace in a tight closet or low crawlspace, and condo buildings add an association that controls access and vent routes.
The estate homes along the Ferndale shore are different machines. Many heat with a boiler and use separate furnaces or air handlers for some wings or for cooling, and mechanical rooms rebuilt more than once can leave the control wiring hard to follow. A furnace that won't respond may be fine while a zone relay or an old thermostat circuit has failed, so we trace it back through the controls before replacing parts. Wind off Wayzata Bay finds any weak furnace in January.
Updated September 23, 2026
How much does furnace repair cost in Wayzata?
Every furnace repair call in Wayzata starts with a $79 trip charge, waived when you approve the repair, and a written price before any work. Same prices in Wayzata as in every town we serve. National averages (HomeGuide, 2026), not our prices: a PSC blower motor $500–$1,400, a variable-speed (ECM) blower motor $800–$2,300, an igniter $100–$250. 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 Wayzata: questions
Our Wayzata condo furnace isn't heating. Do we call you or the building?
Check your association documents first. In many condo buildings the furnace inside your unit belongs to you, while vent terminations, the roof and shared chases belong to the association. If the furnace is yours, we can come out and repair it within the building's access rules. If the repair touches a shared vent or the exterior, the association usually needs to be involved before work starts.
Why does our Wayzata furnace seem fine while one wing of the house stays cold?
In larger older homes around Wayzata, heat is often split among several systems or zones, each with its own thermostat, relay or damper. When one wing goes cold while the furnace runs, the failure is usually in that zone: a stuck damper, a failed relay or a thermostat circuit that stopped calling. We test the controls from the thermostat back to the equipment and price the repair in writing.
More in Wayzata
- Furnace replacement in Wayzata
- AC repair in Wayzata
- AC replacement in Wayzata
- All HVAC service in Wayzata
Furnace repair near Wayzata
- Long Lake, MN 3 mi
- Plymouth, MN 4 mi
- Deephaven, MN 4 mi
- Minnetonka, MN 4 mi
- Orono, MN 5 mi
- Medina, MN 6 mi
Brands we repair
Guides on furnace repair
Furnace Noises: What Each Sound Means and When to Shut It Off
Bang at startup, squeal, scrape, rattle, hum, click, whistle or a rumble after shutoff: what each furnace noise means and whether it's safe to keep running.
Read the guideThe Quietest Furnaces for Minnesota Homes, and Why the Ducts Matter as Much
The quietest gas furnaces from Lennox, Carrier and Trane, the features that really cut noise, and the duct fixes that quiet any furnace in a Minnesota home.
Read the guideContact Us
Furnace repair in Wayzata? Call or send a request.