Carrier Furnace Error Codes: What the Blinking Light Means
Carrier furnace error codes from the maker's own troubleshooting guides: how to count the flashes safely, what each code means, and when to call a tech.
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Furnace Repair in Hugo, MN
Most Hugo furnaces date from the 2000s building boom, and repairing one costs a $79 trip charge that comes off once you approve the repair. Worn inducers, plugged condensate traps and cracked igniters top the list, priced in writing first.
Furnace repair calls in Hugo homes
A typical Hugo furnace call is a condensing furnace installed with the house sometime between 2000 and 2010, now old enough for its first real failures. The inducer motor starts to whine or rattle. The condensate trap or its hose plugs, the pressure switch won't close, and the furnace tries to light, stops and tries again until the board locks it out. Hot surface igniters crack, flame sensors coat over, and blower motors that have run every winter for twenty years start to drag.
In a townhome, the furnace may sit in a closet with barely room to slide the blower out, so access takes longer than the part itself. Out in the rural east half, a propane furnace gets its manifold pressure checked against the rating plate, because LP runs at a different pressure than natural gas. Everywhere else in town, the gas comes from Xcel Energy.
Updated October 27, 2026
What do common furnace repairs cost in Hugo?
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.
Symptom guides: Red tag · Carbon monoxide · Blowing cold air · Won't ignite · Signs your furnace needs a technician
Furnace repair in Hugo: questions
Why does the furnace in our 2000s Hugo house try to start and then quit?
On a condensing furnace that age, the usual causes are a plugged condensate trap or drain hose that keeps the pressure switch from closing, a weak inducer, or a dirty flame sensor that can't prove the flame. After a few failed tries, the control board locks out. We check the trap, the switch's vacuum reading and the sensor signal before replacing anything, and clean what's clogged first.
Our rural Hugo home burns propane. Does that change how the furnace gets repaired?
Only in a few places. The igniter, inducer, board and blower are the same parts a natural gas furnace uses. What differs is the gas side: an LP furnace needs its conversion kit, smaller burner orifices and a higher manifold pressure, so we confirm the setup and measure pressure at the valve. Getting that right keeps the burners clean and the heat exchanger from running too hot.
More in Hugo
- Furnace replacement in Hugo
- AC repair in Hugo
- AC replacement in Hugo
- Heat pumps in Hugo
- Mini-splits in Hugo
- Tune-ups in Hugo
- All HVAC service in Hugo
Furnace repair near Hugo
- Centerville, MN furnace repair · 5 mi
- White Bear Lake, MN furnace repair · 5 mi
- Grant, MN furnace repair · 6 mi
- Lino Lakes, MN furnace repair · 6 mi
- Mahtomedi, MN furnace repair · 6 mi
- Vadnais Heights, MN furnace repair · 8 mi
Brands we repair
Guides on furnace repair
Furnace 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.
Read the guideLennox Furnace Error Codes: Blinking Lights and Alerts
Lennox furnaces report faults through DS1 and DS2 blinking lights and S30 or iComfort alerts. Learn what they mean and which checks are safe before you call.
Read the guideContact Us
Heat out? AC quit? Call or send a request.