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 Victoria starts with a $79 trip charge, waived once you approve it, for three-level homes built since the late 1990s. In three-level homes built since the late 1990s, a stuck zone damper or failed blower module can leave one floor cold while the burner runs fine.
Most furnaces in Victoria serve homes built from the late 1990s on: large two-stories and walkouts with a finished lower level, often with zone dampers and a variable-speed blower. When those systems misbehave, the burner side isn't always the problem. A stuck zone damper or failed zone panel can leave one floor cold while the furnace runs fine. A variable-speed motor's electronic module can fail on its own, and high static pressure from too few returns keeps the blower working at its limit. Condensate traps and PVC terminations on 90%+ furnaces round out the common calls.
Older houses near the original core and on lakeshore lots are different. A converted cabin on Lake Bavaria or one of the smaller lakes may have an older 80% furnace on a chimney or equipment squeezed into a tight space, and winter wind across the ice exposes every weak spot. A CO check around the furnace and flue belongs on any furnace or water-heater service here.
Updated November 10, 2026
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.
Symptom guides: Leaking water · Burning smell · Red tag · Carbon monoxide · Signs your furnace needs a technician
Usually not. One furnace serving three levels puts warm air where it rises, and a single main-floor thermostat can't see the lower level. If the house has zone dampers, one may be stuck or its control may have failed. We check the dampers, the zone panel, blower speed and static pressure, and price any repair in writing. Adding zones is a separate conversation if you don't have them.
Not necessarily. Many variable-speed furnaces in newer Victoria homes are set to run the blower continuously at low speed to mix air between floors and feed the air exchanger, and a variable-speed motor uses little electricity doing it. Call if the blower ramps up and down oddly, won't stop at all, or the furnace shows an error code, which can point to a failing motor module or control board.
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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