Carrier Infinity fault codes 178 can be a frustrating issue for homeowners as they indicate a communication error between the indoor and outdoor units. To troubleshoot this fault code, it …

Sep 20, 2023 · The failure could stem from something as simple as loose thermostat wiring you can fix in five minutes, or as complex as failed control boards requiring professional …

Feb 12, 2025 · Explanation: Code 178 indicates that the thermostat cannot detect any devices or components of the HVAC system. This might include issues with the wiring, sensors, or …

Fault code 178 on a Carrier Infinity system typically indicates a communication error between the thermostat and the control board. First, power cycle the system by turning it off for 5 minutes, …

Feb 19, 2023 · This Reddit post seems to be the most detailed and potential fix that I plan on showing our technician when they show up tomorrow afternoon. …

Mar 20, 2023 · I moved into a house 18 months ago, and the Carrier Infinity hybrid heating system -- gas furnace and heat pump -- has been a constant problem since we moved in. …

Some common Carrier Infinity fault codes include code 178, indicating a critical blower motor fault, and code 84, indicating a high-pressure lockout. These codes, along with others, can help …

Phil: Mechanical Engineer: Many if not most HVAC technicians will resort to inspecting those components for burn marks or bad connections and replace the most suspect piece or pieces …

Fault 178 on a Carrier Infinity system typically indicates a pressure switch or airflow issue. Start by inspecting the pressure switch tubing for blockages or damage.

Carrier Infinity fault codes are displayed on the HVAC system’s control panel or thermostat, indicating potential malfunctions or errors. Each code corresponds to a specific issue, allowing …