6 天之前 · Fault code 178 can stem from several causes, including a bad thermostat, loose or damaged wiring, or an outdoor condenser without a capacitor. While troubleshooting this error …

Hello, Code 178, Indoor Units printed circuit board, or 24 volt control circuit is non functional.. it could be a bad thermostat, printed circuit board, or just an oxidized wire connection. Trouble …

Carrier Infinity fault codes 178 indicate a communication error between the indoor and outdoor units. Common causes of fault codes 178 include circuit board failure and issues with the …

ANSWER:That means:For 3 consecutive high stage starts, the specified start voltage at VS terminal was not achieved and start relay was de-energized. High stage locked out for 30 …

2025年2月12日 · 1. Code 178 – No Device Detected. Explanation: Code 178 indicates that the thermostat cannot detect any devices or components of the HVAC system. This might include …

2023年2月19日 · I have a Carrier infinity hybfid heating system -- gas furnace and heat pump. intermittently i have been getting FAULT CODE 178 - indooe communication error and have …

2022年1月21日 · Carrier Infinity Fault Code 178. Code 178 indicates Indoor unit printed circuit board, or 24-volt control circuit is non-functional. The issue may be caused by a bad …

I'm currently at a client's house where they have a Carrier unit paired with a Bryant Evolution Connect thermostat. The thermostat is displaying a System Fault Error Code 178, indicating …

2020年5月23日 · It seems like at random times throughout the year, the system would work fine until we start getting the dreaded 178 indoor/179 outdoor communication fault errors. The …

Some common Carrier Infinity fault codes include code 179 (which indicates a high-pressure fault) and code 178 (which indicates a low-pressure fault). To troubleshoot these codes, …