Xmtd-2201 Manual ((top)) 〈Cross-Platform〉

This usually indicates a sensor error. Check that your thermocouple is wired securely to the correct terminals. Temperature "Overshooting":

The manual notes that Mode 3 typically uses a dial switch, while Mode 2 utilizes a potentiometer. 🌡️ Sensor Compatibility & Ranges xmtd-2201 manual

By following this guide and consulting the xmtd-2201 manual, you'll be well on your way to becoming an expert user of your device. Happy operating! This usually indicates a sensor error