Oregon ScientificFAQ client

We suggest checking the product specifications for your THGN123N sensor to find a compatible replacement. It's often helpful to look for a model with similar features and specifications. You may also consider checking our website for the most up-to-date information on compatible replacement sensors.

It sounds like there might be an issue with the reset sequence or a possible fault with your unit. Try the following steps: Remove the batteries, wait for about 10 minutes, and then reinsert them. Make sure the batteries are new and correctly installed. If the issue persists, it may indicate a hardware problem and the unit might need servicing or replacement.