HEX: 1B - Overheat sensor short circuit

Fault Details:

• The overheat sensor has a short circuit to ground.

Recommended Solution:

1. Perform an electrical check of the overheat sensor.

2. Visually inspect the unit, seal, threads, cables, and connections to ensure they are undamaged and properly seated.

3. Check electrical continuity.

4. Make sure no debris is on or around the sensor. Do not use compressed air to clean it.

Note: Fault code meanings can vary depending on the model and controller. If you’re unsure, contact Heatso directly.