Temperature Controller Manual: Fourtech

If your temperature keeps overshooting (going too hot) or oscillating, you need to run Auto-Tune. This tells the FourTech to calculate the correct PID values for your specific machine.

Once the LED stops flashing, the tuning is complete and PID values are set. 5. Common Configuration Parameters fourtech temperature controller manual

Check the "OUT" indicator light. If it's on but there’s no heat, the issue is likely with your external relay or heating element. If your temperature keeps overshooting (going too hot)

: To stop "noise" from messing with readings, use shielded wires for sensors and keep them far away from power lines. fourtech temperature controller manual

Displays the target temperature you want the system to reach.