Xmtd-2201 Manual Info

| Code | Cause | Remedy | |------|-------|--------| | HHH | Sensor open / over-range | Check wiring, replace sensor | | LLL | Sensor short / below range | Check sensor type | | Err | Parameter error | Re-enter parameters or reset |

| Code | Meaning | Typical Setting | Explanation | | :--- | :--- | :--- | :--- | | HC | Heat/Cool | H (Heating) | Set to H for heating control. Set to C for cooling. | | P | Proportional Band | 2.0 - 30.0 | Lower number = faster reaction but risk of oscillation. | | I | Integral Time | 100 - 200 | Corrects offset errors. | | d | Derivative Time | 0 - 50 | Prevents overshoot. | | AL1 | Alarm 1 | 400 | The temperature at which the alarm triggers. | | Sn | Sensor Input | 0 (K-type) | Crucial: Must match your sensor. 0 is often K-type thermocouple. Check your specific manual for codes. | xmtd-2201 manual

If you have completely misconfigured the parameters, reset the unit: | Code | Cause | Remedy | |------|-------|--------|

This is where most users get lost. The XMTD-2201 contains a hidden secondary menu for configuring input type, PID values, and alarms. This is where most users get lost