Economical 4-Digit Dual Display PID Temperature Controller

Quick switching by shortcut keys:

In the operation mode

Press and hold the "↓" and "↑" keys simultaneously for 3 seconds.

Please operate as follows:

1. Hold the "SET" key for 2s,The [P-1] page appears, press the "↑" key once, and the [P-2] page appears.

2. In [P-2], press the "SET" key once, the input specification [INP] page appears, adjust it with the "↑" and "↓" keys.

After adjusting, hold the "SET" key for 3s to save the parameter and return to run mode.

Check the following conditions:

1. whether the input sensor is damaged

2. whether the input wiring is correct

3. Whether the input type of the controller [INP] is matched with the sensor

4. Whether the error correction [EC] parameter is set correctly

5. Whether the parameters of the lower range limit [SLL] and upper range limit [SLH] are set correctly.