If the display shows "ERR," check if your V1 is set higher than V2 in a mode that requires V2 to be the maximum. 6. Safety Warning
If the relay clicks rapidly on and off, your V1 and V2 values are likely too close together. Increase the "hysteresis" (the gap between the two numbers) to stabilize the switching. dvb01 user manual
The relay remains inactive. The screen simply acts as a digital voltmeter. If the display shows "ERR," check if your
The relay pulls in when the voltage is below V1 or above V2. 4. Programming Instructions To set your Upper (V2) and Lower (V1) thresholds: If the display shows "ERR