(Sinotimer or its distributor). Many product manuals are listed under “Downloads” or “Support.”
Continue pressing SET until "END" appears on the display. Press SET one last time to save and exit; otherwise, the data will not be valid. Indicator Lights: Green: Normal power supply. Red: Fault condition (over/under voltage or current). Wiring Instructions
Here’s how you can find the official PDF:
Press SET repeatedly to cycle through parameters (e.g., P01 for over-voltage, P04 for under-voltage).