The original solar pump speed is 4000rpm, if need lower speed, can follow this video! 🤓
Power on ➡️ press ”ON/FF”➡️ long press “SET” ➡️ show “P0.0” ➡️ ENTER ➡️ shows “0.00” ➡️ UP ➡️ “0.03” ➡️ “P0.0” ➡️ DOWN ➡️ “P1.1” ➡️ ENTER ➡️ shows “4000” ➡️ Down to the speed you want (for example 3800rpm) ➡️ ENTER ➡️ long press “SET” ➡️ press “ON/OFF” to restart
