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Basic operation of the Frequency Converter for JL350-2J

Release Time:2016-12-23

The LED display of frequency converter lights when the power supply switches on. But the pump is in stopping status.Run /stop: Press [Run/Stop] key, the [Run] indicator lights and the pump runs. Press the [Run/Stop] key again the pump stops.Speed Adjustment: Press Speed Adjustment/ Data Input Keys 2 to
change the speed of the pump. The LED displays the value of the frequency. The actual speed (rpm) is about 5.8 times of frequency value.

Direction: Press the [MODE/RESET] key continuously till the LED displays [Frd] when the [FWD] indicator which is in the left side of LED screen lights. Press the Speed Adjustment/ Data Input Keys 2, the LED displays [REV]. The [REV] indicator lights at the same time and the motor rotates reversely. When the [REV] indicator which is in the left side of the LED screen lights, switch to [FWD]
mode in the same way.

Display Convert: Press the [MODE/RESET] key continuously can show the following parameters alternatively: F: setting the frequency; H: the actual running frequency; A: the current of the motor.

Frequency Converter Troubleshooting: Frequency converter has many warning and protective functions. The motor will stop automatically when the pump is in abnormal status. Eliminate the abnormal status and press the [MODE/RESET] key the pump can work continuously. The letters or the symbols on the LED display show the information of abnormal status. For details please see the <SE Series Frequency Converter Operating Manual >