ZKSJ Aquarium Pump Wave Pump DC24v 10000L/H Small but strong Super quiet Programable 7 wave mode

Five Protection Function
1.Dry run protection
Dry run protectionIf pump works in water shortage status, the pump starts working.and then stop. The pump will repeat this process automatically,to make sure it will work properly once resumes in enough water.This dry run protection function can avoid pump burned in thewater shortage status.

2.Locking protection
If the pump is stuck because it is not cleaned periodically. Thereis a "ERR" warning signal. And the pump will restart for 5 times,which can eliminate tiny impurities. After restarting 5 times,we can clearly know that the pump must be stopped for cleaning.

3.Over voltage protection
When there is something wrong with adapter, the voltage becomeshigher. The controller starts protection status, the display shows"ERR" warning. This can avoid controller burned.

4.Low Voltage Protection
When the consumption power is low, the displays shows "ERRwarning.This can avoid insufficient flow rate.

5.Overloading Protection
When the pipe is blocked, or too many impurities in pump body, thepump will be over loaded. The pump will send out the waring signaland trigger protection function. lt will be continuously started workingto avoid being burned.