Make sure that waste water flowing from equipment automatically. Maintenance should only be performed by qualified professionals. Disable electrical power and remove the plug from the socket before. Performing repairs on the device. Install a leakage protector socket & earthing conductor.
220 - 240V / 50Hz. Appliances are designed to discharge fecal matter and toilet paper only. However pass through the pump.But larger items unfortunately can block the pump. This is the main cause.