[. . . ] if electrical components of the appliance get wet , unplug the appliance immediately. (Non-immersible equipment only) 2) If the appliance shows any sign of abnormal water leakage, immediately unplug it from the power source. [. . . ] A cord rated for less amperes or watts than the appliance rating may overheat. Care should be taken to arrange the cord so that it will not be tripped over or pulled. k) This appliance has a polarized plug (one blade is wider than the other). As a safety feature, this plug will fit in a polarized outlet only one way. Exception: This instruction may be omitted for an appliance that is not provided with a polarized attachment plug. It gives you optimum performance with excellent reliability and great effectiveness. All electrical equipment in the water must be disconnected from the mains during care and maintenance work. The product is qualified in accordance with the respective national regulations and guidelines and meets EC standards. A Pump head filter canister pressure side hose connection suction side hose connection lattice screen suction pipe strainer suction cups with clips outlet pipe. B Model with filter pads: Rinse all filter pads under running water and insert them into the filter canister according to the drawing: a 6 coarse filter pads blue, b 1 fine filter pad white and c 1 carbon filter pad black as a top layer. the carbon filter pad adsorbs possible dissolved harmful substances after newly installing the filter. Model with filter media: Rinse all filter media under running water and insert them into the filter canister according to the drawing: a EHEIM MECH, b 1 coarse filter pad blue, c EHEIM SUBSTRATpro or SUBSTRAT, d 1 fine filter pad white, e 1 carbon filter pad black as a top layer. [. . . ] Note: All hose connections must be checked at regular intervals for correct fitting. Attention: The impeller blades must rotate free on the impeller, and the impeller must spin freely on the ceramic shaft, so that the pump starts without trouble. [. . . ]