Motor failure (very rare) Have motor tested and replace if required. 9—UNDERVOLTAGE Insufficient voltage supply to machine. Check power supply and ensure correct voltage. Power supply to variable speed drives or frequency converters has been turned off. Re-connect power to grinder. 11—OUTPUT PHASE SUPERVISION Short circuit on output side of variable speed drives or frequency converters. Check wiring in plugs connected to motor cables or inside connection boxes on motors. Motor failure (very rare

Manual de instrucciones Lea detenidamente el manual de instrucciones y asegurese de entender su contenido antes de utilizar la maquina. Bedienungsanweisung Lesen Sie die Bedienungsanweisung sorgfaltig durch und machen Sie sich mit dem Inhalt vertraut, bevor Sie das Gerat benutzen. Manuel d’utilisation Lire attentivement et bien assimiler le manuel d’utilisation avant d’utiliser la machine. Husqvarna PG680 PG820 GB ES DE FR HUSQVARNA CONSTRUCTION PRODUCTS Contents English Contents Key to symbols