P12x/EN T/Eb6 - Schneider - error

Application GuideP12x/EN AP/Eb6MiCOM P120/P121/P122/P123 Page 41/7817. MAINTENANCE MODEThis menu allows the user to verify the operation of the protection functions without actuallysending any external command (Tripping or signalling).The selection of the maintenance mode is possible by logic input, control command (rear orfront port), or by front panel interface. The end of maintenance mode is done by logic input,by control command or on the front panel interface time out (5 minutes) and by turning offthe power supply.Maintenance ModeYESWhen this menu is activated (set to YES), the Alarm led will start to flash and the alarmmessage “MAINTENANCE MODE” will be displayed. In this case, all the output contacts areblocked, and no command can be issued to these contacts, even if a protection thresholdassociated to one of these output contacts has been crossed.(If a protection threshold is crossed, all associated LEDs will be ON, even the TRIP LED, ifthe threshold is associated to the RL1).RELAYS 8765W4321CMD 000000000This window allows the user to verify the external wiring to the relay output contacts. To dothis, the user just has to assign a 1 to any of the output contacts, and this will close thecontact and the continuity of the wiring can be verified.