Emergency Off Button
The Emergency Off button (EMO) is a red, mushroom shaped pushbutton switche, that is located on the Evacuation control panel of Main unit. Its purpose is to shut off all power in the system when pushed, and it is a non- momentary switch which is never be overridden even during servicing of the system.
Fig S- 5 Location of Emergency Off button
It is recommended to check the function of Emergency Off circuit during the regular maintenance.
NOTE : When pushing the EMO, the whole power line is cut off. Since a battery backed up power supply for the PC is not mounted the PC can not finish the shutdown sequence, thus possibly causing serious damage to the PC file system.
RECOVER OF EMERGENCY OFF
1.Check the whole system. If the system has something wrong, call service personnel (Hitachi
2.Turn all breakers on the back og the display unit.
3.Unlock EMO switch. (Turn clockwise for unlocking)
4.Refer to section 4 for starting up.
SAFETY - 15
