
ZEISS
5 Commissioning and First Operating Steps | 5.10 Performing an Emergency Shutdown
5.10 Performing an Emergency Shutdown
If an emergency occurs and you quickly must shut down the microscope, then you need to per-
form an emergency shutdown.
WARNING
Residual voltage at the mains plug
After unplugging the mains plug residual voltage is present at the pins of the plug which may
cause electrical shock.
4
After unplugging the mains plug wait at least 5 s before touching the pins of the mains
plug.
NOTICE
Components in the high voltage circuitry
When the microscope, especially the gun, is fully on, an abrupt shutdown of all electrical sup-
plies may damage some components in the high voltage circuitry, mainly the cathode.
4
Use the emergency off only in an emergency situation with personnel injury.
Procedure
1. If the EMO circuit is not installed, unplug the
power cord by unplugging the CEE connector
from the CEE FEMALE RECEPTACLE of the
mains supply.
2. If the EMO circuit is installed, press the
EMO
button on the top of the plinth.
Instruction Manual ZEISS SIGMA series | en-US | Rev. 7 | 352102-9344-006
129