832-6063.0 * OPERATION SIMOSEC * REVISION 02 81
Operation
Switch to OPEN position Switching the three-position switch to OPEN position is always possible even if the FII-
Protection-System is active or not.
Fig. 64: Switching to OPEN position is always possible
Ö Switch the three-position switch to OPEN position.
Ö Check if fuses are blown or not installed.
Ö Replace or install fuses.
Ö Check if the shutter of the FII-Protection-System is still visible in the slot for closing/
opening of the three-position switch.