Result The
Control voltage
LED extinguishes. The machine is switched off and disconnected from the
mains supply.
8.2 Switching off in an emergency and switching on again
The EMERGENCY STOP push-button is located below the control panel.
Fig. 17 Switching off in an emergency
9 EMERGENCY STOP control device:
Switching off
➤ Press the EMERGENCY STOP control device.
Result The EMERGENCY STOP button remains latched after actuation.
The compressor's pressure system is vented and the machine is prevented from automatically re-
starting.
Switching on
Precondition The fault has been rectified
1. Turn the EMERGENCY STOP device in the direction of the arrow to unlatch it.
2. Acknowledge any existing alarm messages.
Result The machine can now be started again.
8.3 Switching on and off from a remote control centre
Precondition A link to the remote control centre exists.
8 Operation
8.2 Switching off in an emergency and switching on again
ESD_2C_10357405_10–LIN_00 E
Service Manual Screw Compressor
ESD 442/14 bar (abs) SFC SIGMA CONTROL 2
49
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