LOAD IDLEThe machine switches to IDLE.TheMachine ON LED flashes.The drive motor comes to a stop afterabout 15 seconds.TheMachine ON LED extinguishes.The motor stops immediately.TheMachine ON LED extinguishes.Tab. 48 Switching off with/without run-on time.1. Press the «OFF» key.The machine is ready to operate as soon as theMachine ON LED is extinguished. The ma‐chine can be started again.2. Switch off and lock out the power supply disconnecting device.The machine is switched off and isolated from the mains supply. TheController Power LED ex‐tinguishes.8.2 Switching off in an emergency and switching on againThe EMERGENCY STOP push-button is located below the control panel.Fig. 17 Switching off in an emergency9 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 onPrecondition The fault has been rectified1. 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 Operation8.2 Switching off in an emergency and switching on again9_5717 20 EService Manual Screw CompressorASK T SIGMA CONTROL BASIC 53
