LOAD IDLE
The machine switches to IDLE.
The
Machine ON
LED flashes.
The drive motor comes to a stop after
about 15 seconds.
The
Machine ON
LED extinguishes.
The motor stops immediately.
The
Machine 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 the
Machine 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. The
Controller Power
LED ex‐
tinguishes.
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 Operation
8.2 Switching off in an emergency and switching on again
9_5717 20 E
Service Manual Screw Compressor
ASK T SIGMA CONTROL BASIC
53
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