1. Turn the EMERGENCY STOP command device in the direction of the arrow to unlatch it.
2. Acknowledge any existing fault messages.
Result The machine can now be started again.
9.3 Acknowledging alarm and warning messages
Messages are displayed on the "new value" principle: You can acknowledge warning or fault mes‐
sages immediately after
Message coming or Message going. However, warning and fault messag‐
es can be acknowledged only following a successful elimination of the corresponding fault.
Message sequence 1
Indication
Message coming
LED flashes
Message acknowledged
LED illuminates
Message going
LED off
Tab. 82 Message sequence 1
Message sequence 2
Indication
Message coming
LED flashes
Message going
LED flashes
Message acknowledged
LED off
Tab. 83 Message sequence 2
Fig. 44 Acknowledging messages
17
Warning LED (yellow)
20
Alarm LED (red)
21
Key «Acknowledge»
Alarm message
An alarm message shuts the machine down automatically.
The red
Alarm LED flashes.
Precondition The fault has been rectified
➤ Press «Ack» to acknowledge the fault message.
Alarm LED extinguishes. The machine is again ready for operation.
9
Operation
9.3
Acknowledging alarm and warning messages
178
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.0.X
No.: 9_9450 12 E