1. Turn the EMERGENCY STOP push button 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. 80 Message sequence 1
Message sequence 2 Indication
Message coming LED flashes
Message going LED flashes
Message acknowledged LED off
Tab. 81 Message sequence 2
Fig. 42 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
176
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.1.2 No.: 9_9450 13 USE