Siemens Sinumerik 840D Operating Turning page 362

Section 3
Notes
B526
B526
Displaying and handling alarms
3.2 Vertical softkey bar
The following vertical softkeys are shown in the VSK after pressing the
HSK 1.1 „Alarmlist"
Display area Description
Press the VSK 1 "Delete HMI alarm" to delete a
HMI alarm.
Press the VSK 2 "Acknowl. alarm" to delete a PLC
alarm of the SQ type.
Note:
The softkeys are activated when the cursor is placed on the correspond-
ing alarm.
3.3 Acknowledgement symbols
Symbol Instruction
Turn the unit off and back on (main switch), or press
NCK POWER ON.
Press the "RESET"-key.
Press the "ALARM CANCEL"-key.
Press the VSK 2 "Acknowl. HMI alarm"-key.
Press the key provided by the manufacturer.
3.4 Deleting or acknowledging an alarm
1. Press the "MENU SELECT"-key on the CNC-
keyboard and the yellow HSK 5 "Diagnostics".
Alternatively press the "ALARM"-key on the CNC-
keyboard.
The operating area "Diagnostics" opens.
2. Press the VSK 1.1 "Alarm list" to open the "Alarms"-
window.
3. Navigate the cursor with the blue cursor keys to the
corresponding alarm.
4. Press the corresponding key on the keyboard that is
displayed in the alarm line.
- OR -
4. Press the VSK 1 "Delete HMI alarm" to cancel a HMI
alarm.
- OR -
4. Press the VSK 2 "Acknowl. Alarm" to delete a PLC
alarm of the SQ type (alarm number as of 800000).
The alarms are now deleted.
Page 6 840D/828D SINUMERIK Operate