Siemens SIMATIC Rack PC 547B - Status Indicators

Description
3.6 Design
SIMATIC Rack PC 547B
Operating Instructions, 12/2007, A5E01127519-02
21
3.6.4 Status indicators
Status displays

Pos Display Meaning LEDs Description
(1) STATUS Fan/temperature status OFF
RED
• No error
• Temperature critical (CPU, device
temperature).
• CPU heat sink fan fault
• Enclosure fan fault
• Power supply fan fault
(2) HARDDISK Display for hard disk
access
OFF
GREEN
• No access
• Access
(3) POWER PC operating status
display
OFF
YELLOW
GREEN
• Hibernate, switched off or unplugged
• Windows standby
• PC in operation