ProSoft Technology MVI71-GEC - Manual (Page 34)

Diagnostics and Troubleshooting MVI71-GEC ♦ PLC 5 Platform
User Manual Generic ASCII Ethernet Communication Module
Page 34 of 86 ProSoft Technology, Inc.
May 11, 2011
4.1 LED Status Indicators
The LEDs indicate the module’s operating status as follows:
LED Color Status Indication
CFG Green On Data is being transferred between the module and a remote
terminal using the Configuration/Debug port.
Off No data is being transferred on the Configuration/Debug port.
P1 Green On Port not used
Off Port not used
P2 Green On Port not used
Off Port not used
APP Amber Off The MVI71-GEC is working normally.
On The MVI71-GEC module program has recognized a
communication error.
BP ACT Amber On The LED is on when the module is performing a write
operation on the backplane.
Off The LED is off when the module is performing a read
operation on the backplane. Under normal operation, the LED
should blink rapidly on and off.
OK Red/
Green Off The card is not receiving any power and is not securely
plugged into the rack.
Green The module is operating normally.
Red The program has detected an error or is being configured. If
the LED remains red for over 10 seconds, the program has
probably halted. Remove the card from the rack and re-insert
the card to restart the module’s program.
BAT Red Off The battery voltage is OK and functioning.
On The battery voltage is low or battery is not present. Allow
battery to charge by keeping module plugged into rack for 24
hours. If BAT LED still does not go off, contact ProSoft
Technology, as this is not a user serviceable item.
4.1.1 Ethernet LED Indicators
LED State Description
Data OFF No activity on the Ethernet port.
GREEN Flash The Ethernet port is actively transmitting or receiving data.
Link OFF No physical network connection is detected. No Ethernet
communication is possible. Check wiring and cables.
GREEN Solid Physical network connection detected. This LED must be ON
solid for Ethernet communication to be possible.