Rockwell Automation 1790-XXXX CompactBlock LDX I/O DeviceNet RTD and Thermocouple - Manual (Page 17)

17
Publication 1790-IN011B-EN-P - April 2003
Troubleshoot with the Indicators
The 1790D I/O block has the following indicators:
• module status
• network status
• I/O status
Mod/Net Status Indicator
LED Indicator: Status: Description:
Module Status Solid Red Unrecoverable fault in base unit
Flashing Red Recoverable fault
Solid Green Normal operation - OK
Flashing Green Standby
Off No power
LED Indicator: Status: Description:
Network Status Solid Red Unrecoverable communication fault
Flashing Red Recoverable communication fault
Solid Green Communication path complete - OK
Flashing Green Communication path incomplete
Off Device not online or not powered
I/O Channel LED Status Indicator
Status: Description:
Flashing Green/Red Power up
Off Off line
Red On line and no field power
Red DeviceNet connection and no field power
Flashing Red Field power and open wire
Green Field power and valid input
Flashing Red Input over range
Flashing Red Input under range
Flashing Red Recoverable fault