Emerson PACSystems RSTi-EP - Page 510

User Manual Section 12
GFK-2958L May 2021
LED Indicators and Troubleshooting 496
Module
LED
Status
Recommended action
EP-1318
EP-125F
EP-12F4
EP-1804
EP-153F
—
Error in supply voltage at input current
path
—
Communication error on the system bus
—
There is a new diagnostic message
—
Check the supply voltage
Digital Output Modules
EP-2214
EP-2614
EP-2634
EP-2218
EP-225F
EP-291F
Status LED
Red:
—
Error in supply voltage at output current
path
—
Communication error on the system bus
—
There is a new diagnostic message
—
At least one output overloaded
—
Check that the module has been
snapped into place properly
—
Check the supply voltage
—
Eliminate the overload/short-
circuit
Digital Relay Output Modules
EP-2714
EP-2814
Status LED
Red:
—
Error in supply voltage at output current
path
—
Communication error on the system bus
—
There is a new diagnostic message
—
Check that the module has been
snapped into place properly
—
Check the supply voltage
Digital Counter SSI and Serial Communication Modules
EP-5111
EP-5112
EP-5212
EP-5261
EP-5311
Status LED
Red:
—
Error in supply voltage at input current
path
—
Communication error on the system bus
—
There is a new diagnostic message
—
Check that the module has been
snapped into place properly
—
Check the supply voltage
Pulse-width Modulation Modules
EP-5422
EP-5442
Status LED
Red:
—
Error in supply voltage at output current
path
—
Communication error on the system bus
—
There is a new diagnostic message
—
At least one output overloaded
—
Check that the module has been
snapped into place properly
—
Check the supply voltage
—
Eliminate the overload/short-
circuit
IO-Link Communication
Module
EP-5324
Statue LED
Red:
—
Error in supply voltage at input current
path
—
Communication error on the system bus
—
Configuration error
—
There is a new diagnostic message
—
Check that the module has been
snapped into place properly
—
Check the supply voltage
—
Check the Configuration
Channel LED
1.1 ... 4.1
Yellow: