Chapter 12 LED Indicators and Troubleshooting
GFK-2958E RSTi-EP User Manual 403
Red: Supply voltage for output
current path < 18 V DC
Red: Internal fuse defective
Replace the network adapter
EP-1214, EP-1218,
EP-1318, EP-125F,
EP-12F4, EP-1804
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
EP-2214, EP-2614,
EP-2634, EP-2218,
EP-225F
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
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
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
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
– Eliminate the overload/short-circuit