User Documentation

9 LED indicators and troubleshooting
442484950000/00/03.2016 Manual UR67-PROIFBUS
Module LED Status Recommended action
2426390000, 2426380000, 2426400000
BF Red: Fieldbus error, no communication
Off: No error
– Red: Check the eldbus cable and the PLC conguration,
check whether the GSD file is up-to-date
DIA Red: Collection error for peripheral errors
Off: No error message present
– Red: Check, on which channel the connected device
causes an error. At least one channel LED must also
shine.
US Green: Sensor-/system supply OK
Red: Sensor-/system supply < 18V or > 30V
Off: No sensor-/system supply
– Red: Check the power supply of the module
UL Green: Actuator supply OK
Red: Actuator supply < 18V or > 30V
Off: No actuator supply
– Red: Check the power supply of the module
ACT Yellow: Data exchange with PROFIBUS master
Off: No connection
– Off: Check the fieldbus connection
1 … 8 A
Status Channel
Yellow: Channel A "On"
Red: Peripheral error (actuator low voltage, sensor or
actuator short circuit)
Off: Not connected, status „Off“, no error
– Red: Check the connected periphery for short circuit,
check the power supply of the peripheral device
1 … 8 B
Status Channel
Yellow: Channel B „On“
Red: Peripheral error (actuator low voltage, sensor or
actuator short circuit)
Off: Not connected, status „Off“, no error
– Red: Check the connected periphery for short circuit,
check the power supply of the peripheral device