9 LED indicators and troubleshooting
44
2484950000/00/03.2016
Manual UR67-PROIFBUS
Module
LED
Status
Recommended action
2426390000, 2426380000, 2426400000
BF
Red
: Fieldbus error, no communication
Off
: No error
–
Red
: Check the fieldbus cable and the PLC configuration,
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