turck BL20-PG-EN-V3 - LED Description BL67

33
V01.0| 2016/04
Programmable Gateways BLxx-PG-EN-V3
3.9.2 LED description BL67
LED GREEN RED Meaning Remedy
IO
OFF OFF No power supply of the CPU. – Check the system power supply at the gateway.
ON OFF Communication running.
The modules configured corre-
spond to the modules in the sta-
tion.
blinking, 
1 Hz
OFF Station is in the Force Mode of the
I/O-ASSISTANT.
– Deactivate the Force Mode of the I/O-ASSISTANT.
OFF ON CPU not ready for operation, 
possible causes:
too many modules at the gateway
short-circuit in connected module
gateway hardware error.
– Check the system power supply at the gateway
and the cabling.
– Unmount excessively mounted modules.
– Replace the gateway, if necessary.
OFF blinking, 
1 Hz
Non adaptable changes in the con-
figuration of the module bus
nodes.
– Compare the configured station and the current
configuration.
– Check the physical BL67-station for defective or
incorrectly plugged electronic modules.
OFF blinking, 
4 Hz
no communication
via the module bus.
– At least one module has to be plugged and has to
be able to communicate with the gateway.
blinking, alternating The current and configured mod-
ule list do not match but the data
exchange proceeds as normal.
– Check the physical station for pulled or new but
not planned modules.
– Check the system power supply at the gateway.
OFF blinking 
double 
1 Hz
Device internal communication
disturbed
LED GREEN RED Meaning Remedy
GW
OFF OFF No power supply of the CPU. – Check the system power supply at the gateway.
ON OFF Firmware active, gateway ready
OFF blinking Wink-command received
– Deactivate an active WINK-command
LED GREEN RED Meaning Remedy
RUN
OFF OFF No power supply of the CPU. Check the system power supply at the gateway.
ON OFF PLC program running -
blinking OFF Firmware updated running see Firmware update
OFF ON PLC program stopped
OFF blinking No PLC program loaded
OFF blinking, 
1 Hz
F_Reset is in progress see page 23
LED GREEN RED Meaning Remedy
V
I
/V
O
OFF OFF Supply voltage too low – Check the system power supply at the
gateway.
ON OFF V
I
and V
O
within the nominal range
blinking, 1
Hz
OFF Undervoltage V
I
; system running. – Check the system power supply at the
gateway.
blinking, 4
Hz
OFF Undervoltage V
O
; system running.
ON
(orange)
ON Sensor supply current (I
SENS
) too high
LED GREEN RED Meaning
APPL
This LED is controlled by the CODESYS program and can be freely programmed by the user.