Product Description 
 
 
 
Status-LEDs 
Description of the Status-
LEDs 
 
 
 
 
The Status-LEDs (2) are 
located near the power 
supply connector (X101): 
 
 
 
 
 
 
1  PWR (Power):  green 
green blinking 
Busy 
Standby 
2  TC (TwinCAT):  red 
green 
blue 
Stop Mode 
Run Mode 
Configuration  Mode 
3  IDE/ HDD:  red  Access to a memory 
device 
4  FAN:  green 
red 
Fans running 
Fan Error 
5  USR (User):    Programmable 
6  FB RUN (Fieldbus activ):  green 
red 
Activ 
Not activ 
7  FB Error (Fieldbus Error):  red  Error 
X101 
2 
 
 
Fan cartridge 
  For optimal cooling the Industrial PC is equipped with a fan cartridge with two 
fans. The fan cartridge can be exchanged. 
Replace the fans only with the identical type or an alternative type approved 
by Beckhoff. 
View from below 
 
 
2 
1 
 
Exchanging the fan 
cartridge 
For exchanging the fan cartridge (1), first solve the knurled screw (2). The 
cartridge can then be folded down and taken out. 
 
C6930  9