All rights reserved  60  Servicemanual_UR3_en_rev3.1.2 
 
3.2.7 Replacement of current distributor 
 
Take care of ESD handling 3.2.1 Handling ESD-sensitive parts 
How to replace current distributor in Controller box 
Note: use the same procedure for power down and removing the aluminum cover  
and cables for teach pendant as in chapter 3.2.4 Replacement of teach pendant 
 
1.  Current distributor is placed on top of rack. 
 
2.  Before dismounting the current distributor, mark and disconnect the cables from the circuit board. 
 
3.  Replace current distributor with new one. 
 
4.  Reconnect the wires for the current distributor. 
 
5.  Re-install Controller module in reverse order and connect the 2 wires for the fan and cables for the 
teach pendant. 
 
6.  Carefully put back the grey aluminum cover, make sure to mount it correct and fix it with the screws. 
 
7.  Connect power and verify that teach pendant works properly.