Universal Robots ur3 - 5.3 Error Phenomena

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5.3 Error phenomena
5.3.1 ControlBox: NO CONTROLLER displayed in Initializing
ControlBox = NO
CONTROLLER displayed at
INITIALIZING screen
Defective Safety Control
Board
Replace Safety Control Board and verify problem
is solved
Replace Ethernet cable between motherboard
and Safety Control Board and verify problem is
solved
Replace motherboard and verify problem is solved
Defective motherboard
YES
YES
NO
NO
Defective Ethernet cable
YES