Download ServiceManual UR5 en 3.0

Communication failure with
a joint or the tool connector
Check log history for error messages and consult
the section Error Codes for detailed explanation
Go to LOW LEVEL CONTROL in EXPERT MODE
(consult chapter 4.2 for how to access EXPERT
MODE)
Go to tab POWER ON/OFF and press TURN
POWER ON. Does state of tool switch from
BROKEN COMM. ERROR to READY?
NO
Unmount tool and check
green comm. connector is
fully inserted in pcb
YES
YES
Does state of tool switch to
READY?
NO
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Replace tool
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Servicemanual_UR5_en_rev3.0.2