ABB IRC5 Operating Manual page 147

20481, SC arg OVR active
Description
Override Operation (OVR) active on Safety Controller (SC) arg.
SafeMove will stop the robot after approximately 20 minutes
with OVR active.
Speed is limited to 250 mm/s or 18 degrees/s.
Recommended actions
Deactivate signal connected to OVR input.
20482, SC arg OVR time out
Description
Override Operation (OVR) has been active too long time on
Safety Controller (SC) arg.
Recommended actions
Restart robot controller. Toggle signal connected to OVR input.
Activate Confirm stop by pressing Motors On push button. Jog
robot back into working area. Deactivate signal connected to
OVR input.
20483, SC arg CBC soon required
Description
Cyclic Brake Check (CBC) required in less than arg hours.
Recommended actions
Perform a brake check before the time limit expires.
20484, SC arg CBC needs to be done
Description
Cyclic Brake Check (CBC) time limit expired in Safety Controller
(SC) or last brake check failed.
Recommended actions
Perform a brake check.
20485, SC arg Too low brake torque
Description
Too low brake torque in Safety Controller (SC) on mechanical
unit arg axis arg.
Probable causes
Axis has not been tested. Worn out brake(s).
Recommended actions
Check that the failing axis is activated. If failing axis is activated
replace brake(s) as soon as possible.
Operating manual - Troubleshooting IRC5
3HAC020738-001 Revision: AA
20486, SC arg CBC interrupted or incorrect
Description
Safety Controller (SC) has detected that the last Cyclic Brake
Check (CBC) on mechanical unit arg was interrupted or
incorrect.
Recommended actions
Check previous event messages. Perform a new brake check
only if needed, typically if event message 20485 also has been
displayed.
20487, SC arg Unsynchronized speed exceeded
Description
Exceeded axis speed when Safety Controller (SC) arg was
unsynchronized.
Recommended actions
Jog mechanical unit to synch position with low axis speed.
Reduce speed to 250 mm/s or 18 degrees/s.
20488, SC arg Unsynchronized time limit expired
Description
Available time to move the robot when unsynchronized has
expired for Safety Controller (SC) arg.
Recommended actions
Do a Confirm stop by pressing the Motors ON push button or
activate system input. Synchronize SC arg.
20489, SC arg has been disabled
Description
Safety Controller (SC) arg has been disabled and no supervision
functions are active.
Probable causes
Either a system reset has been performed or it's the first startup
of SC.
Recommended actions
Download a configuration to SC arg.
20490, SC arg OVR Speed exceeded
Description
Override (OVR) Speed limit exceeded on mechanical unit arg.
Probable causes
If Override (OVR) is active, then OVR speed limitations will be
active.
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5 Troubleshooting by event log
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