ABB IRC5 Operating Manual page 411

Recommended actions
Check the operating mode selector and its cabling to the safety
system.
90245, Run Control status conflict, DRV2
Description
Status conflict between run control and motor contactors for
drive system 2.
Consequences
The system goes to status SYS HALT.
Probable causes
A failure of the motor contactors or the supply to these.
Recommended actions
Check cables and connections. Restart the controller.
90246, Run Control status conflict, DRV3
Description
Status conflict between run control and motor contactors for
drive system 3.
Consequences
The system goes to status SYS HALT.
Probable causes
A failure of the motor contactors or the supply to these.
Recommended actions
Check cables and connections. Restart the controller.
90247, Run Control status conflict, DRV4
Description
Status conflict between run control and motor contactors for
drive system 4.
Consequences
The system goes to status SYS HALT.
Probable causes
A failure of the motor contactors or the supply to these.
Recommended actions
Check cables and connections. Restart the controller.
90248, Motor Contactor conflict, DRV2
Description
Only one of the two motor contactors for drive system 2 has
acknowledged the activation order.
Consequences
The system goes to status SYS HALT.
Operating manual - Troubleshooting IRC5
3HAC020738-001 Revision: AA
Probable causes
A failure of the motor contactor auxiliary contacts or the supply
to these.
Recommended actions
Check cables and connections. Check the function of the
auxiliary contacts.
90249, Motor Contactor conflict, DRV3
Description
Only one of the two motor contactors for drive system 3 has
acknowledged the activation order.
Consequences
The system goes to status SYS HALT.
Probable causes
A failure of the motor contactor auxiliary contacts or the supply
to these.
Recommended actions
Check cables and connections. Check the function of the
auxiliary contacts.
90250, Motor Contactor conflict, DRV4
Description
Only one of the two motor contactors for drive system 4 has
acknowledged the activation order.
Consequences
The system goes to status SYS HALT.
Probable causes
A failure of the motor contactor auxiliary contacts or the supply
to these.
Recommended actions
Check cables and connections. Check the function of the
auxiliary contacts.
90252, Motor temperature high, DRV1
Description
Over temperature in manipulator motor. Make sure to let the
motor cool down before ordering Motors On again.
Recommended actions
Wait until the overheated motor has cooled down before
ordering Motors On again. If optional air filter is used, check if
it is clogged and has to be exchanged.
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5 Troubleshooting by event log
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