Troubleshooting steps
Restart controller, check memory, verify system load
Robot Error Codes
ABB ERR77 – System fault
System fault
Details
ABB ERR77 error on IRB series indicates system fault. Controller fault, memory error, system overload. Restart controller, check memory, verify system load.
Error typesystem
MeaningSystem fault
Typical causesController fault, memory error, system overload
SolutionsRestart controller, check memory, verify system load
SeverityHigh
Catalog references
Where this appears
ABBERR77
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FAQ
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What does ERR77 mean on ABB robot?
ERR77 on ABB IRB series indicates system fault. Controller fault, memory error, system overload.
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