Kernel overload

What does 64E1 mean?

An operating system error in the ACS880 drive indicating that the drive's kernel (core operating system) is overloaded. This points to a critical internal software or resource management issue. This fault cannot be reset.

• Internal operating system malfunction or bug causing excessive resource consumption.
• Excessive background processes or demanding application logic straining kernel resources.
• A critical software error leading to resource exhaustion within the kernel.
• Hardware degradation affecting the CPU or memory components that support the kernel.

Click steps to track your progress.

1. 1

   Note that this fault cannot be reset directly; a power cycle may temporarily clear it but indicates a deeper issue.

2. 2

   Check for any recent parameter changes or application program modifications that might increase system load or complexity.

3. 3

   Record all event log data, including auxiliary codes, and the exact time of occurrence.

4. 4

   Contact ABB technical support immediately with all collected diagnostic information, as this indicates a severe internal operating system error requiring expert intervention.