MINOR ERROR AT END-OF-SCAN DETECTED

What does 0020 mean?

A minor fault bit (any of bits 0-7) in status file S:5 was set at the end of a program scan. This is a recoverable fault, indicating a minor issue that doesn't halt the controller immediately but should be addressed to prevent potential operational problems.

• Instruction logic encountered a minor error condition (e.g., math overflow, division by zero, invalid data conversion).
• Data manipulation or calculation resulted in a minor fault condition not severe enough for a major fault.
• Configuration error in specific instructions that trigger minor errors.

Click steps to track your progress.

1. 1

   Identify and correct the specific instruction logic causing the minor error in the program.

2. 2

   Enter the status file display in your programming software to view the specific minor fault bit(s) set in S:5 and clear them.

3. 3

   Enter the Run mode after the program correction and fault clearance.