EL
ErrorLib
Brands
||
  1. Home
  2. Mitsubishi Electric
  3. MELSEC-Q/L Common Instruction
  4. 4110
About·Privacy·Terms

ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

4110

SP.CONTSW Instruction Invalid Value

Mitsubishi Electric · MELSEC-Q/L Common Instruction

What does 4110 mean?

This error indicates that the value specified at parameter (S) for the SP.CONTSW instruction is 0. This is an invalid input parameter for the system switching command, which prevents the instruction from executing correctly and thus blocks any attempted system switching operation.

Common Causes

  • The value specified at (S) for the SP.CONTSW instruction is 0.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the value specified at (S) for the SP.CONTSW instruction in the program is a non-zero value.

Browse all codes in this manual (11)
Verified technical data. Last updated: April 2026

Related Faults

1103Index Modification Writes to System Device2400File Set Error (Boot Setting)2410Invalid Drive or File Name
Source: Mitsubishi Electric MELSEC-Q/L Common Instruction
Open Manual (Page 891)Search more codes in this manual