How To Fix EG491 - Check minimum primary voltage and maximum secondary voltage

EG491 - Overview

• Message type: E = Error

• Message class: EG - IS-U device management

• Message number: 491

• Message text: Check minimum primary voltage and maximum secondary voltage

What causes this issue?

The minimum primary current is lower than the maximum secondary
current.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Ensure that the minimum primary current is greater than the maximum
secondary current.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EG491 - Check minimum primary voltage and maximum secondary voltage ?

  The SAP error message EG491, which states "Check minimum primary voltage and maximum secondary voltage," typically relates to issues in the configuration of electrical equipment or systems within the SAP system, particularly in the context of energy management or electrical engineering modules.
  
  Cause:
  
  
  Voltage 
  Configuration Issues: The error often arises when the primary and secondary voltage settings for a piece of equipment (like transformers or electrical devices) are not correctly configured. This could mean that the primary voltage is set below the minimum required level or the secondary voltage exceeds the maximum allowable level.
  
  
  Data Entry Errors: Incorrect data entry during the setup of equipment or during maintenance activities can lead to this error. 
  
  
  Incompatibility: The equipment being used may not be compatible with the specified voltage settings, leading to discrepancies.
  
  
  System Updates or Changes: Changes in system configurations or updates that affect voltage parameters can also trigger this error.
  
  
  
  Solution:
  
  
  Check Configuration Settings: Review the