How To Fix EG477 - Enter voltage

SAP Error Message - Details

• Message type: E = Error

• Message class: EG - IS-U device management

• Message number: 477

• Message text: Enter voltage

What causes this issue?

You have not specified a voltage.

System Response

You are required to enter voltage in the case of a:
voltage transformer/current transformer or
3-phase current transformer group.

How to fix this error?

Enter a voltage or change the type of transformer, if necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EG477 - Enter voltage ?

  The SAP error message EG477 "Enter voltage" typically occurs in the context of SAP's Plant Maintenance (PM) or similar modules where electrical parameters are required for certain operations, such as maintenance orders or equipment data.
  Cause:
  The error message EG477 is triggered when a user attempts to save or process a transaction that requires the entry of voltage data, but the voltage field is left blank or not filled in correctly. This can happen in various scenarios, such as:
  
  Creating or updating equipment records.
  Entering maintenance orders that involve electrical components.
  Performing inspections or maintenance tasks that require voltage specifications.
  
  Solution:
  To resolve the EG477 error, follow these steps:
  
  
  Identify the Context: Determine where the error is occurring (e.g., equipment master data, maintenance order, etc.).
  
  
  Locate the Voltage Field: Navigate to the relevant screen where the error is displayed. Look for the field labeled "Voltage" or similar.
  
  
  Enter the Required Data: Input the appropriate voltage value in the designated field. Ensure that the value is in the correct format (e.g., numeric, with or without units).
  
  
  Check for Mandatory Fields: Ensure that all mandatory fields related to the equipment or maintenance order are filled out correctly, as sometimes other missing information can also trigger validation errors.
  
  
  Save the Changes: After entering the voltage, attempt to save the transaction again.
  
  
  Consult Documentation: If you are unsure about the required voltage values, refer to the equipment specifications or consult with a technical expert.
  
  
  Related Information:
  
  User Roles and Permissions: Ensure that the user has the necessary permissions to edit the relevant fields in SAP.
  Field Configuration: Check if the voltage field is configured correctly in the system settings. Sometimes, field attributes can be modified by system administrators.
  SAP Notes: Look for any SAP Notes related to this error message for additional guidance or patches that may address the issue.
  Training and Documentation: If users frequently encounter this error, consider providing training or documentation on how to properly enter data in the relevant SAP transactions.
  
  If the problem persists after following these steps, it may be necessary to consult with your SAP support team or technical team for further investigation.