How To Fix EN670 - Measured pressure of pressure regulator &1 has changed

SAP Error Message - Details

• Message type: E = Error

• Message class: EN - IS-U installation/installation structure

• Message number: 670

• Message text: Measured pressure of pressure regulator &1 has changed

What causes this issue?

In the period from &V2& to &V3&, the measured pressure of the pressure
regulator &V1& changed. The pressure regulator &V1& was either modified
or replaced with another pressure regulator.

System Response

The pressure regulator cannot be used as a control device.

How to fix this error?

Choose a pressure regulator for which the measured pressure is constant
in the period from &V2& to &V3&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EN670 - Measured pressure of pressure regulator &1 has changed ?

  The SAP error message EN670, which states "Measured pressure of pressure regulator &1 has changed," typically relates to issues in the context of process control or measurement in SAP's Plant Maintenance (PM) or Production Planning (PP) modules. This error indicates that the measured pressure from a pressure regulator has deviated from expected values, which can affect operations and processes.
  Cause:
  
  Sensor Malfunction: The pressure sensor may be faulty or malfunctioning, leading to incorrect readings.
  Calibration Issues: The pressure regulator may not be properly calibrated, resulting in discrepancies between the actual and measured pressure.
  Process Changes: Changes in the process or system conditions (e.g., temperature, flow rate) can affect the pressure readings.
  Equipment Failure: There may be a failure in the pressure regulator or associated equipment, causing abnormal pressure readings.
  Data Entry Errors: Incorrect data entry or configuration in the SAP system can lead to this error.
  
  Solution:
  
  Check Sensor Functionality: Inspect the pressure sensor for any signs of damage or malfunction. Replace or repair as necessary.
  Calibration: Ensure that the pressure regulator is properly calibrated according to manufacturer specifications. Perform recalibration if needed.
  Review Process Conditions: Analyze the current process conditions to identify any changes that may have affected the pressure readings.
  Inspect Equipment: Conduct a thorough inspection of the pressure regulator and related equipment for any signs of wear or failure.
  Data Verification: Verify the data entered into the SAP system for accuracy. Correct any discrepancies found.
  Consult Documentation: Refer to the equipment manuals and SAP documentation for troubleshooting steps specific to the pressure regulator in question.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review the technical documentation for the pressure regulator and associated systems to understand normal operating parameters.
  Training: Ensure that personnel are trained in the operation and maintenance of pressure regulators and the SAP system to prevent future occurrences.
  Monitoring: Implement monitoring solutions to track pressure readings and alert personnel to deviations in real-time.
  
  If the issue persists after following these steps, it may be necessary to escalate the problem to a technical support team or a specialist familiar with the specific equipment and SAP configuration in use.