Endress Hauser Proline Prowirl 200 Fault Codes: Troubleshooting and Solutions


Endress+Hauser is a global provider of process automation and measurement instrumentation. The company is known for developing and manufacturing a wide range of instruments and solutions used in various industries to monitor and control processes. in particular, the company produces vortex flowmeters. Below we will talk in more detail about Endress Hauser Prowirl 200 fault codes.

Understanding Proline Prowirl 200 Error Codes

 prowirl 200 fault codes

The Endress Hauser Proline Prowirl 200 is a vortex flowmeter designed for accurate and reliable measurement of liquids, gases, and steam in various industrial applications. Like any other equipment for industrial purposes, some may fail. In such cases, you may see Endress+Hauser Prowirl 200 fault codes that you need to pay attention to. Thanks to them, you can diagnose the problem that has occurred with your equipment.

Common Fault Codes and Their Meanings

Let's look at common error codes and Prowirl 200 troubleshooting methods.

Local display is dark and no output signalsThe supply voltage does not match the value indicated on the nameplate.Apply the correct supply voltage.
Local display is dark and no output signalsThe polarity of the supply voltage is wrong.Correct the polarity.
Local display is dark and no output signalsNo contact between connecting cables and terminals.Check the connection of the cables and correct them if necessary.
Local display is dark and no output signalsTerminals are not plugged into the I/O electronics module correctly.Check terminals.
Local display is dark and no output signalsI/O electronics module is defective.Order spare parts.
Local display dark and output signals in error currentSensor short-circuit, electronics module short-circuitContact service.
The local display is dark, but the signal output is within the valid rangeThe display is set too bright or too dark.Set the display brighter by simultaneously pressing + E. Set the display darker by simultaneously pressing - E.
The local display is dark, but the signal output is within the valid rangeThe cable of the display module is not plugged in correctly.Insert the plug correctly into the main electronics module and display module.
The local display is dark, but the signal output is within the valid rangeThe display module is defective.Order spare parts.
The backlighting of the local display is redA diagnostic event with "Alarm" diagnostic behavior has occurred.Take remedial measures.
Text on local display appears in a foreign language and cannot be understood.Incorrect operating language is configured.
  1. Press - and + for 2 s ("home position").
  2. Press E.
  3. Set the desired language in the Display language parameter.
Message on local display: "Communication Error" "Check Electronics"Communication between the display module and the electronics is interrupted.Check the cable and the connector between the main electronics module and the display module. Order spare parts.
Signal output outside the valid rangeMain electronics module is defective.Order spare parts.
The device shows the correct value on the local display, but the signal output is incorrect, though in the valid rangeConfiguration error.Check and correct the parameter configuration.
The device measures incorrectly.Configuration error or device is operated outside the application.
  1. Check and correct parameter configuration.
  2. Observe limit values specified in the "Technical Data".
No write access to parametersHardware write protection enabled.Set the write protection switch on the main electronics module to the OFF position.
No write access to parametersThe current user role has limited access authorization.
  1. Check user role → 55.
  2. Enter the correct customer-specific access code.
No connection via PROFIBUS PAPROFIBUS PA cable was incorrectly terminated.Check the terminating resistor.
No connection via service interfaceIncorrect configuration of USB interface on PC or driver not installed correctly.Observe the documentation for the Commubox.

Preventative Measures for Avoiding Faults

Here are some common preventative measures that can be applied to avoid the Prowirl 200 fault codes appearance.

  • Regular calibrationendress hauser fault codes

Ensure that the flowmeter is calibrated regularly according to the manufacturer's recommendations. Regular calibration helps maintain accuracy and reliability.

  • Proper installation

Follow the manufacturer's installation guidelines to ensure correct positioning and proper connection of the flowmeter. Proper installation is crucial for accurate measurements.

  • Environmental conditions

Be mindful of the environmental conditions in which the flowmeter operates. Ensure that it is within specified temperature, pressure, and humidity ranges to prevent damage or inaccuracies.

  • Maintenance schedule

Establish a routine maintenance schedule to inspect and clean the flowmeter. This includes checking for any physical damage, ensuring seals are intact, and cleaning any debris that may affect performance.

  • Power supply stability

Ensure a stable power supply to the flowmeter. Voltage fluctuations or power outages can impact its performance.

  • Training for operators

Provide training for personnel who operate or maintain the flowmeter. Proper usage and understanding of the device can contribute to its longevity.

  • Monitoring and diagnostics

Implement a monitoring system to keep track of the flowmeter's performance. Some devices come with built-in diagnostics that can alert users to potential issues.

  • Software and firmware updates

Stay updated with the latest software and firmware releases provided by the manufacturer. These updates may include improvements, bug fixes, and additional features.

  • Spare parts availability

Keep spare parts on hand in case replacements are needed. This can reduce downtime in the event of a malfunction.

Expert Tips for Troubleshooting Prowirl 200 Issues

The Prowirl 200 is a widely used flowmeter in industrial settings, and like any equipment, it may encounter issues from time to time. Here are some expert tips for troubleshooting common faults in Prowirl 200.

prowirl 200

  • Check the power supply

Ensure that the power supply to the Prowirl 200 is stable and within the specified voltage range. Fluctuations in power can affect the performance of the device.

  • Verify sensor installation

Check if the sensor is installed correctly according to the manufacturer's guidelines. Incorrect installation can lead to inaccurate readings.

  • Inspect the flow profile

Verify that the flow profile at the installation point is within the recommended limits. Irregular flow profiles can impact the accuracy of the measurements.

  • Calibration check

Regularly calibrate the Prowirl 200 as per the recommended schedule. If there are sudden discrepancies in readings, recalibrate the device.

  • Examine wiring and connections

Inspect all wiring and connections to ensure they are secure and free from damage. Loose or damaged connections can cause signal disruptions.

  • Environmental conditions

Assess the environmental conditions, such as temperature and humidity. Extreme conditions can affect the performance of the flowmeter.

  • Update firmware

Check if there are any firmware updates available for the Prowirl 200. Manufacturers often release updates to improve functionality and address known issues.

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  • Zero flow check

Perform a zero-flow check to ensure the device reads zero when there is no flow. If not, there may be an issue with the zero-point calibration.

  • Diagnostic tools

Utilize any diagnostic tools provided by the manufacturer to identify specific issues. These tools may offer insights into sensor health and overall system status.

  • Consult manufacturer documentation

Refer to the Prowirl 200 user manual and technical documentation for specific troubleshooting steps recommended by the manufacturer.

  • Contact manufacturer support

If the Endress Hauser fault codes persist and you cannot identify the cause, it's advisable to contact the manufacturer's technical support for assistance. They can provide guidance and may recommend sending the device for further inspection.