This manual provides comprehensive guidance for troubleshooting the Veeder-Root TLS-350 automatic tank gauge, commonly used at fuel stations. It offers detailed repair instructions intended for servicing the TLS-350 and TLS-350R Volumetric Line Leak Detector (VLLD).
The Veeder-Root TLS-350 is a sophisticated automatic tank gauge (ATG) widely deployed at fueling stations to ensure regulatory compliance and optimize fuel management. This system provides critical monitoring of fuel levels, temperature, and water presence within underground storage tanks (USTs). The TLS-350 is designed to detect leaks, manage inventory, and prevent environmental contamination.
Its core function is to provide real-time data and alerts, assisting operators in maintaining accurate fuel records and adhering to stringent environmental regulations. The system’s capabilities extend beyond simple monitoring, encompassing features like automatic leak detection, delivery reports, and comprehensive inventory analysis. This allows station managers to proactively address potential issues and optimize their fuel operations for maximum efficiency and profitability.
Understanding the TLS-350’s functionalities and troubleshooting procedures is essential for anyone involved in fuel management. This manual serves as a comprehensive guide, providing the necessary information to effectively diagnose and resolve common issues, ensuring the system operates reliably and accurately.
Accessing Technical Documentation
Effectively troubleshooting the Veeder-Root TLS-350 requires access to the correct technical documentation. Veeder-Root provides a range of resources, including operator’s manuals, setup guides, troubleshooting guides, and service codes. These documents contain essential information for understanding the system’s functions, diagnosing problems, and performing necessary repairs. These resources are crucial for anyone responsible for maintaining the TLS-350.
The primary source for technical documents is the Veeder-Root website. Navigate to the support section, where you can search for documents specific to the TLS-350 model. Ensure you have the correct model number and revision to access the most accurate information. Additionally, distributors of Veeder-Root products often provide access to technical documentation as part of their customer support services. Contact your local distributor for assistance in obtaining the required manuals.
Furthermore, online forums and communities dedicated to petroleum equipment may offer shared resources and insights. However, always verify the accuracy of information obtained from unofficial sources. Consulting the official Veeder-Root documentation is the best approach to ensuring reliable and effective troubleshooting.
Common Alarms and Their Meanings
The Veeder-Root TLS-350 uses alarms to alert operators to potential issues within the fuel storage and dispensing system. Understanding these alarms is crucial for prompt and effective troubleshooting. Each alarm corresponds to a specific condition, ranging from simple level warnings to critical leak detections. Ignoring alarms can lead to environmental damage, regulatory violations, and financial losses.
Common alarms include “High Product Level,” indicating the tank is nearing capacity; “Low Product Level,” signaling a potential run-out; “Water in Tank,” suggesting water intrusion; and “Leak Suspect,” which requires immediate investigation. “STP Failure” indicates a problem with the submersible turbine pump, while “Sensor Failure” means a sensor is malfunctioning and providing inaccurate readings. Each alarm triggers a specific code on the console display.
The TLS-350 manual provides a comprehensive list of alarms and their corresponding meanings. Consult the manual for detailed explanations and recommended actions. When an alarm occurs, record the alarm code, time, and any relevant tank or sensor data. This information will aid in diagnosing the problem and implementing the appropriate corrective measures, potentially requiring a call to Veeder-Root Technical Support.
Troubleshooting Sensor Issues
Sensor malfunctions are a common source of alarms and inaccurate readings on the Veeder-Root TLS-350. Troubleshooting sensor issues requires a systematic approach to identify the faulty sensor and the underlying cause of the problem. Begin by visually inspecting the sensor and its connections for any signs of damage, corrosion, or loose wiring. Ensure the sensor is properly seated in its designated location and that the wiring is securely connected to the console.
Use the TLS-350 console to check the sensor’s status and readings. Compare the sensor readings to expected values based on tank levels and other parameters. If a sensor is consistently reporting incorrect or erratic readings, it may be defective and require replacement. Before replacing a sensor, try recalibrating it using the console’s calibration function. This can sometimes correct minor inaccuracies.
If recalibration does not resolve the issue, use a multimeter to test the sensor’s wiring and connections. Check for continuity and resistance to identify any breaks or shorts in the wiring. If the wiring is intact, the sensor itself is likely the problem. When replacing a sensor, use a compatible replacement part and follow the manufacturer’s instructions for installation and configuration. After replacing the sensor, verify its functionality by comparing its readings to known tank levels.
Performing a Static Leak Test
A static leak test is a crucial procedure for verifying the integrity of underground storage tanks (USTs) connected to the Veeder-Root TLS-350. This test helps identify potential leaks that could lead to environmental contamination and product loss. Before initiating the test, ensure that all dispensing activities are suspended and that the tank has been undisturbed for a sufficient period to allow product levels to stabilize.
Access the static leak test function on the TLS-350 console, following the prompts to initiate the test sequence. The console will monitor product levels, temperature, and other parameters over a specified duration, typically two hours. It is imperative to avoid any activity that could disrupt the test, such as adding or removing product from the tank.
Upon completion of the test, the TLS-350 will generate a report indicating whether the tank passed or failed the leak test. A passing result suggests that the tank is likely leak-free, while a failing result indicates a potential leak. If the test fails, it is crucial to investigate the cause of the leak and take corrective actions, such as repairing or replacing the tank. Consult with Veeder-Root Technical Support or a qualified technician for assistance in interpreting test results and addressing leak issues.
Addressing Evaporation and Vacuum Problems
Evaporation and vacuum issues in underground storage tank (UST) systems can significantly impact the accuracy of inventory readings and potentially lead to fuel loss. The Veeder-Root TLS-350 can help detect and monitor these problems, allowing for timely intervention. Excessive evaporation can occur due to faulty vapor recovery systems, loose fittings, or inadequate tank venting. Signs of evaporation issues include unexplained inventory discrepancies and increased vapor pressure within the tank.
Vacuum problems, on the other hand, can arise from restricted tank vents, malfunctioning pumps, or collapsed fill tubes. A vacuum condition can hinder fuel delivery and cause damage to the tank. The TLS-350 can detect vacuum issues by monitoring pressure levels within the tank and triggering alarms when deviations occur.
To address evaporation and vacuum problems, begin by inspecting the tank’s venting system for obstructions or damage. Ensure that all fittings are tight and that the vapor recovery system is functioning correctly. If the problem persists, consult with a qualified technician to diagnose and repair any underlying issues. Regularly monitoring the TLS-350’s alarm logs and inventory reports can help identify and address these problems promptly, minimizing fuel loss and ensuring regulatory compliance.
Hardware Troubleshooting
When experiencing issues with your Veeder-Root TLS-350 system, a systematic approach to hardware troubleshooting is essential. Begin by visually inspecting all physical connections, ensuring that cables are securely connected to both the console and the sensors. Check for any signs of damage, such as frayed wires or corroded connectors. Verify the power supply to the console is stable and within the specified voltage range.
If the console is unresponsive, try restarting it. If the issue persists, consult the TLS-3XX Series Consoles Troubleshooting Guide (576013-838) for detailed diagnostic procedures. Use a multimeter to test the continuity of cables and the voltage levels at various points within the system. If a specific sensor is malfunctioning, inspect the sensor itself for physical damage or debris.
Refer to the relevant technical documentation for the TLS-350 to identify the correct voltage and resistance values for each component. If a component is found to be faulty, replace it with a genuine Veeder-Root part. Always disconnect the power supply before performing any hardware repairs or replacements. If you are unsure about any aspect of the troubleshooting process, contact Veeder-Root Technical Support for assistance.
Software and Programming Troubleshooting
Software and programming issues within the Veeder-Root TLS-350 system can manifest in various ways, including incorrect readings, communication errors, or the inability to access certain features. Begin troubleshooting by ensuring that the console’s software is up-to-date. Check for available updates on the Veeder-Root website or through the InSite360 fuel management software, if applicable.
If you encounter communication errors, verify that the console is properly configured to communicate with all connected devices, such as probes and sensors. Check the communication settings, including baud rate, parity, and data bits. If you are experiencing issues with specific programming parameters, consult the TLS-350 operator’s manual for detailed instructions on how to modify these settings.
For more complex software issues, consider restoring the console to its factory default settings. This can resolve conflicts or corruption within the system software. Be sure to back up any important data before performing a factory reset. If the problem persists after these steps, contact Veeder-Root Technical Support for further assistance. They can provide guidance on advanced troubleshooting techniques or recommend a software upgrade.
Contacting Veeder-Root Technical Support
When troubleshooting the Veeder-Root TLS-350 system, there may be instances where you require assistance from Veeder-Root’s technical support team. Before contacting support, gather as much information as possible about the issue you are experiencing. This includes the console model, software version, any error messages displayed, and the steps you have already taken to troubleshoot the problem.
Veeder-Root Technical Support can be reached at 1-800-323-1799. When you call, be prepared to provide the technician with a clear and concise description of the issue. They may ask you to perform certain diagnostic tests or provide them with specific data from the console. Follow their instructions carefully and provide them with accurate information.
In addition to phone support, Veeder-Root may offer online resources such as a knowledge base or FAQs. These resources can often provide answers to common questions and troubleshooting tips. If you are unable to resolve the issue on your own, contacting Veeder-Root Technical Support is the best course of action.
Replacing Console Components (TLS-3XX Series)
This section provides general instructions for replacing components within the TLS-3XX series consoles, including the TLS-350. Always disconnect power before servicing or replacing internal parts. Refer to specific component replacement procedures within the official Veeder-Root documentation, as improper handling can damage equipment or create safety hazards.
Commonly replaced components include the display screen, keypad, circuit boards, and power supply. Ensure replacement parts are genuine Veeder-Root components to guarantee compatibility and proper functionality. Document all steps taken during the replacement process, and double-check all connections before restoring power to the console.
Exercise caution when handling electronic components to avoid electrostatic discharge (ESD) damage. Use appropriate ESD protection measures, such as wearing an anti-static wrist strap and working on an anti-static mat. After replacing a component, thoroughly test the console to verify proper operation. Consult the TLS-3XX series troubleshooting guide for additional assistance.
Understanding Volumetric Line Leak Detection (VLLD)
Volumetric Line Leak Detection (VLLD) is a critical function of the Veeder-Root TLS-350, designed to detect leaks in underground fuel lines at fueling stations. VLLD systems continuously monitor the flow of fuel through the lines and compare it to the amount dispensed. This sophisticated technology helps to identify even small leaks, preventing environmental contamination and financial losses.
The TLS-350’s VLLD system utilizes precise sensors and algorithms to analyze pressure and flow data. Regular VLLD tests are essential to ensure the system’s accuracy and compliance with environmental regulations. Understanding the principles behind VLLD and the system’s operational parameters is crucial for effective troubleshooting.
When troubleshooting VLLD issues, consider factors such as line pressure, flow rates, and the presence of air or water in the system. Calibration of the VLLD system is also essential for optimal performance. Consult the Veeder-Root TLS-350 documentation for detailed information on VLLD configuration, testing, and troubleshooting procedures.