Westport WEST EPA 07 User Manual

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WEST USER

MANUAL

V4.4.1031

Westport 15L System

(EPA07, EPA10, EPA13, ADR80/02, ADR80/03)

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Summary of Contents for Westport WEST EPA 07

Page 1 WEST USER MANUAL V4.4.1031 Westport 15L System (EPA07, EPA10, EPA13, ADR80/02, ADR80/03)
Page 2 (This page is intentionally left blank)
Page 3 WEST User Manual Scope of Coverage The purpose of this manual is to provide a reference for all qualified Westport 15L System technicians and field service personnel. This manual contains information on the Westport Electronic Service Tool (WEST). WEST is a service tool to aid with diagnosing and repairing faults on the Westport 15L System.
Page 4 Westport 15L System West User Manual (This page is intentionally left blank) WEST User Manual...
Page 5 West User Manual Contact Information Westport Power Inc. continuously strives to improve the quality of technical literature supplied by Westport Power Inc. for Westport Fuel Systems Inc. If you have found any inaccuracies, have suggestions for improvement or have questions...
Page 6: Table Of Contents
Contents 1 Introduction 1.1 Overview ......1.1.1 v4.4.1031 Version Notes ....1.2 Minimum Computer Requirements .
Page 7 CONTENTS 4.2.2 Loading Secondary A2W Files ....24 4.2.3 Primary vs. Secondary A2W Files ... . 25 4.3 Exit WEST .
Page 8 CONTENTS 9 Service Menu 9.1 Fault Codes ......63 9.1.1 Fault Code Troubleshooting Guide ... 64 9.1.2 Fault Display .
Page 9 List of Figures 2.1 WEST setup wizard ..... . . 2.2 License agreement ......2.3 Installation settings .
Page 10 LIST OF FIGURES 5.1 Real-time menu ......27 5.2 EFS Real-time Data menu ....29 5.3 Real-time view update .
Page 11 LIST OF FIGURES 6.1 Flash Software SCAL ..... . . 58 7.1 Calibration menu ......59 7.2 Calibration Information Window .
Page 12 Automated No Load Trim Controller Area Network COMM Communication Electronic Control Unit Real-time Graph Engine Fuel System Fuel Level Transducer HPGS High Pressure Gas System Input/Output Liqueﬁed Natural Gas Operating System Personal Computer Real time Run On Diesel WEST Westport Electronic Service Tool...
Page 13: Introduction
The Westport Electronic Service Tool (WEST) allows users to communicate with the CM850 controllers on the EPA 07, EPA 10, ADR 80/02, and ADR 80/03 models of the Westport 15L System. WEST can be used to view and export fault codes, ﬂash the CM850 controllers, execute automated no-load trim (ANT), and monitor system operations.
Page 14: West Package
XP, or Windows 7. Windows 8 is not supported with this release. WEST Package The WEST package consists of the WEST software and a hardware communication cable. Please visit the Westport service website for ordering information: http://service.westporthd.com WEST User Manual...
Page 15: Getting Started With West
Chapter 2 Getting Started with WEST Introduction WEST communicates with the CM850 controllers used by the Westport 15L system. Both the software and hardware must be set up correctly to use WEST. Software Installation 2.2.1 Where to Get WEST WEST is available for purchase on the Westport Service website: http://service.westporthd.com...
Page 16: West Setup Wizard
2.2. SOFTWARE INSTALLATION Figure 2.1: WEST setup wizard e. Read the license agreement, and if you agree, click I Agree. Then click Next (Fig. 2.2). NOTE: WEST is registered to a speciﬁc user ID. f. In the setting screen (Fig. 2.3), leave the default settings as they are, and click Next.
Page 17: License Agreement
2.2. SOFTWARE INSTALLATION Figure 2.2: License agreement Figure 2.3: Installation settings WEST User Manual...
Page 18: Confirm Installation
2.2. SOFTWARE INSTALLATION g. Click Next in the Conﬁrm Installation screen (Fig. 2.4). Figure 2.4: Conﬁrm installation h. Wait for the installer to complete the installation of WEST. When the Installation Complete screen appears (Fig. 2.5), WEST has been installed successfully. Click Close. WEST User Manual...
Page 19: Installation Complete
2.2. SOFTWARE INSTALLATION Figure 2.5: Installation complete WEST User Manual...
Page 20: West Activation
Double click on the WEST desktop icon to launch WEST (Fig. 2.6). Figure 2.6: WEST icon b. The License and Activation window should open (Fig. 2.7). Figure 2.7: License and activation window c. Visit the Westport Service website at http://service.westporthd.com, and ﬁll out the WEST Request Form. WEST User Manual...
Page 21 2.2. SOFTWARE INSTALLATION d. Copy the serial number from the License and Activation window, and paste it into the appropriate ﬁeld on the form. (Fig. 2.7) e. WEST may be closed until the activation code is received. It may take up to two business days to receive the activation code. f.
Page 22: Update West
Update WEST WEST can be updated to the latest version by downloading the zip ﬁle from the Westport Service website at http://service.westporthd.com and re- installing WEST, see Section 2.2.2 - Installation Steps. There is no need to uninstall the previous version of WEST; the serial number and expiry date will remain unchanged.
Page 23 2.3. WEST HARDWARE SETUP b. Connect the serial end of the CANUSB dongle to the serial end of the service harness (Fig. 2.9) (b). Figure 2.9: WEST hardware overview c. Connect the USB plug (Fig. 2.9)(c) to the PC USB port . NOTE: Be sure to use the current version of the WEST hardware, incorporating the CANUSB dongle (Fig.
Page 24 2.3. WEST HARDWARE SETUP CAUTION Extended operation with altered system variables may reduce the life of system components. Limit troubleshooting time with variables altered. CAUTION Only have the WEST hardware connected while the vehicle is being serviced by trained personnel. CAUTION Never allow the service harness to be severed by the door or damaged in any way.
Page 25 2.3. WEST HARDWARE SETUP Figure 2.10: USB connection problem message WEST User Manual...
Page 26: Start Using West
2.4. START USING WEST Start Using WEST 2.4.1 Using WEST with a CM850 a. Launch WEST b. Once WEST has started, you must set the desired parameters in the Conﬁguration Selection and Communication SetUp window (Fig. 2.11) that appears when WEST starts. Figure 2.11: Conﬁguration and Communication SetUp c.
Page 27: West Detected Microsoft Sql Server Native Client Needs To Be Installed
2.4. START USING WEST Figure 2.12: Communications tab Figure 2.13: EFS or HPGS setting Figure 2.14: WEST detected Microsoft SQL Server Native Client needs to be installed WEST User Manual...
Page 28: Using West With Fuel Level Transducers
Using WEST with Fuel Level Transducers In addition to communicating with the engine controllers, WEST is used to calibrate the fuel level transducers (CANditioners). For instructions on calibrating a CANditioner, refer to Westport HD Service Work Instruction INS-10014508 Calibrating a ‘CANditioner’ Type Fuel Level Transducer.
Page 29: Navigating In West
Chapter 3 Navigating in WEST Introduction This section describes the various displays in WEST and the main functions accessible through the main window of WEST. Components The diagram (Fig. 3.1) highlights some of the main features of the WEST main window. Their functionality is brieﬂy discussed below. 1 File buttons Opens the Conﬁguration and Communication SetUp window, see Section 4.2 - Load Conﬁguration for details.
Page 30 3.2. COMPONENTS 5 RESET Button Resets the communication link between the ECU and WEST software when pressed. 6 Top Menu Allows access to the advanced functionality of WEST. These features will be explained in more detail in the following chapters. 7 Built-in Views Opens the built in real time data window for data monitoring.
Page 31: Side Buttons
3.3. SIDE BUTTONS Side Buttons These buttons allow the user to quickly access often-used features without having to go through the main menu (Fig. 3.2). Fault Codes Opens the fault code display window. see Section 9.1 - Fault Codes. Real-time Data Opens the real-time data window, which allows for real- time data monitoring.
Page 32: File Menu
Chapter 4 File Menu Introduction There are two general functions that can be selected under the File menu (Fig. 4.1). These functions are: Figure 4.1: File menu Load Conﬁguration Exit Load Conﬁguration The Load Conﬁguration (Fig. 4.2) menu allows WEST to connect to the speciﬁed controller and load A2W ﬁles if necessary.
Page 33: Load Configuration
4.2. LOAD CONFIGURATION the communication tab of the Load Conﬁguration. The A2W ﬁle must match the calibration name and revision already loaded on the controller, as well as the controller type (EFS/HPGS). Figure 4.2: Load conﬁguration TIP: If the controller software version is unknown, ﬁrst click Check Communication. When WEST has ﬁnished loading, the software version can be found in the Calibration menu, see Section 7 - Calibration Menu for details.
Page 34: Loading A2W Files
4.2. LOAD CONFIGURATION 4.2.1 Loading A2W Files A2W ﬁles are required only for custom conﬁgurations. a. When Load Conﬁguration is selected, the Conﬁguration and Communication SetUp window will appear (Fig. 4.4). Figure 4.4: Conﬁguration and communication settings b. Ensure the Built-In Conﬁguration check-box is unchecked (Fig. 4.5). c.
Page 35: Loading An A2W
4.2. LOAD CONFIGURATION Figure 4.5: Loading an A2W Figure 4.6: Selecting an A2W WEST User Manual...
Page 36: Loading Secondary A2W Files
4.2. LOAD CONFIGURATION 4.2.2 Loading Secondary A2W Files When to use Secondary A2W ﬁles: Open/view parameters only available from the secondary ﬁle. View fault codes from both controllers during one session. Useful in Real-time Data and Real-time Graph. To load a secondary A2W ﬁle, take the following steps: a.
Page 37: Primary Vs. Secondary A2W Files
4.2. LOAD CONFIGURATION 4.2.3 Primary vs. Secondary A2W Files When choosing Primary and Secondary A2W ﬁles, primary and secondary describes the functions and limitations WEST can perform on the controllers. For example, if an A2W ﬁle for a HPGS controller is used as the primary, WEST can perform functions listed in “Primary Capabilities”...
Page 38: Exit West
4.3. EXIT WEST Exit WEST Selecting Exit (Fig. 4.8) will shut down WEST. This will also disconnect the connection from the computer to the controllers. Figure 4.8: Exiting WEST WEST User Manual...
Page 39: Real-Time Views Menu
Chapter 5 Real-Time Views Menu Introduction There are several functions under the Real-Time Views menu (Fig. 5.1). They allow the user to monitor the system in operation and manually override parameters. Figure 5.1: Real-time menu...
Page 40: Efs And Hpgs Real-Time Data
5.2. EFS AND HPGS REAL-TIME DATA The list of functions are: EFS Real-time Data HPGS Real-time Data EFS Real-time Graph HPGS Real-time Graph Real-time Data Real-time Graph Data Log Graph View Build Real-time View from EFS Build Real-time View from HPGS Edit Real-time View NOTE: All changes made to the calibration or parameters take eﬀect immediately.
Page 41: Efs Real-Time Data Menu
5.2. EFS AND HPGS REAL-TIME DATA Figure 5.2: EFS Real-time Data menu c. When the Real-time Data window is initially displayed, the lower left hand side box labelled Start Update is checked (Fig. 5.3), indicating that the values displayed are real time. The value of the parameters will continue to update as long as the box is checked and the window is open.
Page 42: Efs And Hpgs Real-Time Graph
5.3. EFS AND HPGS REAL-TIME GRAPH windows will have their Start Update buttons greyed out, indicating that the values are no longer updating. When more than one window is open, the Windows toolbar (also known as windows title bar) must be clicked for active update. Clicking in the window itself is not suﬃcient to automatically trigger an update.
Page 43: Real-Time Data
5.4. REAL-TIME DATA Real-Time Data Displays selected parameter data in real-time tabular format for monitoring purposes. 5.4.1 Viewing Real Time Data The parameters that appear in a particular data view are selected via an XRV ﬁle. An XRV ﬁle can contain up to 66 parameters. a.
Page 44 5.4. REAL-TIME DATA Figure 5.6: File selection window Figure 5.7: Open XRV from ﬁle WEST User Manual...
Page 45 5.4. REAL-TIME DATA Figure 5.8: Real-time data window e. When the Real-time Data window is initially displayed, the lower left hand side box labelled Start Update is checked (Fig. 5.3), indicating that the values displayed are real time. The value of the parameters will continue to update as long as the box is checked and the window is open.
Page 46: Manually Modifying Parameters
5.4. REAL-TIME DATA button is checked while monitoring data. 5.4.2 Manually Modifying Parameters To perform manual overrides, the user must ﬁrst navigate to the Real-time Views menu and select either EFS Real-time Data or HPGS Real-time Data. From the choices that appear, select any of the available options (Fig.
Page 47 5.4. REAL-TIME DATA Figure 5.10: Manual Override Options Figure 5.11: Real-time View of a modiﬁable parameter WEST User Manual...
Page 48: Additional Features
5.4. REAL-TIME DATA e. The new values take eﬀect immediately. NOTE: After entering a new value and pressing enter, the displayed value may revert back to the original. This is because the changed value may cause system damage and the controller has rejected the modiﬁcation. Re-enter the desired value, or try a diﬀerent one.
Page 49: Real-Time View Additional Features
5.4. REAL-TIME DATA Figure 5.12: Real-time view additional features Figure 5.13: Real-time view additional features WEST User Manual...
Page 50: Automated No-Load Trim (Ant)
The resulting screen is shown in (Fig. 5.15) Figure 5.14: ANT menu item For instructions on how to use the ANT feature, refer to Westport Service Work Instruction INS-10020838 Executing Automated No-Load Trim (ANT), available on the Westport service website.
Page 51: Ant Screen
5.5. AUTOMATED NO-LOAD TRIM (ANT) Figure 5.15: ANT screen WEST User Manual...
Page 52: Real-Time Graph
5.6. REAL-TIME GRAPH Real-time Graph This function displays selected parameter data in real-time graphical format for monitoring purposes. Users can view both tabular and graphical data using this feature. The Real-time Graph logs data from the truck ECU’s. Data is displayed and stored on the user’s PC.
Page 53 5.6. REAL-TIME GRAPH Figure 5.16: Real-time Graph View menu Figure 5.17: Load real time graph from ﬁle WEST User Manual...
Page 54: Navigating The Real-Time Graph
5.6. REAL-TIME GRAPH 5.6.2 Navigating the Real-time Graph Once the real-time graph is started, the Real-time Graph window will open (Fig. 5.18). Figure 5.18: Navigating real-time graph 1 Menu Bar This menu bar allows for the setup and navigation of the graphs, see Section 5.6.3 - Real-time Graph Menu Functions.
Page 55: Real-Time Graph Menu Functions
5.6. REAL-TIME GRAPH 5.6.3 Real-time Graph Menu Functions The Real-time Graph menu functions are as follows (Fig. 5.19): Figure 5.19: Real-time Graph menu 1 Sampling Frequency This pull down menu allows users to control the desired sampling frequency (Hz). This variable can only be updated when the real-time graph is not collecting data.
Page 56: Customizing Graph Features
5.6. REAL-TIME GRAPH 4 Manual Flag The user can mark points of interest by clicking on the Manual Flag button. When the Manual Flag button is clicked, all data (except time) is brieﬂy set to -1. 5 Save Data Log Clicking on the Save Data Log button opens a dialog box where a ﬁlename can be entered and saved.
Page 57: Edit Axis
5.6. REAL-TIME GRAPH Figure 5.20: Change axis min and max Figure 5.21: Edit axis WEST User Manual...
Page 58: Data Logging With The Real-Time Graph
5.6. REAL-TIME GRAPH Figure 5.22: Change axis scale 5.6.5 Data Logging with the Real-time Graph Data can be viewed and logged at the same time via the Real-time Graph. NOTE: WEST has a slight delay when displaying the externally logged data.
Page 59 5.6. REAL-TIME GRAPH Figure 5.23: Change sampling frequency Figure 5.24: Save Data Log in Real-time Graph WEST User Manual...
Page 60 5.6. REAL-TIME GRAPH Figure 5.25: Saving Real-time Graph data e. To start data logging, or to start a new data log, check the Data Logging check-box. NOTE: All parameters logged in a single session can only be from one controller. WEST User Manual...
Page 61: Data Log Graph Viewer
5.7. DATA LOG GRAPH VIEWER Data Log Graph Viewer The Data Log Graph View function allows the user to view saved data logs. 5.7.1 Viewing saved data logs a. Select Data Log Graph View from the Real-time Views menu (Fig. 5.26). Figure 5.26: Data Log Graph View b.
Page 62: Data Log Graph View Functions
5.7. DATA LOG GRAPH VIEWER c. Select the parameters you wish to look at by ﬁltering the channels (Fig. 5.27). Figure 5.27: Channel Selection 5.7.2 Data Log Graph View Functions The Data Log Graph View functions are as follows (Fig. 5.28): Figure 5.28: Data Log Graph View menu 1 Axes Scroll Allows the user to pan the axes.
Page 63: Build Real-Time Views
5.8. BUILD REAL-TIME VIEWS 3 Zoom In / Out The user can zoom in and out of the graph by clicking either the Zoom In or Zoom Out button. 4 Zoom Box The user can zoom in on the graph by drawing a box using the Zoom Box tool.
Page 64: Build Real-Time View Menu
5.8. BUILD REAL-TIME VIEWS Figure 5.29: Build Real-time view menu Figure 5.30: Build views window WEST User Manual...
Page 65 5.8. BUILD REAL-TIME VIEWS Figure 5.31: Save selected parameters d. Enter a ﬁlename for the real-time view and click the Save button (Fig. 5.32). TIP: Create a new folder to store custom views to avoid overwriting existing views. Figure 5.32: Saving XRV ﬁle WEST User Manual...
Page 66: 5.9. Edit Real-Time Views
5.9. EDIT REAL-TIME VIEWS NOTE: The Build Real-time View from EFS option displays only the parameters that are available from the EFS controller. The Build Real-time View from HPGS displays only the parameters available from the HPGS controller. Edit Real-time Views Allows the editing of built in or user deﬁned real-time views (XRV).
Page 67 5.9. EDIT REAL-TIME VIEWS b. To open an existing view, click the Open button (Fig. 5.34). In the window that appears, select the XRV ﬁle to be opened. The parameters contained in the XRV will open in the Real-time Data Editor Window (Fig.
Page 68: Save Xrv
5.9. EDIT REAL-TIME VIEWS Figure 5.36: Parameter selection window Figure 5.37: Save XRV WEST User Manual...
Page 69 5.9. EDIT REAL-TIME VIEWS h. Exit the Real-Time Data Editor by clicking Close. NOTE: The Edit Real-time View option displays only the parameters that are available from the controller connected as the primary controller. WEST User Manual...
Page 70: Software Menu
Engine must be turned OFF and keyswitch must be ON when downloading an SCAL. Flashing a controller replaces the operating system, software, and calibration data. See Westport Service Work Instruction INS-10017429 Flashing Calibrations to Westport CM850 and Cummins ECM for details.
Page 71: Calibration Menu
Chapter 7 Calibration Menu Introduction The Calibration menu (Fig. 7.1) can be used to view the information about the version of software on the CM850 controllers. Figure 7.1: Calibration menu Calibration Information This displays the calibration information of the CM850 controllers. a.
Page 72: Calibration Information Window
7.2. CALIBRATION INFORMATION Figure 7.2: Calibration Information Window WEST User Manual...
Page 73: Introduction
Chapter 8 Tools Menu Introduction Under the Tools menu (Fig. 8.1), there are two functions: Figure 8.1: Tools menu a. License Information b. License Upgrade License Information and License Renewal 8.2.1 Description License Information and License Renewal allow users to view the WEST version and expiry date and update the license.
Page 74: License Information
License Renewal Clicking on License Renewal will allow a new activation code to be entered, updating the expiry date. To obtain a new activation code, use the WEST Request Form from the Westport Service website at http://service.westporthd.com WEST User Manual...
Page 75: Service Menu
Chapter 9 Service Menu There are three functions under the Service menu (Fig. 9.1). Figure 9.1: Service menu a. Fault Codes b. Clear Inactive Fault Codes c. Reset ROD Timer Fault Codes When accessing the Fault Codes option in the Service menu (Fig. 9.2), a screen containing fault code information opens.
Page 76: Fault Code Troubleshooting Guide
Fault Code Troubleshooting Guide By clicking the fault code number displayed in the fault code screen (Fig. 9.3), the user will be taken to the Westport HD Service Fault Code Reference Manual, which explains in detail the necessary steps to troubleshoot the selected fault code.
Page 77: Fault Display
9.1. FAULT CODES 9.1.2 Fault Display When accessing the Fault Codes option in the Service menu, a fault code display pane (Fig. 9.4) will be opened. NOTE: Only faults from connected controllers will be displayed Figure 9.4: Fault Code Display Pane 1 Status Indicates whether the fault code is active or inactive.
Page 78: Exporting Fault Codes
9.1. FAULT CODES Figure 9.5: No Fault Code message 4 Last Displays the engine hour at which the last fault was detected. 5 Clear Inactive Faults Inactive faults can be cleared using the Clear Inactive Faults button. Pressing the button clears faults in both the EFS and HPGS controllers.
Page 79: Export Fault Codes
9.1. FAULT CODES Figure 9.6: Export Fault Codes Figure 9.7: Start update fault code WEST User Manual...
Page 80: Clearing Fault Codes
9.1. FAULT CODES 9.1.5 Clearing Fault Codes To clear fault codes, click the Clear Inactive Faults button (Fig. 9.8). Figure 9.8: Clear inactive faults NOTE: Pressing Clear Inactive Faults button will clear codes in BOTH controllers, even if you are only connected to the primary! In the conﬁrmation box that appears, click Yes to clear fault codes in BOTH controllers (Fig.
Page 81: Reset Rod Timer
9.2. RESET ROD TIMER Reset ROD Timer Should the truck shut down and display fault code 3012, the fault code may be cleared using the Reset ROD Timer menu item under the service menu. (Fig. 9.11). a. Key oﬀ the truck. b.
Page 82: West Troubleshooting Guide
Whenever cable connectors have screws, latches, or other securing devices, ensure they are fastened and locked in place. Do not use any hardware not provided by Westport to connect the controllers to the computer. Refer to the user instructions included with the hardware package.
Page 83: Frequently Asked Questions
10.2. FREQUENTLY ASKED QUESTIONS Power management settings such as screen savers, sleep, hibernate, and turn oﬀ hard disk must be disabled so unattended data logging can function properly. All other applications running on the computer should be shut down when using WEST. 10.2 Frequently Asked Questions a.
Page 84: General Connection Problems
10.3. GENERAL CONNECTION PROBLEMS h. How can I tell what software version is installed on my truck? On the Conﬁguration and Communication Setup window, click Default. When WEST has ﬁnished loading, the software version can be found in Calibration Information under the Calibration menu, see Section 7 - Calibration Menu.
Page 85 10.3. GENERAL CONNECTION PROBLEMS Error: No CAN Communication, Please RESET Communication After correctly setting the conﬁguration selection (see Section 2.4.1 - Using WEST with a CM850) and clicking OK, the following error appears at the bottom of WEST: “No CAN Communication, Please RESET Communication!” a.
Page 86: Scal Download
10.4. SCAL DOWNLOAD 10.4 SCAL Download Basic SCAL Problems Most errors are caused by communication problems and can be corrected by the following steps: a. Check that all cables and connectors are secure and click RESET at the lower right hand corner of WEST b.
Page 87 10.4. SCAL DOWNLOAD Figure 10.4: SCAL wppAcknowledge Error SCAL: Tx S-record: [xxxxxxxx] failed! During SCAL download, the following error appears: “Tx S-record: [xxxxxxxx] failed!” (Fig. 10.5) Figure 10.5: SCAL S-record Fail a. Re-download SCAL. See section “Basic SCAL Problems” SCAL: No CAN Communication During SCAL download, the following error appears: “No CAN Communication, Please RESET Communication!”...
Page 88 10.4. SCAL DOWNLOAD During SCAL download: WEST freezes During SCAL download, WEST freezes. a. WEST should be shut down using the task manager by pressing the Ctrl, Alt, and Delete keys at the same time. b. In the screen that appears, click on “Task Manager”. c.
Page 89: Real-Time Graph
10.5. REAL-TIME GRAPH After SCAL Download: Problems with Real-time Graph After downloading the SCAL, keying oﬀ, and keying back on, this error occurs when using Real-time Graph. a. Key oﬀ for 1 minute and key back on. b. After keying back on, click RESET at the bottom right hand corner of WEST.
Page 90 10.5. REAL-TIME GRAPH During Data Logging: ECU acknowledge error During data logging, an error appears describing an ECU acknowledge error (Fig. 10.8). Figure 10.8: ECU Acknowledge Error a. Click OK to close the error message. The data can still be retrieved by clicking on the “Save Logging”...
Page 91: Real-Time Views
10.6. REAL-TIME VIEWS Real-time Graph: Log is Empty or Log is Not Created After clicking “Save Logging”, the data ﬁle was created, but the ﬁle is empty, or after clicking “Save Logging”, no data ﬁle was created on the hard drive. a.

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