Dickey-John GAC 2500 UGMA Operator's Manual
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Dickey-John GAC 2500 UGMA Operator's Manual

Grain analysis computer
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Summary of Contents for Dickey-John GAC 2500 UGMA

  • Page 1 2500 GRAIN ® ANALYSIS COMPUTER MODEL UGMA...

  • Page 2: Table Of Contents

    OPERATOR’S MANUAL Safety Notices ..................... 1 Disclaimer ......................... 1 Introduction ......................3 Accessories ........................3 Unit Overview ........................3 Features ..........................4 Specifications ........................4 Declaration of Conformity ....................4 External Communication Connections ................5 Printer ..........................6 Quick Start Guide ....................7 Step 1: Unlock Shipping Brackets ....................
  • Page 3 OPERATOR’S MANUAL Setup ......................... 23 Product ........................... 23 Edit Existing Product ........................23 Edit Product ............................ 25 Create Product ..........................26 Delete Product ..........................27 Load New Product ......................28 Administrative Settings ....................30 To Change a Known User Name/Password ................... 30 System Setup .........................
  • Page 4 OPERATOR’S MANUAL Product Calibrations ..................73 Diagnostics ......................75 Maintenance ...................... 77 External Cleaning ......................78 Internal Cleaning ......................78 Daily Clean Method ........................78 Extensive Cleaning Method ......................80 Cleaning the Temperature Sensor Probe ..................83 Troubleshooting ....................89 Error Messages .......................
  • Page 5 OPERATOR’S MANUAL GAC® 2500 Model (UGMA) 11001-1505H-201612 Rev B...

  • Page 6: Safety Notices

    DISCLAIMER DICKEY-john reserves the right to make engineering refinements or procedural changes that may not be reflected in this manual. Material included in this manual is for informational purposes and is subject to change without notice.
  • Page 7 We rigorously test and calibrate each instrument before it leaves the factory. Use of the instrument in the field, however, is subject to environmental and operating conditions beyond our control. DICKEY-john disclaims all liability for damages resulting from environmental and...

  • Page 8: Introduction

    OPERATOR’S MANUAL INTRODUCTION ® The DICKEY-john Grain Analysis Computer GAC 2500-UGMA quickly tests grain and automatically calculates moisture content, temperature, and test weight (bulk density) of the sample. The unit prompts for sample loading, tests the sample, and displays the results.

  • Page 9: Features

    OPERATOR’S MANUAL FEATURES • Color touch screen display guides users through testing and setup • Easy-to-use user interface • Fast, accurate grain analysis • One core calibration for all grains • Alpha/numeric sample identification with the ability to add an optional extended keyboard or bar code reader via USB •...

  • Page 10: External Communication Connections

    OPERATOR’S MANUAL EMC conformity to EN 61326-1:2003 (Electrical Equipment for Measurement, Control, and Laboratory use) EXTERNAL COMMUNICATION CONNECTIONS • 4 USB connections (2 in front, 2 in back) to connect a keyboard, NOTE: A USB memory device less mouse, printer or flash drive. Up to 3 devices can be active on USB. than or equal to 2-4 GB in size ®...

  • Page 11: Printer

    OPERATOR’S MANUAL PRINTER An optional printer that is RS232 compatible or a USB printer that supports ® Printer Control Language (PCL) can connect to the GAC 2500 to print test data results to a ticket. The ticket can be setup to include the facility name and address, product, date and time, sample ID, customer ID, grain calibration date, percent moisture, grain temperature, test weight, and errors.

  • Page 12: Quick Start Guide

    OPERATOR’S MANUAL QUICK START GUIDE This section details the basic steps of setup and analyzing using the GAC 2500-UGMA instrument. Refer to other sections of this manual for more detailed instructions. STEP 1: UNLOCK SHIPPING BRACKETS Two shipping brackets must be unlocked prior to setup and operation. 1.

  • Page 13: Step 2: Instrument Placement

    The Main Menu screen appears Power after all Startup screens have Instrument Information loaded. This is the “Home” menu through which all other menus are DICKEY-john Corporation DICKEY-john Corporation Current User: UserName accessed. 1. Press the Analyze button to begin product selection. Analyze...

  • Page 14: Step 5: Select A Product

    OPERATOR’S MANUAL STEP 5: SELECT A PRODUCT To Select a Grain for Testing: NOTE: If User ID is enabled, it must be Select Product Select Product entered before analysis can 1. A pre-defined list of 4 grains occur. CORN appear on the Select Product screen.
  • Page 15 OPERATOR’S MANUAL 7. The cell fills and the striker arm swings across the top of the test cell to wipe away excess grain. 8. During analysis, a testing status bar indicates progress. 9. An audible alarm indicates when test is complete and automatically advances to the Analysis Results screen.

  • Page 16: Physical Instrument Setup

    OPERATOR’S MANUAL PHYSICAL INSTRUMENT SETUP UNLOCK SHIPPING BRACKETS ® The GAC 2500 instrument contains (2) shipping brackets that secure the measurement cell during shipping. After unpacking the instrument, the shipping brackets must be unlocked and placed in the operating location before proceeding to setup and operation.
  • Page 17 OPERATOR’S MANUAL Figure 6 Loosen Hex Bolt from Bracket 6. Remove hex bolt and set aside. Figure 7 Remove Hex Bolt 7. Press down on the bracket to release. Figure 8 Press Down on Bracket PHYSICAL INSTRUMENT SETUP GAC® 2500 Model (UGMA) 11001-1505H-201612 Rev B...
  • Page 18 OPERATOR’S MANUAL 8. Slide bracket forward and align with operating location. Figure 9 Slide Bracket Forward 9. Insert hex bolt into operating location hole and securely tighten using the Allen wrench. Figure 10 Insert Hex Bolt and Tighten 10. Perform the same procedure to the other bracket. 11.

  • Page 19: Instrument Placement

    OPERATOR’S MANUAL INSTRUMENT PLACEMENT Place the instrument in a clean environment that is protected from rapid changes in ambient temperature and vibration. Avoid a hazardous (classified) location as defined in Article 500 of the NFPA Handbook of the National Electrical Code. •...

  • Page 20: Installation

    Unit Dimensions during transit. Save all packing TOP VIEW materials until inspection is 16.2” complete. If damage is found, file a claim with the carrier immediately and notify your DICKEY-john sales representative. 10.5” 18.6” 13.9” 16.9” SIDE VIEW CONNECTING AC POWER...

  • Page 21: Grain Drawer

    The size of the hole must be at least equal to the drawer dimension and located directly beneath the grain sample drawer. Figure 12 NOTE: Contact DICKEY-john Technical Support at 1-800-637-3302 for Flow Through Work Counter additional information on grain drawers.

  • Page 22: Navigation

    OPERATOR’S MANUAL NAVIGATION ® The user interacts with the GAC 2500 via the LCD touch screen display. Screen interaction by finger touch or using a dull, pointed object, such as a stylus or pen is recommended. Refer to Maintenance section for cleaning display. Do not use any sharp objects on the display.

  • Page 23: Power Off

    OPERATOR’S MANUAL POWER OFF Power Off button turns the system off from the touch screen display. The system must be turned on using the On/Off button located on the front panel but can be turned off from either the screen display or the On/Off button. INITIATE The Initiate button is used to analyze grain and has 3 states of operation: Green = proceed to begin test...

  • Page 24: Keypad

    OPERATOR’S MANUAL KEYPAD The Keypad icon appears on those screens that require text entry. Pressing the Keypad icon opens the virtual keyboard for typing text in English on the screen. The virtual keyboard is used when an external keyboard, mouse, or bar code scanner are not available. Figure 14 Keyboard GAC2500-UGMA...
  • Page 25 OPERATOR’S MANUAL NAVIGATION GAC® 2500 Model (UGMA) 11001-1505H-201612 Rev B...

  • Page 26: Password Restrictions

    OPERATOR’S MANUAL PASSWORD RESTRICTIONS Setting an Admin user name and password to restrict system settings to be controlled by an administrator are optional. The instrument is shipped with an Admin user name and password setting of “GUEST”. Keeping the Admin user name and password as “GUEST” retains the unit in open access mode allowing any user to enter System Settings and modify unit settings.
  • Page 27 OPERATOR’S MANUAL Figure 15 Password Screen GAC2500-UGMA Enter Admin Username Enter Admin Username Please Log In Enter Admin Username GUEST Enter Password GUEST GAC2500-UGMA Setup Setup Product Admin Settings System Diagnostics GAC2500-UGMA Enter New Password Enter Admin Username Enter Admin Username FRED New Password FRED PASSWORD...

  • Page 28: Setup

    OPERATOR’S MANUAL SETUP Setup establishes basic instrument operating parameters and allows customization of the user interface by: • Editing an existing product and loading new products (Product button) • Setting administrative levels (Admin Settings button) • Setting system parameters for external devices, language/locale preferences, time/date, sample result output, unit measurement, sample/customer ID’s, delete records, and printing formats (System button)
  • Page 29 OPERATOR’S MANUAL To Edit an Existing Product: 1. At the Product Setup screen, press the Edit Existing Product button. 2. At the View Product Setup screen an alphabetical product list appears. Press the Up or Down button to display additional products. Figure 17 Edit Existing Product Screens GAC2500-UGMA...

  • Page 30: Edit Product

    OPERATOR’S MANUAL EDIT PRODUCT A product’s moisture bias, test weight bias, moisture slope, and test weight slope can be changed at this screen. All NTEP calibrations are locked and cannot be modified. A product’s calibrations should only be changed by an authorized user.

  • Page 31: Create Product

    OPERATOR’S MANUAL CREATE PRODUCT A new product can be created by copying a similar product’s parameters. Creating a new product name and Issue ID prevents an existing product’s parameters from being overwritten. To Create a Product: NOTE: An external keyboard, bar code scanner, or mouse can be used 1.

  • Page 32: Delete Product

    OPERATOR’S MANUAL DELETE PRODUCT A product and its calibrations can be deleted so that it does not appear on the active user screens. A product and its history is stored in the unit’s database and can still be viewed on the Audit Trail screen after it has been deleted.

  • Page 33: Load New Product

    4. If a product calibration already exists on the instrument, accept the new calibration by pressing the Replace button or the Skip button to revert to the existing product. Figure 21 NOTE: Contact DICKEY-john Technical Support at 1-800-637-3302 for Load New Product Screen assistance with obtaining...
  • Page 34 NOTE: Product calibrations are unit. available for download at 2. At the Product Setup screen, press the Load New Products button to DICKEY-john’s website. www.dickey-john.com/products/ load all products from the selected directory of the memory device or Agriculture/Moisture Testing/ GAC2500/Get Support/ 3.

  • Page 35: Administrative Settings

    Enter Admin Username JOHN Admin Settings New Password JOHN PASSWORD Re- Enter Password System JOHN PASSWORD Diagnostics Contact DICKEY-john Tech Support or a local representative to reset instrument to open access mode. SETUP GAC® 2500 Model (UGMA) 11001-1505H-201612 Rev B...

  • Page 36: System Setup

    OPERATOR’S MANUAL SYSTEM SETUP System Setup allows customization of the instrument’s functionality and print settings: • Printer/scale setup • Language selection • Time and date setup • Test result settings (automatic, manual return) • Exporting data format (CSV, Excel) • Units of measurement •...
  • Page 37 OPERATOR’S MANUAL 9. Select the output format. NOTE: When printing to a database – PRN20 - Standard 20 column printer output using an RS232 connection and CSV printer output format, – PRN21 - Special 20 column printer output a line feed of 1 is required for a –...

  • Page 38: Adding A Header And Footer To Ticket

    OPERATOR’S MANUAL ADDING A HEADER AND FOOTER TO TICKET Header and Footer text can be added to print on a print ticket. Owner Data NOTE: An external keyboard, bar code text can be selected as the default or customized text can be entered. scanner, or mouse can be used to enter header and footer To Enter a Header/Footer:...

  • Page 39: Printer/Scale Setup

    OPERATOR’S MANUAL 2. Select either USB Printer option. 3. To print to a strip printer and CSV serially, select the “Print CSV Serially Also”. 4. To always stream data serially after each test, select the “Always Stream Data Serially” option. Figure 26 Enable Data Streaming GAC2500-UGMA...

  • Page 40: Language And Keyboard Settings

    OPERATOR’S MANUAL – NTEP - A detailed printout that includes engineering data and test NOTE: When printing to a database or results used by the National Conference on Weights and Measures. scale using an RS232 connection and CSV printer 6. Select the line termination style. output format, a line feed of 1 is –...

  • Page 41: Sample Setup

    OPERATOR’S MANUAL 3. To select a keyboard type, press the radio button to enable either QWERTY or Standard style. 4. Unit automatically converts to the selected system language and/or the selected keyboard. Figure 28 Language Screen GAC2500-UGMA System Setup System Setup Printer Language Sample Setup...
  • Page 42 OPERATOR’S MANUAL Prompt for Sample ID can be enabled even when a sample or customer ID is not required so the screen appears during analysis giving the option to include either of these ID’s. – Enable when a sample or customer ID are required entries before analysis.
  • Page 43 OPERATOR’S MANUAL Figure 29 Sample Setup Screen GAC2500-UGMA System Setup System Setup Printer Language Sample Setup More GAC2500-UGMA GAC2500-UGMA Sampling Setup Requires a User When Running Samples: : Login at the A Sample ID is Required Sample ID screen Prompt for Sample ID (Typically used Auto Sequence Sample ID by federal...

  • Page 44: Result Setup

    OPERATOR’S MANUAL RESULT SETUP After performing a grain analysis, the unit can be set to automatically advance back to the Sample ID screen from the Analysis Results screen or manually return to this screen with a button press. The unit default is set to manual return.
  • Page 45 OPERATOR’S MANUAL Figure 30 Result Setup Screen GAC2500-UGMA System Setup System Setup Result Setup Export Data Format Time More GAC2500-UGMA Sample Return Setup Sample Return Setup Upon Sample Result: : Manual Return Seconds before automatic return Enter number between 4 – 20 seconds Require drawer to be emptied after each sample Bottomless Drawer in Use Display Test Weight...

  • Page 46: Export Data Format

    OPERATOR’S MANUAL EXPORT DATA FORMAT Data can be saved for output to a computer in an Excel or CSV format. The unit default is CSV. 1. At the System Setup screen, press the the More button until the Export Format button appears. 2.

  • Page 47: Time

    OPERATOR’S MANUAL TIME 1. At the System Setup screen, press the Time button. NOTE: The date can be changed to US 2. To select a date, press the Date drop down arrow to display calendar. or UK format at the Units 3.

  • Page 48: Units

    OPERATOR’S MANUAL UNITS The Units screen allows selection of: • Date format (US or Euro) • Temperature (degrees F or C) • Unit measurement for test weight (lb/bu or kg/hl) • Radix point (, or .) • Moisture, test weight, and temperature display resolution (tenths or hundredths) Test Weight defaults to display on the Analysis Results screen but can be removed by disabling at the Sample Setup screen.

  • Page 49: Owner Data

    Owner Data Screen to enter data. GAC2500-UGMA System Setup System Setup Units Owner Data Service Data More GAC2500-UGMA Owner Data Owner Data DICKEY-john Corp. Name: Auburn, IL 62615 Address: Phone: 217-438-3371 SETUP GAC® 2500 Model (UGMA) 11001-1505H-201612 Rev B...

  • Page 50: Service Data

    OPERATOR’S MANUAL SERVICE DATA The Service Data screen provides text entry fields for technicians to enter comments regarding service performed on the unit and service date. – Resettable Counter resets the number of tests to 0. – Total Cycles indicates the number of tests performed over the life of the unit and is not resettable.

  • Page 51: Lcd Display Touch Screen Calibration

    OPERATOR’S MANUAL LCD DISPLAY TOUCH SCREEN CALIBRATION The LCD display touch screen may not respond as it should with a finger touch or stylus after a period of time or if subjected to extreme temperature changes. The display can be re-calibrated to improve responsiveness. 1.

  • Page 52: Data Storage Capacity

    OPERATOR’S MANUAL DATA STORAGE CAPACITY The GAC 2500-UGMA is capable of storing a maximum of 3,000 test results. The database can be cleared at any time by selecting the Clear Database button located under the System Setup screen. When stored data has reached approximately 2,500 records, a warning screen automatically appears when attempting a grain measurement that indicates memory capacity is getting low.

  • Page 53: Check Scale

    OPERATOR’S MANUAL CHECK SCALE Check Scale performs an instrument scale measurement for a weight accuracy comparison with an external scale. The readings displayed onscreen are actual temperature and weight product results. To Perform a Check Scale: 1. At the System Setup screen, press the More button until the Check Scale button displays.
  • Page 54 OPERATOR’S MANUAL Figure 39 Performing a Check Scale GAC2500-UGMA Check Scale Check Scale Press Measure to Read Scale Measure GAC2500-UGMA Check Scale Check Scale Measure Tare. GAC2500-UGMA Checking Scale... Checking Scale... Loading... GAC2500-UGMA Checking Scale... Checking Scale... Weighing. GAC2500-UGMA Scale Measurement Results Scale Measurement Results Weight = 263.90 g Temp: 22.72°C...
  • Page 55 OPERATOR’S MANUAL 9. Remove drawer and weigh the grain in the drawer on an external scale and compare to reading on the display. 10. Press the Retest button to perform another check scale or Exit button to return to the Setup screen. Figure 40 Dumping Sample GAC2500-UGMA...

  • Page 56: Network Setup

    OPERATOR’S MANUAL NETWORK SETUP Network setup automatically displays the ethernet settings of the instrument when connected to an ethernet cable and computer. A Static IP address should only be enabled by an authorized service technician. (Figure 41) provides an example of a typical network setup. Contact your local IT department for IP and Gateway addresses.

  • Page 57: Update Instrument

    OPERATOR’S MANUAL UPDATE INSTRUMENT Update Instrument allows a software update to the instrument via a USB NOTE: Some functions are not memory device. After an update, the instrument performs an automatic available when the security power cycle. switch is enabled due to governmental regulations and 1.

  • Page 58: Startup

    Refer to the System Setup section for further information. Figure 43 Startup Screens GAC2500-UGMA Instrument Information Model: GAC 2500 UGMA S/N: Software Versions: 5.4, 2.8., 2.2, 9 IP Address: 10.30.2.118 Last Service: 2 5 16 App Sum: 9f4-a176599fc1280850151aededa...

  • Page 59: Power Down

    OPERATOR’S MANUAL POWER DOWN The instrument can be powered down from any screen by pressing the on/ off switch located on the front panel. A virtual Power Down button is also available on some top level screens and powers off the instrument in the same manner as the on/off switch. A Power Down screen must be acknowledged before the instrument shuts down.

  • Page 60: Analyzing Grain

    At the Main Menu screen, three functions are performed: 1. To analyze grain 2. To access test results 3. To setup/customize the unit Figure 45 Main Menu (Home) Screen GAC2500-UGMA DICKEY-john Corporation DICKEY-john Corporation Power Current User: UserName Instrument Information Analyze...

  • Page 61: User Login

    OPERATOR’S MANUAL USER LOGIN 1. At the Main Menu screen, press the User button. NOTE: Refer to the System Setup, 2. GUEST appears as the default User Name and must be replaced with Sample Setup section to enable a different user name. Press the keypad icon to enter a new user user login.

  • Page 62: Selecting Product

    OPERATOR’S MANUAL SELECTING PRODUCT To Select a Grain for Testing: NOTE: If User ID is enabled, it must be entered before analysis can 1. At the Main Menu screen, press the Analyze button. occur. 2. A pre-defined list of 4 grains appear on the Select Product screen. –...

  • Page 63: Performing A Grain Analysis

    OPERATOR’S MANUAL PERFORMING A GRAIN ANALYSIS Screens that display during analysis will vary based on what configurations are enabled or disabled at the System Setup/Sample Setup screens: • Automatic grain measurement when hopper is full • Sample ID and/or Customer ID screen prompt step •...

  • Page 64: Hopper Level Indicator

    OPERATOR’S MANUAL HOPPER LEVEL INDICATOR During analysis, hopper level status is indicated via the Initiate button. – Yellow indicates hopper is empty and must be filled before proceeding. – Green indicates hopper is full and testing can proceed. Figure 49 NOTE: It is important to pour enough grain in the hopper to fill the Hopper Level Indicator...
  • Page 65 OPERATOR’S MANUAL Figure 50 Analysis Process Analyzing Corn Analyzing Corn SampleID: “Sample ID” Please wait ... 10. An audible alarm indicates when test is complete and automatically advances to the Analysis Results screen. 11. The Analysis Results screen displays: NOTE: To automatically return to the –...

  • Page 66: General Cleaning Tip

    OPERATOR’S MANUAL Figure 51 Analysis Screen Analysis Results Analysis Results Product: Corn Sample Name: Sample ID 10 . 9 % Moisture 25.2 lb/bu (approx) Not Certified TW 75.0 F Enter Sample ID Change Product Analysis Results Analysis Results Product: Corn Sample Name: Sample ID 15 .

  • Page 67: Approximate Calibration Reading

    If TW Metric Slope and TW Metric Bias do not appear on screen as a line item then the calibration is old. Or if TW Metric Bias value is 0 the calibration is old. Contact DICKEY-john Technical Support for assistance on how to update NOTE: A certified calibration on all the calibration.

  • Page 68: Database Memory Messages

    OPERATOR’S MANUAL DATABASE MEMORY MESSAGES DATABASE MEMORY FULL WARNING When stored data has reached approximately 2,500 records, a warning screen automatically appears when performing a grain analysis indicating memory capacity is getting low. Analysis can still occur until the maximum allowed records of approximately 3,000 is reached.
  • Page 69 OPERATOR’S MANUAL OUT OF MEMORY A Database Full screen displays when performing a grain analysis and the database has reached maximum storage capacity. Analysis cannot continue until records are deleted. Follow onscreen instructions to remove records. Figure 54 Out of Memory GAC2500-UGMA OUT OF MEMORY FOR RESULTS! OUT OF MEMORY FOR RESULTS!
  • Page 70 OPERATOR’S MANUAL DATA DRIVE OUT OF MEMORY A Data Drive Out of Memory screen appears when the data drive is out of space. An analysis cannot be performed until data is cleared. Figure 56 Data Drive Out of Memory Warning GAC2500-UGMA OUT OF MEMORY FOR RESULTS! OUT OF MEMORY FOR RESULTS!
  • Page 71 OPERATOR’S MANUAL ANALYZING GRAIN GAC® 2500 Model (UGMA) 11001-1505H-201612 Rev B...

  • Page 72: Results

    2. At the Results screen, press the View Results button. Figure 57 NOTE: A momentary pause may occur before test results appear on View Results screen. Do not press any GAC2500-UGMA buttons during this time. DICKEY-john Corporation DICKEY-john Corporation Current User: UserName Analyze Results Setup GAC2500-UGMA Results...

  • Page 73: Refine Query Options

    OPERATOR’S MANUAL REFINE QUERY OPTIONS Figure 58 Product Like Criteria Example GAC2500-UGMA Refine Query Refine Query Maximum records to return Maximum records to print All Products Product GUEST User Sample ID Query Last Days GAC2500-UGMA View Results View Results Queried Title Results of Wh* with * Filter...

  • Page 74: All Products

    OPERATOR’S MANUAL ALL PRODUCTS NOTE: A status bar indicates progress of retrieving filtered data. Displays all sample tests stored on instrument. Results can take several minutes to load while retrieving PRODUCT data. Do not press any buttons during this time. Allows entry of part or all of the product name to perform a product search.

  • Page 75: Audit Trail

    OPERATOR’S MANUAL AUDIT TRAIL Any changes that relate to system functionality and testing are recorded and stored. The Audit Trail provides a log of these changes. To View Audit Trail: 1. At the Results screen, press the Audit Trail button. 2.
  • Page 76 OPERATOR’S MANUAL Figure 60 Audit Trail GAC2500-UGMA Results Results View Results Audit Trail View Products Current GAC2500-UGMA Audit Trail Audit Trail Filter Product changes and errors and system changes Selected 1 of 38 Filter Event Type Descriptio ERROR LOGGED NO_COM PRODUCT DELETE Corn(Issu ERROR LOGGED...

  • Page 77: View Products

    OPERATOR’S MANUAL VIEW PRODUCTS The Installed Products screen provides an alphabetical table of active products stored on the unit with respective Issue ID. Products can only be viewed and printed at this screen. To View Products: 1. At the Results screen, press the View Products button. 2.

  • Page 78: Product Calibrations

    OPERATOR’S MANUAL PRODUCT CALIBRATIONS UGMA Product calibration files are available for download at the DICKEY-john ® website for transfer to the GAC 2500 UGMA via a USB memory device. www.dickey-john.com/Products/Analytical/Moisture Testing/GAC2500 Grain Analysis Computer/Get Support/Downloads. These files are also available through DICKEY-john Technical Support Group at 1-800-637-3302.
  • Page 79 OPERATOR’S MANUAL PRODUCT CALIBRATIONS GAC® 2500 Model (UGMA) 11001-1505H-201612 Rev B...

  • Page 80: Diagnostics

    Weight: 319.24 LCELL: 11125708 Z= 29.5177681111397-4.60295171402393i Empty: 10448163 E = 0.1g Zm= 29.875 P= 3.20867553564802-0.264329486251958i DICKEY-john, GAC2500 CELL BOARD, 2.2, 04100024 DICKEY-john, GAC2500 GRAIN HANDLER, 2.8 App Version = 110330961-A, X10330980- App Version ENG504, 110330700-D, 1906312-A, 110330823-A DIAGNOSTICS / 75 GAC®...
  • Page 81 OPERATOR’S MANUAL DIAGNOSTICS GAC® 2500 Model (UGMA) 11001-1505H-201612 Rev B...

  • Page 82: Maintenance

    OPERATOR’S MANUAL MAINTENANCE IMPORTANT: It is highly recommended the unit be regularly inspected NOTE: For customers that require a and cleaned to ensure continued and consistent results. more extensive cleaning procedure with debris buildup in For optimum performance, extensive cleaning should be performed the cell, contact and schedule weekly or more often, as needed, based on surrounding your instrument for cleaning...

  • Page 83: Internal Cleaning

    – Pressing the Clean button automatically begins the cleaning sequence and opens the hopper door and the trap door (version 2.4 grain handler firmware). Figure 64 Daily Clean Method GAC2500-UGMA DICKEY-john Corporation Current User: Guest Analyze Results Setup GAC2500-UGMA Instrument Information...
  • Page 84 OPERATOR’S MANUAL 3. Remove the grain drawer. Figure 65 Remove Grain Drawer 4. Using the supplied brush, manually remove any loose or stuck grain or dust from the measuring cell. 5. Press the OK button to return instrument to normal operation. Hands should be clear from inside the instrument before pressing the OK button.

  • Page 85: Extensive Cleaning Method

    OPERATOR’S MANUAL EXTENSIVE CLEANING METHOD The daily cleaning method should be performed first before proceeding to NOTE: For customers that require a the extensive cleaning method. more extensive cleaning procedure with buildup in the IMPORTANT: cell, contact and schedule your Extensive cleaning should be performed weekly or more often, as instrument for cleaning with your dealer or authorized...
  • Page 86 OPERATOR’S MANUAL 3. Remove other accessory cords (USB and printer). Figure 69 Remove Accessory Cords 4. Remove grain drawer. Figure 70 Remove Grain Drawer 5. Place the instrument on its back side. Figure 71 Place Instrument on Back Side MAINTENANCE / 81 GAC®...
  • Page 87 OPERATOR’S MANUAL 6. Manually pull down on trap door. Figure 72 Pull Down on Trap Door 7. Clean surfaces around measurement cell including hinge, trap door, and edge of cell with the supplied brush. Figure 73 Clean Surface Area Around Cell, Hinge, Trap Door, Edge of Cell 8.

  • Page 88: Cleaning The Temperature Sensor Probe

    DICKEY-john Service or authorized service center. The temperature sensor may require cleaning due to dust buildup and/or foreign material that has collected around the sensor that could potentially cause temperature error readings during analysis.
  • Page 89 OPERATOR’S MANUAL Figure 78 10” Flat Head Screw Driver TEMPERATURE SENSOR TYPE The GAC 2500 is equipped with one of two different sensor types. The cleaning method is similar for both types however the cotton swab for cleaning varies based on the sensor type. •...
  • Page 90 OPERATOR’S MANUAL To Clean the IR Temperature Sensor: 1. Gently place instrument upside down. Figure 80 Place Instrument Upside Down 2. Visually inspect the IR temperature sensor to determine the type of sensor installed. 3. For instruments with the flush sensor and brush bracket, the following procedure can be utilized to remove particles from the brush.
  • Page 91 OPERATOR’S MANUAL Figure 82 Wet Swab with Alcohol 5. Swab method for cleaning sensor: – For embedded sensors, the sensor is located inside the black tube. Insert the swab inside the black tube and gently clean the IR temperature sensor with the wet end of the cotton swab as depicted (Figure 83).
  • Page 92 OPERATOR’S MANUAL The IR temperature sensor can be cleaned with the Q-tip by placing the Q-tip through the funnel or on the outside of the funnel as depicted in (Figure 84). Figure 84 Cleaning the Sensor with Cotton Swab Place Q-tip on either side of funnel to reach...
  • Page 93 OPERATOR’S MANUAL MAINTENANCE GAC® 2500 Model (UGMA) 11001-1505H-201612 Rev B...

  • Page 94: Troubleshooting

    Error messages display when an abnormal event occurs. An error can be acknowledged by pressing the Initiate button. The table provides an overview of error codes with potential causes and corrective actions. For any failure that persists, contact DICKEY-john Technical Support at 1-800-637-3302. TROUBLESHOOTING / 89 GAC®...
  • Page 95 OPERATOR’S MANUAL TROUBLESHOOTING GAC® 2500 Model (UGMA) 11001-1505H-201612 Rev B...
  • Page 96 Internal Power Supply Out of Unit internal voltage is out of specification. Service is required. Contact DICKEY-john Tech Spec Support at 1-800-637-3302. Unable to Predict Moisture A corrupt instrument calibration file or other Dump sample and re-analyze.
  • Page 97 1-800-637-3302. Unexpected Application The application has encountered an unexpected Press the Initiate (green) button or cycle power to Crash error. reboot the instrument. If problem persists, contact Dickey-john Tech Support at 1-800-637-3302. TROUBLESHOOTING GAC® 2500 Model (UGMA) 11001-1505H-201612 Rev B...
  • Page 98 Europe: DICKEY-john Europe S.A.S, 165, boulevard de Valmy, 92706 – Colombes – France TEL: 33 (0) 1 41 19 21 80, FAX: 33 (0) 1 47 86 00 07 WEB: www.dickey-john Copyright 2016 DICKEY-john Specifications subject to change without notice.
  • Page 99 ® ANALYSIS COMPUTER MODEL UGMA DICKEY-john Sales 800-637-2952 agsales@dickey-john.com DICKEY-john Technical Support 800-637-3302 service@dickey-john.com DICKEY-john, the DICKEY-john Logo and GAC are 5200 Dickey-john Road 217-438-3371 registered trademarks of DICKEY-john. Auburn, IL 62615 217-438-6012 fax www.dickey-john.com ©2016 DICKEY-john 11001-1505H-201612 Rev B...

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