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Summary of Contents for Midtronics MDX-640
- Page 1 MDX-640 MDX-640 Battery Conductance Analyzer Battery Conductance Analyzer For 6 & 12-volt automotive starting batteries INNOVATION TECHNOLOGY QUALITY WORLDWIDE INSTRUCTION MANUAL INNOVATION TECHNOLOGY QUALITY...
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Page 2: Safety Guidelines
Wash hands after handling. Capabilities The MDX-640 Battery Conductance Analyzer tests 6 & 12-volt regular flooded, AGM flat plate, AGM spiral, and gel batteries for passenger cars and light trucks. It displays the test results in seconds and features a built-in printer to provide customers with a copy of the results. -
Page 3: User Interface
MDX-640 Battery Conductance Analyzer User Interface Display Showing Measured Battery Result voltage Decision Measured Button rating Toolbar Selected rating Output UP and DOWN Arrows Use these keys to choose test parameters and scroll to menu options. ENTER Button MDX-640 Use this button to make selections. -
Page 4: Options Menu
MDX-640 Battery Conductance Analyzer Options Menu Procedure Press the MENU button to access the Options Menu. Use the UP (p) and DOWN (q) arrows to move to the line you want to edit. Press the ENTER button to make highlighted line editable. Use the UP (p) and DOWN (q) arrows to select the character for that cur- sor location. Press the ENTER button to move to the next location. Press the MENU button to return to the Options Menu. Option... -
Page 5: Preparations Before The Test
MDX-640 Battery Conductance Analyzer Preparations Before the Test Before connecting the tester, clean the battery posts or side terminals with a wire brush and a mixture of baking soda and water. When testing side- post batteries, install and tighten lead terminal adapters. A set of adapters is included with the tester. -
Page 6: Battery Test
MDX-640 Battery Conductance Analyzer Battery Test When you first connect the tester to the battery, it functions as a voltmeter until you press the ENTER button to start the test. This function can be turned off through the Options Menu After you press ENTER, scroll to each parameter using the UP or DOWN ARROW button and press ENTER to select. -
Page 7: Battery Test Results
MDX-640 Battery Conductance Analyzer BATTERY RATING: Scroll to and select the rating units. Hold down the UP or DOWN ARROW button to increase the scrolling speed. Press ENTER to start test. After several seconds the tester displays the deci- sion on the battery’s condition and the measured voltage. The tester also displays your selected battery rating and the rating units. - Page 8 NOTE: For an in-vehicle test, the display alternates between the test results and the message “PRESS FOR STARTER TEST. See “Maintenance & Troubleshooting” in this manual for more information about the printer. IMPORTANT: The MDX-640 retains the results of the last test only. When you start a new test, the last results are overwritten.
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Page 9: Test Messages
MDX-640 Battery Conductance Analyzer Test Messages For a more decisive result, the tester may prompt you for additional information. The messages in the following table may appear before the tester can display a result. Test Message Interpretation BAT. TEMPERATURE Select ambient temperature above or below 32 ºF (0 ºC) CHARGE STATE Select before or after battery has been charged. -
Page 10: Error Messages
MDX-640 Battery Conductance Analyzer Error Messages Error Message Interpretation CONNECT TO Tester is not connected to the battery 12V BATTERY LOW INTERNAL AA Internal AA batteries are low and need to be BATTERIES. REPLACE replaced. See “Maintenance & Troubleshooting” AA BATTERIES SOON! section. -
Page 11: Changing The Cable Assembly
MDX-640 Battery Conductance Analyzer Maintenance & Troubleshooting Changing The Cable Assembly Identify the circled screw. Remove the screw. Grasp the housing and firmly pull the cable assembly from housing. To attach a new cable, align the cable and tester housings and push to-... -
Page 12: Troubleshooting The Display
• If the analyzer does not power on when you press and hold the MENU but- ton, replace the AA batteries. Replacing the Battery The MDX-640 can test down to 5.5 volts when the unit’s internal batteries are not functioning. The tester displays LOW INTERNAL AA BATTERIES, REPLACE AA BATTERIES SOON! when the internal AA batteries need to be replaced. NOTE: Setup information will be retained while you change the internal batteries. Use the following procedure to remove and replace the internal AA batteries.
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