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Table of Contents
Related Manuals for DIGI-STAR EZ 150
Summary of Contents for DIGI-STAR EZ 150
- Page 1 Scale System Troubleshooting Guide Digi-Star Scales with EZ 150, EZ 210 and EZ 320 Indicators F3214B December 1997...
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Page 2: Table Of Contents
Table Of Contents Digi-Star Indicators ......1 Introduction ......2 Indicator Flashes “±RANGE”... - Page 3 EZ Indicators EZ 150 EZ 210 EZ 320...
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Page 4: Introduction
Stationary Mixer Bulk Feed Tanks (poultry, veal) Others This guide includes troubleshooting flowcharts and step by step procedures for troubleshooting problems commonly found with most Digi-Star scale systems. Required Tools Multimeter [AC/DC Volts and Resistance] Simulator (sold by Digi-Star) Small Screwdriver (straight blade) -
Page 5: Indicator Flashes "±Range
Indicator Flashes “±RANGE” Indicator Flashing "+RANGE" Remove Junction Box Cable from Indicator (J902) Does Indicator Indicator is Defective Check Junction Box Stop Flashing Return Indicator to Factory (see page 10) "+RANGE" Replace or Repair Is Junction Junction Box Box Good? Continue Test Load Cells (see pages 11-12) -
Page 6: Indicator Will Not Come On
Indicator will not come on Indicator Will Not Come On Check for Bad Power Cord, Bad Connection or Bad Ground New Cord w/Green Stripe Red Wire = POS+ Black Wire = Neg- Check for Bad AC/DC Converter Battery Check 12V Replace Battery (see note) with Known... -
Page 7: Indicator Will Not Weigh
No Power to Indicator Check AC Power Source (if applicable) Check outlet with a multimeter or plug in another device to the outlet to make sure there is 110 volts present to the power supply. Check for DC Power to Indicator Measure the DC output of the power supply (or battery on mobile units) using a multimeter. -
Page 8: Indicator Unstable (Drifts)
Indicator Unstable (Drifts) Slow Drift Variations of 50 lbs with 1" DB cells and up to 350 lbs on 2 ” DB and larger cells are normal for most scale systems with daily temperature changes. Temperature compensated cells minimize temperature drift but do not eliminate drifting entirely. Balance indicator before use to prevent drift from causing inaccurate weight readings, except for feed bins where you want to save inventory data. -
Page 9: System Inaccurate
System Inaccurate Inaccurate systems are usually caused by: Indicator with wrong set-up. (An indicator that was set up for another scale application.) Debris under/around mounts or structure. Mounts, platform or cart not shimmed or supported properly to provide equal load to each load cell. - Page 10 System Inaccurate (continued) Mounts, Platform or Cart Not Shimmed or Supported Properly to Provide Equal Load at Each Load Cell: On MOBILE applications, side pressure on a wheel or tongue can cause inaccurate readings. Make sure wheels are on a level surface and there is no draw bar pull on tongue.
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Page 11: Indicator Will Not Balance (Zero)
Indicator Will Not Balance (Zero) Observe the display and watch for the “Zero” indicator to appear for two seconds after performing a balance to verify that the indicator has balanced. Low Battery Indicator will not balance if you have a low battery (less than 10.5 volts loaded). The “LO BAT”... -
Page 12: Inspect Junction Box Wiring
Inspect Junction Box Wiring 1. Connect the junction box to the indicator. 2. Open the junction box cover and check wiring for the following: • Wires connected to proper connection point, by color code. • Terminal blocks are clamped onto metal lead, not insulation. •... -
Page 13: Load Cell Resistance Chart
4. Stand over or hang on each load cell and observe increase in weight reading on the indicator (displayed weight will not be correct). 5. Disconnect load cell and repeats steps 3 through 6 for each load cell. 6. After all load cells are checked, compare the readings. If one cell is substantially different than the others, it is bad.
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