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Diagnostic Mode ........................................................................................................ 3-7
Scanner and Scale Reset .......................................................................................... 3-7
Scale Adjustments ..................................................................................................... 3-8
Zeroing the Scale ................................................................................................ 3-8
Calibrating the Scale ........................................................................................... 3-8
Operational Maintenance ...................................................................................................... 3-10
Vertical Scan Window Replacement ....................................................................... 3-11
Horizontal Scan Window Replacement (WRG) ....................................................... 3-13
Section 4. Problem Isolation................................................................................................. 4-1
Power-Up Selftest ............................................................................................... 4-1
Operational Tests ................................................................................................ 4-1
Diagnostic Tests ................................................................................................. 4-2
Diagnostic Procedures ............................................................................................................ 4-2
Error Codes ............................................................................................................................ 4-3
Scale Error Reporting ............................................................................................................. 4-6
Flowcharts .............................................................................................................................. 4-7
Section 5. Calibration............................................................................................................ 5-1
Description of Calibration Sequence ...................................................................................... 5-2
Motion Test ............................................................................................................................. 5-3
Automatic Zero Setting Test ................................................................................................... 5-3
Automatic Zeroing if Scale is Under Zero .................................................................. 5-4
Verification of Automatic Zeroing if Scale is Under Zero .................................... 5-4
Preparing the Scanner/Scale for Calibration .......................................................................... 5-4
Calibrating the Scale (Pounds & Kilograms) ........................................................................... 5-5
Calibration Verification (U.S. Pounds) .................................................................................... 5-8
Increasing-Load Test (Phase 1) ................................................................................ 5-9
Shift Test ................................................................................................................... 5-9
Increasing- Load Test (Phase 2) ............................................................................. 5-11
Blanking Test ........................................................................................................... 5-11
Decreasing-Load Test ............................................................................................. 5-12
Return to Zero Test ................................................................................................. 5-12
Calibration Verification (Kilograms) ...................................................................................... 5-13
Increasing-Load Test (Phase 1) .............................................................................. 5-13
Shift Test (Metric) .................................................................................................... 5-14
Increasing- Load Test (Phase 2) ............................................................................. 5-15
Blanking Test ........................................................................................................... 5-16