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6

Benchmark HD Series

4.0

Troubleshooting

Symptom

Probable Cause 

Remedy

No display

Power disconnected

Connect power

Cable cut or disconnected

Repair cable

Signal leads incorrectly wired at indicator Connect according to indicator manual

Display stays at zero

Incorrect load cell cable connections

Connect according to manual

Faulty indicator

Service the indicator

Erratic weight display

Vibration near the scale

Remove the source of vibration, or 
adjust the digital averaging of the 
indicator to minimize the erratic display

Scale is not level

Level the scale

Water damage to the load cell or load 
cell cable

Replace the load cell

Faulty indicator

Service the indicator

Loose load cell screws

Tighten the correct torque

Faulty load cell

Test and replace if necessary

Consistently low weights

Indicator is not properly adjusted to zero

Zero the indicator correctly

Scale deck cover is binding

Obtain adequate clearance

Overload stops set too high

Reset overload stops correctly

Indicator not calibrated for scale

Calibrate

Faulty load cell

Test and replace if necessary

Table 4-1. Troubleshooting Guide

Summary of Contents for Benchmark HD Series

Page 1: ...Benchmark HD Series Heavy Duty Bench Scale Installation Manual 93631...

Page 2: ...4868 USA U S 800 472 6703 Canada Mexico 800 321 6703 International 715 234 9171 Europe 31 0 26 472 1319 www ricelake com www ricelake mx www ricelake eu www ricelake co in m ricelake com Rice Lake Wei...

Page 3: ...ment 7 5 2 Replacement Parts 8 Benchmark Series Limited Warranty 10 Technical training seminars are available through Rice Lake Weighing Systems Course descriptions and dates can be viewed at www rice...

Page 4: ...ii Benchmark HD Series Rice Lake continually offers web based video training on a growing selection of product related topics at no cost Visit www ricelake com webinars...

Page 5: ...f not avoided may result in minor or moderate injury Indicates information about procedures that if not observed could result in damage to equipment or corruption to and loss of data General Safety Do...

Page 6: ...n 5 point independently adjusted Cable Length 10 ft 3 m 6 wire shielded Output Impendance 350 Maximum Overload 200 Compensated Temperature Range 10 C 14 F to 40 C 104 F Dimensions Capacities Size Capa...

Page 7: ...t the four corner feet until the scale is level and all feet contact the support surface so that the scale does not rock Lock the jam nuts on the feet when the final level is correct 2 2 Connecting th...

Page 8: ...icator To prevent this all bench scales should be adequately grounded so that static charges and transient electrical surges can drain directly to the ground A recommended practice is to connect the s...

Page 9: ...mes before calibration to be certain that everything is seated To calibrate the Benchmark HD scale place test weights on the scale platform equal to 70 100 of the scale s capacity If several weights a...

Page 10: ...st the digital averaging of the indicator to minimize the erratic display Scale is not level Level the scale Water damage to the load cell or load cell cable Replace the load cell Faulty indicator Ser...

Page 11: ...to 200 in lbs 11 Turn the scale upright Position the spacer plate on the load cell then place the top frame into position 12 Screw in the four upper load cell screws NOTE Torque bolts to 200 in lbs 1...

Page 12: ...8 Benchmark HD Series 5 2 Replacement Parts Figure 5 2 Benchmark HD Assembly Drawing Breakout...

Page 13: ...49788 8 3 15 Lock washer 5 16 regular 15153 8 4 Top frame 93758 30 x 30 93760 36 x 36 1 5 Self adhesive bumper 26407 30 36 6 Shim 3 16 x 2 3 8 x 3 SST 87358 2 7 Load cell 91690 250 lb scale 91692 500...

Page 14: ...caused by accident misuse neglect alteration improper installation improper repair or improper testing RLWS shall be the sole judge of all alleged non conformities Such equipment has not been modified...

Page 15: ......

Page 16: ...868 USA U S 800 472 6703 Canada Mexico 800 321 6703 International 715 234 9171 Europe 31 0 26 472 1319 www ricelake com www ricelake mx www ricelake eu www ricelake co in m ricelake com Rice Lake Weig...

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