OHAUS EC Series Instruction Manual

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Contents

OHAUS EC Series Instruction Manual Manual pdf 16 page image

EN-12 EC Series6. CALIBRATIONFor best results, calibrate the scale at regular intervals. Temperature changes,geographic gravity variations, altitude changes and abuse are few reasons why ascale may need recalibration.When the scale is ideally positioned for operation, enter calibration and proceed asfollows:Long-press Zero to initiate calibra-tion (do not release key-press until“CAL” is displayed).The required calibration weight isdisplayed (ex. 3000g for a 3kgmodel). At this time, a differentcalibration weight value can beentered via the numeric keypad.Place the corresponding calibrationweight on the pan. The displayflashes until the actual weight is reg-istered and the calibration processends (the scale momentarily beepsbefore exiting to normal weighingmode).NOTE: Press Zero at any time to abort during the calibration process.3000.0.Weight g0..3000.03000.03000.03000.03000.0.Piece Weight g/pc3000.0.CALCount pcsCALRequired calibrationvalue3000.0. 3000.0. CALProcedureActual calibrationweight3000.0. 0.. 0..7. TROUBLESHOOTINGThe following table lists common problems, possible causes and remedies. If theproblem persists, contact Ohaus or your authorized Ohaus dealer.SymptomScale will not turn on.Battery fails to charge fully.Weight reading doesnot stabilize.Scale does not displayaccurately.E1, E2, E3 displayed--OL-- displayedPossible CausesAC power not connected.Battery discharged.Battery is defective or past itsuseful life.Unstable environment.Interference under pan.Improper calibration.The pan is placed incorrectly.Zero limit exceeded duringpower up.Load exceeds scale capacity.RemedyConnect scale to power.Connect scale to power andcharge battery.Have the battery replaced by anauthorized Ohaus service dealer.Ensure a stable environment.Ensure that the weighing pan isunobstructed and free to move.Calibrate the scale using propercalibration weights.Reposition the pan correctly.Ensure the pan is empty beforeswitching the scale on.Reduce the load on the pan.3 EC-textEN.pmd 8/9/2005, 1:41 PM12

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