KERN RPB Service Manual

Contents

KERN RPB Service Manual Manual pdf 6 page image

3.2 CALIBRATION PROCEDUREFor verified balances calibration by means of a jumper is locked. In order to carry outcalibration the two contacts of the conductor plate must be shorted with a jumper inK6 position (see chapt. 3.1).If the hole is not provided in your scale, the security seal has to be broken to removethe top cover and gain access to the main PCB. Replace the cover and install thescrews before starting the calibration.Observe stable environmental conditions. A warming up time of approx. 10 minutesis required for stabilization. Ensure that there are no objects on the weighing plate.After the jumper has been placed in position K6, apply power to the scale.During the self-test press the key.The display will ask for a code number, “Pn - - - -“ on the Weight Display.To carry out the calibration, enter the number “0000” then press . The display willshow “CAL F1” will be enabled. Press the key.The display will show “UnloAd” asking you to remove any weight from the scale.Press the key.The display will tell you to add weight to the scale by showing “LoAd” “15” “kilo”Add the weight shown, wait for stability then press the key.The display will show “SPAn” “PASS” if the calibration is OK.Or it will show “SPAN” “FAIL” if calibration could not be completed correctly.The scale will return to the parameter menu (“CAL F1”).Return to weighing mode by pressing the key.Back to calibration process by pressing the key.6 RPB-SH-e-0610