Troubleshooting - KERN DE Service Manual

3 Troubleshooting

Turn the balance on
Full segments on the display ?
If no display, check battery / adapter; connection between keyboard – display
board, battery / adapter – display board.
If some segments are missing, check fixing of the LCD frame, the zebra
connector underneath the LCD.
Display zero ?
If display is LO, check the battery > 7,5 V, adapter > 9 V.
If display is E, check the internal count.
Proper readout ?
If the reading is unstable, check the platform, all stoppers and loadcells.
Is the reading correct ?
If the reading is not accurate, perform an internal adjusting.
If the balance cannot reach its full capacity, check the platform, all stoppers, load
cells and the internal zero point.
If zero is always displayed, check the internal zero point. Perform an internal
adjusting if necessary.
Normal operation.
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