Trouble Shooting - KERN TEE 150-1 Service Manual

5 Trouble Shooting

Power on
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Full Segments?
If no display, check battery, connection between battery—main board.
If missing segments, check fixing of LCD frame, zebra connector under LCD.
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Display Zero?
If display [LO], check battery >2.5V.
If display [ E] , check internal count.
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Proper readout?
If unstable reading, check load cell and environmental conditions.
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Correct reading?
If not accurate, perform internal calibration.
If cannot reach full capacity, check load cell and internal zero point.
If always zero, check internal zero point. Internal calibration if necessary.
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Normal operation.
6 TEE-SH-e-0810