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9 Troubleshooting

9-46

100700070045

ISE unit result error: K

electrode out of slope

range

Wrong electrode installation;

calibrator invalidated;

Electrodes performance

degrading.

air bubble in the electrode;

reference electrode damaged;

electrodes interact with each

other;

module or fluid path

temperature exceeding ℃;

Something wrong with the

sample

Reinstall the sensor;

Rerun after replacing the calibrator B; If the result is still

abnormal,, rerun after replacing calibrator A;

rerun after replacing problematic sensors.

Reinstall and recalibrate, after removing the bubble in

the electrode;

rerun after replacing the reference electrode;

rerun after replacing the K electrode;

monitor the temperature. If the ambient temperature is

too high, change the location of the system.

100700070065

ISE unit result error: K,

Na electrodes out of

slope range