pH 7110 - Fagerberg

What to do if... pH 7110CauseRemedy• ORP value not stable • Measure with air excluded ifnecessary• Temperature not stable • Adjust temperature if necessary10.2.2 Error message OFL, UFLThe measured value is outside the measuring range of the meter.The measured value is obviously incorrect.CauseRemedy• Cable broken • Replace the electrode• Gel electrolyte dried out • Replace the electrode• Air bubble in front of the junction • Remove the air bubble• Air in the junction • Extract air or moisten the junction10.3 General information10.3.1 Symbol for calibration evaluation flashesCauseCalibration interval expiredRemedyRecalibrate the measuring system10.3.2 [LoBat] displayCauseBatteries almost emptyRemedyReplace the batteries (see section3.3.1 INSERTING THE BATTERIES,page 10)40 ba75925e01 07/2011