Hach TitraLab AT1102 User Manual
Also see for TitraLab AT1000 Series: Basic user manualBasic user manual
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Contents
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Appendix B Frequently asked questionsTable 25 Application filesQuestion Cause ProcedureWhy can't I load any applicationsWrong file placement on theUSB storage deviceMake sure that the file path on the USB storagedevice is correctThe user is not in the homescreenPush the Home key to make sure that you are inthe home screen before connecting the USBstorage deviceWhy is the instrument not recognizingthe applications USB storage device,even though I have removed andreconnected the device and I see theUSB icon in the header barReconnecting the device hasbeen done too quicklyRemove the device and wait until the icondisappears from the header bar, then push theHome key to make sure that you are in the homescreen before reconnecting the deviceTable 26 TitrationQuestion Cause ProcedureWhy does the volume delivered notcorrespond to the volume displayedThe volume of the installed syringe isdifferent from the syringe configurationUse the recommended syringe for theapplication and make sure the volume iscorrectTable 27 MechanicalQuestion Cause ProcedureWhy is the equivalent point not beingdetected at the expected volumeAir bubbles are trapped inthe tubesSelect the Purge option on the instrument topurge the tubes of air bubbles (refer to Preparethe instrument for measurement on page 30)How can I remove an air bubble that istrapped on top of the syringeAir bubbles are trapped inthe syringeSelect the Purge option on the instrument topurge the syringe of air bubbles (refer to Preparethe instrument for measurement on page 30)Why is titrant leaking along the sealingabove the electrovalveThe tubes have not beencorrectly installed Turn the tube connector until a "click" is heardWhy is titrant leaking along the sealingbelow the electrovalveThe syringe has not beeninstalled tight enough Make sure that the syringe is installed correctlyThe electrovalve is leaking Change the electrovalve as described in Replacethe syringe electro-valve block on page 42Why is the titrant not being delivered intothe tubesThe titrant bottle is empty orthe tube is not correctlyinstalled in the bottleMake sure that the titrant bottle is installedcorrectlyThe electrovalve is blockedor defectiveChange the electrovalve as described in Replacethe syringe electro-valve block on page 42On my two syringe instrument, why is thetitrant not being delivered into the beakerbut back into the titrant bottleThe procedure is not beingdone on the correct syringeSelect the Syringe activation option on theinstrument, and Toggle the syringes to makesure that the correct syringe is being used in theapplicationThe active syringe is not thecorrect syringeErase all the installed applications and installthem again. The applications on line 1 will beallocated to syringe 1 and the applications on line2 will be allocated to syringe 2. Make sure thetitrant and installation is correct for the syringe(refer to Install the titrant and the reagenton page 16)73 |
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