Hach 5500sc Maintenance And Troubleshooting Manual

Also see for 5500sc: Installation Installation Maintenance and troubleshooting Operations

Contents

Hach 5500sc Maintenance And Troubleshooting Manual Manual pdf 10 page image

1. Install the SD card into the SD card slot.2. Select SD CARD SETUP from the MAIN MENU.Note: The SD CARD SETUP option shows only when an SD card is installed.3. Select UPGRADE SOFTWARE and confirm. Select the device and upgrade version, if applicable.4. When the upgrade is complete, the display shows TRANSFER COMPLETE. Remove the SDcard.5. Restart the instrument for the upgrade to take effect.Troubleshooting and diagnosticsTroubleshootingProblem Possible cause SolutionCalibration error The value of the calibration solution inthe calibration menu is different from thevalue on the calibration solution bottle.Change the calibration solution value in thecalibration menu to show the value that is on thecalibration solution bottle.There is a leak in one of the reagentdelivery valves.Complete the diagnostic test for reagent deliveryvalves. Refer to Diagnostic test for reagent deliveryvalves on page 11. If a leak is found, replace theapplicable reagent delivery valve.The quantity of reagent that is suppliedto the sample cell is incorrect.Complete the diagnostic test for reagent delivery.Refer to Diagnostic test for reagent deliveryon page 11. If the reagent delivery is incorrect,look for a blockage in the tubing or replace theapplicable solenoid valve.The quantity of calibration solution thatis supplied to the sample cell isincorrect.Complete the diagnostic test for calibration solutiondelivery. Refer to Diagnostic test for calibrationsolution delivery on page 12. If the calibrationsolution delivery is incorrect, look for a blockage inthe tubing or replace the applicable solenoid valve.The stir bar is not installed correctly ordoes not move.Note: The stir bar moves intermittently duringmeasurements.Install the stir bar. Make sure that the stir bar movesduring measurements.The instrumentreading is low orless than zero.There is a leak in one of the reagentdelivery valves.Complete the diagnostic test for reagent deliveryvalves. Refer to Diagnostic test for reagent deliveryvalves on page 11. If a leak is found, replace theapplicable reagent delivery valve.The stir bar is not installed correctly ordoes not move.Note: The stir bar moves intermittently duringmeasurements.Install the stir bar. Make sure that the stir bar movesduring measurements.The quantity of reagent that is suppliedto the sample cell is incorrect.Complete the diagnostic test for reagent delivery.Refer to Diagnostic test for reagent deliveryon page 11. If the reagent delivery is incorrect,look for a blockage in the tubing or replace theapplicable solenoid valve.The reagent blank value in theREAGENTS/STANDARDS menu isdifferent from the value on theR1 (molybdate reagent) bottle.Change the reagent blank value in theREAGENTS/STANDARDS menu to show the valuethat is on the R1 reagent bottle.10 English