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Hach SD900 User Manual
Also see for SD900: Basic user manual
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Contents
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Table 4 General troubleshooting (continued)Problem Possible cause SolutionThe battery life is short Insufficient voltage. Make sure that the lead-acid battery holds12.6 V to 13.4 V when fully charged. Replacethe battery if necessary.Battery power drains quickly. Charge the battery fully and let the batterystand for 1 hour. If the voltage decreasesbelow 12.5 V, replace the battery.Incorrect sampler baseconfiguration.Select the correct portable base. Refer toConfigure the system settings on page 17.Sampler does not havesufficient lift.Strainer is not completelysubmerged.Install the shallow depth strainer. Refer toAccessories on page 44.Intake tube has a leak. Replace the intake tube.Pump tube is worn. Replace the pump tube.Pump roller assembly is worn. Contact technical support.Sample volume is not correct. Incorrect volume calibration. Repeat the volume calibration.Incorrect tube length is specifiedin the sampler program.Make sure that the correct tube length is inthe sampler program.Intake tube does not purgecompletely.Make sure that the intake tube is as verticaland as short as possible.Strainer is not completelysubmerged.Install the shallow depth strainer. Refer toAccessories on page 44.Worn pump tubing and/or rollerassembly.Replace the pump tube and/or rollerassembly.The liquid sensor is disabled. Turn the liquid sensor on and complete avolume calibration.Liquid sensor does not operateproperly.Calibrate the liquid sensor with the sameliquid that is sampled.Error messagesTable 5 shows the possible error messages.Table 5 Error messagesMessage Description SolutionERRORWRONG RANGEThe value that was entered is outside ofthe acceptable range.Enter a number that is within therange on the bottom of the screen.BOTTLE NUMBEROUTPUT DISABLEDON PIN FWhen program complete output isenabled, the bottle number output onthe auxiliary port is disabled.To change to bottle number output,disable the program complete output.NOT ALLOWEDCANNOT ENABLE SETPOINTSAMPLING AND STORMWATERSetpoint and stormwater samplingcannot be enabled at the same time.Enable the correct option.NOT PERMITTEDEND THE PROGRAM FIRSTTO ACCESS THIS FEATUREThe menu is not accessible during asampling program.Select End Program or Cancel tocontinue the program.40 English |
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