Agilent Technologies G6600-90006 manual Troubleshooting Pump Issues

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Table 5 Troubleshooting Detector Issues (continued)

Problem

Possible Cause

Diagnosis

Corrective Action

 

 

 

 

Burner Fault Cycles. (off and

Cracked tube.

Pressure increases

Replace broken tubes.

ON)

 

>525 torr, Burner faults.

 

 

 

Cycle repeated as

 

 

 

temperature and pressure

 

 

 

reset.

 

 

 

 

 

Burner Fault Cycles (off and

Leak in Burner.

Pressure increases

Locate and repair leaks,

ON)

 

>600 torr, Burner faults.

check integrity of ferrules.

 

 

Cycle repeated as

 

 

 

temperature and pressure

 

 

 

reset.

 

 

 

 

 

Table 6 Troubleshooting Pump Issues

Problem

Possible Cause

Diagnosis

Corrective Action

Pump is noisy

High-pressure dry piston.

Pressure in the reaction cell Change sleeve/seal. is unacceptably high and the

pump is getting audibly noisy.

Pump Doesn’t Start

Dry piston seals have

Pump fuses blow

Dry piston requires break-in

 

recently been changed.

immediately after changing

time of a few minutes after

 

 

the seals and sleeves.

seals are changed.

 

 

 

 

Pump Doesn't Start

Pump switch off (dry piston

Locate pump switch on

Turn ON switch.

 

pump must start from

pump and verify position.

 

 

atmospheric pressure).

 

 

 

 

 

 

Fuses Blow on Startup

Emulsified oil (worn seals

Inspect oil for integrity.

Change pump oil, and plug

 

and head on dry piston

 

unit into wall to run for 10-15

 

pump).

 

minutes.

 

 

 

 

Water in Pump

Cracked coalescing filter.

Milky yellow oil in the pump

Change coalescing filter and

 

 

window.

pump oil.

 

 

 

 

Reaction Cell Pressure High

chemical trap clogged.

Remove trap from the

Change chemical trap.

 

 

vacuum line and confirm

 

 

 

expected pressure readings.

 

 

 

 

 

Reaction Cell Pressure High

Leak in ozone generator.

Air regulator falls rapidly to

Replace ozone generator.

 

 

zero when turned off.

 

 

 

 

 

Pump Loses Oil

Ballast Open.

Oil level drops.

Reset ballast

Gurgle Sound

 

 

See Pump specific sections.

 

 

 

 

High level of oil in

Plugged oil return restrictor

No visible movement of oil in

Change filter and clear

Coalescing Filter

 

the return line.

restrictor.

 

 

 

 

Operation and Maintenance Manual

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Contents Operation and Maintenance Manual Manual Part Number WarrantySafety Notices AcknowledgementsWA R N I N G EnglishIs not in use Español Français Deutsch Italiano Veiligheidsvoorzieningen niet meer DutchFollowing symbols are used on the equipment Contents Overview InstallationOperation Front Panel Controls and Initial StartupPump Maintenance MaintenanceIndex TroubleshootingOperation and Maintenance Manual Introduction Operation and Maintenance Manual System Description Technical Information 355 SCD SpecificationsTechnical Information 255 NCD Power requirements Physical SpecificationsVoltage Sulfur Chemiluminescence Detector Theory of OperationNitrogen Chemiluminescence Detector Dual Plasma Burner with the 355 SCD Dual Plasma ControllerDual Plasma Burner Description of Major ComponentsCross-Section of the Dual Plasma Burner for the 355 SCD Cross-Section of the Dual Plasma Burner for the 255 NCD Chemiluminescence Reaction Cell and Photomultiplier Tube Ozone Generator355 SCD Left Side 355 SCD Right Side 255 NCD Left Side View Vacuum Pump Pressure TransducerNCD Reaction Cell Chemical TrapOil Coalescing Filter FID Adapter OptionalNCD Photomultiplier Tube and Cooler Schematic for 355 SCD Schematic for 255 NCD, in Nitrogen Mode Schematic for 255 NCD, in Nitrosamine Mode Operation and Maintenance Manual Installation Overview Selecting a Location Power RequirementsCombustion Gas Requirements Environmental ConsiderationsTwo-stage pressure regulators Venting Gases Unpack and Inspect the Instrument Required Installation ToolsInstalling the Edwards RV5 Pump Oil-Sealed Vacuum Pump Set Up the Vacuum PumpWA R N I N G Ard RV5 Oil-Sealed Vacuum Pump and Associated Traps Front Side RV5 Oil- Sealed Vacuum Pump and Associated Traps Top Setting the Gas Ballast Position RV5 Installing the Welch Dry Piston Vacuum Pump Operation Notes Welch Pump Welch Dry Piston Pump Operation and Maintenance Manual SCD 230 V Unit Rear Panel Diagram Connect the Power CordInstall the Dry Compressed Air or O2 Supply Install the Signal Output Cables Additional information Install the Dual Plasma BurnerDual Plasma Controller Rear Panel Install the Dual Plasma ControllerCapillary Columns Install Column ConnectionsPacked Columns and Columns with an Outside Diameter 0.8 mm Install the Transfer Line Front Panel Controls and Initial Startup Detector Front Panel Controls Power ControlsDisplay Output Controls Signal ControlsDual Plasma Controller Front Panel Dual Plasma Controller ControlsVacuum Test Initial StartupRecorder Test Initial Checkout Detector Interface SetupIgnition Operation Start-Up Procedure Coking Detector OperationDetector Stability and Response Column BleedFluctuating Pressures Contaminated GasesTypical Operating Conditions Typical Operating ConditionsExpected Detection Limits for Chromatographic Conditions Detection LimitsDaily Shutdown Instrument Shut-DownComplete Shutdown Special Operating Modes Using the 255 NCD in Nitrosamine ModeOperation and Maintenance Manual Operation and Maintenance Manual Maintenance Operating Life of Components for Edwards RV5 Vacuum Pump Pump MaintenanceCleaning the Detector Changing the Oil Mist Filter RV5 Equipment Reaction Cell CleaningReaction Cell, PMT Housing and PMT Socket WA R N I N G Flow Sensor Calibration MDL Detector SensitivitySCD Proper Ferrule Orientation to the Large Ceramic Tube Orientation of the Double Taper Ferrule Tightening the Heater Swivel Nut Operation and Maintenance Manual NCD Proper Ferrule Orientation to the Large Quartz Tube Burner Assembly Detail Tube Replacement for the SCD Positioning the Upper Tube in the Union Fitting 100 Operation and Maintenance Manual Operation and Maintenance Manual 101 Tube Replacement for the NCD Operation and Maintenance Manual 103 NCD Tube Replacement Detail Troubleshooting Solving Detector Problems Dual Plasma Controller Fuses Power ProblemsDetector Fuse Vacuum Pump FuseFuse Positions on the Power Supply Board High Voltage Transformer Ozone Generation ProblemsPlugged Restrictor Lines Response Problems Temperature Reading Problems Troubleshooting Detector Issues Diagnosing General ProblemsDetector gases Troubleshooting Pump Issues Troubleshooting Burner Issues Index Agilent Technologies, Inc