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Troubleshooting

Troubleshooting

This chapter gives an overview of the maintenance, troubleshooting, and diagnostic features available.

Diagnostic Features

Status Indicators
User Interfaces
Troubleshooting With HPLC Advisor
Overview of Diagnostic Signals
Baseline Problems Deriving from Xenon Flash Lamp/Trigger Pack Assembly
Wander/Drift Problems Due to Temperature Changes
Monitoring of Additional Signals

Overview of Available Tests and Tools

Tests and Calibrations in Agilent Lab Advisor

Maintenance and Troubleshooting Tools of the G7175A Level Sensing

Level Sensing Accuracy Test
Bottle Plate Calibration Tool

Maintenance and Troubleshooting Tools of the G7110B Isocratic Pump, G7111A Quaternary Pump VL, G7111B Quaternary Pump, G5654A Bio-Inert Pump

User Interfaces
System Pressure Test
Leak Rate Test

Maintenance and Troubleshooting Tools of the G7104A Flexible Pump, G7104C Flexible Pump, G7131A Bio Flexible Pump, G7131C Bio Flexible Pump

Pump Leak Rate Test
System Pressure Test
Pump Self Test
Diagnostic Signals

Maintenance and Troubleshooting Tools of the G4782A SFC Binary Pump

Overview of the Module’s Indicators and Test Functions
Pump Leak Rate Test

Maintenance and Troubleshooting Tools of the G7112B Binary Pump

Overview of the Module’s Indicators and Test Functions
User Interfaces
System Pressure Test
Leak Rate Test
Pump Elasticity Calibration

Maintenance and Troubleshooting Tools of the G7120A High-Speed Pump, G7132A Bio High-Speed Pump

Pump Leak Rate Test
System Pressure Test

Maintenance and Troubleshooting Tools for the G7129A Vialsampler, G7129B Vialsampler, G7129C Vialsampler

Overview of Available Tests and Tools
Diagnostic Tests

Maintenance and Troubleshooting Tools of the G5668A Bio-Inert Multisampler, G7137A Bio Multisampler, G7167A Multisampler, G7167B Multisampler

Introduction
System Pressure Test
Auto Referencing
Maintenance Positions
Injector Steps (G4767A SFC Multisampler)
Sampler Leak Test

Maintenance and Troubleshooting Tools for the G4767A SFC Multisampler, G7167C Hybrid Multisampler, G7137B Hybrid Multisampler

Introduction
System Pressure Test
Auto Referencing
Maintenance Positions
Injector Steps (G7167C, G7137B Hybrid Multisamplers)
Injector Steps (G4767A SFC Multisampler)
Sample Handler Function Test
Sampler Leak Test (G7167C, G7137B Hybrid Multisamplers)
Sampler Leak Test
Hydraulic Path Leak Test (G7167C, G7137B Hybrid Multisamplers)

Maintenance and Troubleshooting Tools of the G7116A Multicolumn Thermostat, G7116B Multicolumn Thermostat

Available Tests vs User Interfaces
Thermostat Test
System Pressure Test
Sensors Offset Calibration

Maintenance and Troubleshooting Tools of the G7114A Variable Wavelength Detector, G7114B Variable Wavelength Detector

Available Tests versus Interfaces
Introduction
Using the Built-In Test Chromatogram

Maintenance and Troubleshooting Tools of the G7115A Diode Array Detector WR, G7165A Multiple Wavelength Detector

Available Tests vs User Interfaces
Introduction
Conditions of Detector
Failing a Test
Self-Test
Intensity Test
Cell Test
Filter Test
Holmium Oxide Test
ASTM Drift and Noise Test
Slit Test
Wavelength Verification Test
Wavelength Calibration
D/A Converter (DAC) Test
Dark Current Test
Spectral Scan
Using the Built-In Test Chromatogram

Maintenance and Troubleshooting Tools of the G7117A Diode Array Detector FS, G7117B Diode Array Detector, G7117C Diode Array Detector HS

Available Tests vs User Interfaces
Introduction
Use of Max-Light Cartridge Test Cell
Conditions of Detector
Failing a Test
Self-Test
Intensity Test
Cell Test
Quick Noise Test
ASTM Drift Noise Test
Slit Test
Wavelength Verification Test
Wavelength Calibration
D/A Converter (DAC) Test
Dark Current Test
Using the Built-In Test Chromatogram

Maintenance and Troubleshooting Tools of the G7121A Fluorescence Detector, G7121B Fluorescence Detector Spectra

Introduction
Diagram of Light Path
Lamp Intensity Test
Raman ASTM Signal-to-Noise Test
Wavelength Accuracy Test
Wavelength Verification and Calibration
Wavelength Calibration Process
Wavelength Calibration Procedure
Excitation and Emission Grating Resistance History
D/A Converter (DAC) Test
Dark-Current Test
Using the Built-In Test Chromatogram

Maintenance and Troubleshooting Tools of the G7162A Refractive Index Detector, G7162B Refractive Index Detector

Available Signals
Using the Agilent OpenLab ChemStation
Evaluation of the Diagnostic Signals
Using the Agilent Lab Advisor
Test Functions

Maintenance and Troubleshooting Tools of the G4260B Evaporative Light Scattering Detector, G7102A Evaporative Light Scattering Detector

Troubleshooting
Troubleshooting an HPLC System
General Problems

Maintenance and Troubleshooting Tools of the G7179A Assist Interface and the G7180A Assist Hub

Status Indicators
Block for Service
Overview of Available Tests and Tools
Maintenance and Troubleshooting Tools

Maintenance and Troubleshooting Tools for the G1170 Valve Drive and Valve Heads

Overview of the Module’s Indicators and Test Functions

Available Tests vs User Interfaces

Agilent Lab Advisor Software

Other Lab Advisor Functions

Instrument Control
EMFs - Early Maintenance Feedback Features of the G7114A/B Variable Wavelength Detector
EMFs - Early Maintenance Feedback Features of the G7117A Diode Array Detector FS, G7117B Diode Array Detector, G7117C Diode Array Detector HS
EMFs - Early Maintenance Feedback Features of the G7115A Diode Array Detector WR, G7165A Multiple Wavelength Detector
EMFs - Early Maintenance Feedback Features of the G7121A Fluorescence Detector, G7121B Fluorescence Detector Spectra
EMFs - Early Maintenance Feedback Features of the G7162A Refractive Index Detector, G7162B Refractive Index Detector
Spectral Scan (G7121B only)

Troubleshooting Reversed-Phase Chromatographic Techniques With HPLC Advisor

Baseline
Peak Shape
Pressure
Retention

Error Information

A Heater Sensor Reading Failed
A/D Overflow
ADC Not Calibrated
AIV Fuse
Alignment Procedure: Needle Command Failed
Allowed Volume Exceed
Automatic Referencing Procedure Failed
Axis-did-not-reach-its-target-position-in-time
Binary Pump Shutdown During Analysis
Calibration Values Invalid
Cannot Move Metering, the Metering Type Definition Is Incorrect
Check Seal Wash Flow Path for Proper Operation
Cleaning Procedure Failed
Cleanup After Abort Failed
Column Heater Not Connected
Command Failed Errors
Compensation Sensor Open
Compensation Sensor Short
Compressor Has Error
Cooler Condensate Sensor Defect
Cooler Condenser Fan Failed
Cooler PCB Is in Error Mode
Cover Violation
Current of Primary Pump Drive Too High
Current of Secondary Pump Drive Too High
Defect Connection Between Main Board and Pump Drive Encoder
Degasser: Limit Not Reached
Degasser: Signal Fail
Degasser: Vacuum Cannot Be Maintained
Degasser's Pressure Limit Violation
Deliver Underrun
Diode Current Leakage
Draw Command Aborted
Draw or Eject Command Failed due to Allowed Volume Exceeded
Drive Current Too High
Drive Current Too Low
Drive Encoder Error
Drive Encoder Failed
Drive Phases Differ Too Much in Electric Resistance
Drive Position Limit
Drive Timeout
DSP Not Running
Electronic Fuse of SSV Open
Encoder Index Not Found
Encoder Missing
UHX SENSOR ERROR
ERI Messages
Excitation Encoder Error
Fan Failed
Flash Lamp Current Overflow
Flash Trigger Lost
FLF Board Not Found
Flow Cell Removed
Flow Rate Limit Exceeded
Flush Pump Device Initialization Failed
Front Door Error
ADC Hardware Error
Grating or Filter Motor Errors
No Heater Current
Heater Defect
Heater at Fan Assembly Failed
Heater Fuse
Heater Has Power Supply Failure
Heater in Operating Error
Heater Over-Current Protection Active
Heater Power at Limit
Heater Resistance Too High
HEATEX OVERTEMP (left)
HEATEX OVERTEMP (right)
Wavelength Holmium Check Failed
Illegal Temperature Value from Sensor on Main Board
Illegal Temperature Value from Sensor at Air Inlet
Index Adjustment
Index Limit
Index Missing
Initialization Failed
Initialization Failed Errors
Initialization of Valve Failed
Injection Valve Initialization Failed
Injection Valve Position Not Found
Instrument Connection Lost
Insufficient Power of Drive Encoder LED
Invalid Degasser Pressure Signal
Invalid Vial Position Errors
Lamp Cover Open
Lamp Current too High
Lamp Current too Low
Lamp Ignition Failed
Lamp Voltage Too High
Lamp Voltage Too Low
Leak
Leak Sensor Open
Leak Sensor Short
LHS SENSOR ERROR (left)
LHS SENSOR ERROR (right)
LHX SENSOR ERROR (left)
LHX SENSOR ERROR (right)
Lost CAN Partner
Maximum Heater Temperature Exceeded
Maximum Stroke Is Too Short
Maximum Temperature Exceeded
MCGV/4CGV Fuse
MCGV Hardware Check Failed
Metering Device Initialization Failed
Metering Home Failed
Missing Vial Errors
Motor Alignment Failed
Motor Encoder Index Wrong
Motor Error
Motor Friction Too High
Motor or Encoder Not Found
Motor Overtemp
Motor Position Lost
Motor Position Not Found
Motor Speed Too Low
Motor Speed Unstable
Motor-Drive Power
Move Needle to Parkstation Failed
Multipurpose Valve Failed
Needle Hit the Vessel Bottom
Needle Up/Down Failed Errors
No Light at Reference Diode Despite Lamp Is On
Not Enough Light
Open Cover
Overcurrent of Pump Drive
Overcurrent of Solvent Selection Valve (SSV)
PELTIER ERROR (left)
PELTIER ERROR (right)
PELTIER OVERCURRENT (left)
PELTIER OVERCURRENT (right)
Peripheral Valve Initialization Failed
Peristaltic Pump Movement Failed
Position Cluster Partner Missing
Pressure Above Upper Limit
Pressure Below Lower Limit
Pressure Below Lower Limit
Pressure Cluster Partner Missing
Pressure of Binary Pump Above Upper Limit
Pressure of Quaternary Pump Above Upper Limit
Pressure Sensor Calibration Wrong or Missing
Pressure Signal Missing
Pump Drive Blocked or Encoder Failed
Pump Drive Encoder Defect
Pump Drive Encoder Error
Pump Drive Encoder Rollover
Pump Drive Error
Pump Drive Stop Not Found
Pump Drive Stroke Blocked
Pump Has Been Turned Off During Analysis
Pump Head Missing
Purge Time Running
Purge Valve Failed
Purge Valve Fuse Blown
Purge Valve Not Connected
Quaternary Pump Shutdown During Analysis
Reading of Multipurpose Valve Tag Failed
Reading of Purge Valve Tag Failed
Reading the Pump Encoder Tag Failed
Recycle Valve Fuse Blown
Recycle Valve Not Connected
Remote Timeout
Robot Drive Current Too High
Robot Drive Hardware Overcurrent
Sample Container Vessel Missing
Sample Temperature Control Sensor Electronics Calibration Failed
Sample Temperature Control Switched Off Due to Condensate
Sample Temperature Control Switched Off Due to Overpressure
Sample Temperature Control Switched Off Due to Supply Voltage Drop
Sample Temperature Control Voltage Too Low, Check Fuses and Wires
Sample Thermostat Type Unknown, Update Firmware
Sample Tray Not Inserted Correctly or Missing in Container
Sampler Alignment Procedure Command Failed
Sampler Transport Initialization Failed
Seal Wash Pump Was Missing when Tried to Turn On
Seat Back Flushing Failed
Servo Restart Failed
Shutdown
Solvent Counter Exceeded Limit
Solvent Zero Counter
SSV Protection Circuit Triggered
Start of Maintenance Procedure Failed Errors
Taking Needle from Parkstation Failed
Taking Sample Tray From Hotel Position Failed
Target Pressure Not Reached for Binary Pump Degasser
Target Pressure Not Reached for Quaternary Pump Degasser
Thermal Fuse Open
Thermostat Communication Error
Thermostat Fan Defect
Thermostat Sensor Defect
Timeout
Timeout During Axis Movement
Timeout: Wait for Composition
Timeout: Wait for Flow
Timeout: Wait for Pressure
Timeout: Wait for Run Volume
Timeout: Wait for Volume
Too Much Light
Transport Arm Position Lost During X-Axis Movement
Transport Motor Index Missing
Transport Motor Tag Cannot Be Read
Trend Analysis for the Heater Temperature Sensors Failed
UHX SENSOR ERROR (right)
Unbalanced Diodes
Undecipherable Temperature Signal
Unexpected Block During Axis Movement
Unexpected Block During Axis Movement
Unknown Multipurpose Valve Type
Unknown Purge Valve Type
UV Lamp: No Current
UV Lamp: No Voltage
Valve Failed
VALVE FAILED
Valve Hardware Overcurrent (MCGV)
VALVE INIT FAILED
Valve Switching Failed
Valve Tag Violation
Valve Tag Violation
VALVE TAG VIOLATION
Visible Lamp Current
Visible Lamp Voltage
VRef ADC0, ADC1 ERROR
Wait for Temperature Function Timed Out
Wait Function Timed Out
WAIT TIMEOUT (left)
WAIT TIMEOUT (right)
Wait Timeout
Wash Procedure Failed
Waste Counter Limit Exceeded
Wavelength Calibration Failed
Wavelength Calibration Lost
Wavelength Calibration Setting Failed
Wavelength Test Failed
Wavelength Recalibration Lost
Writing the Multipurpose Valve Tag Failed
Writing the Pump Encoder Tag Failed
Writing the Purge Valve Tag Failed
Wrong Temperature Profile
WRONG VALVE
Lamp Tag Not Present
Calib Delay Vol Two Peaks
Valve Switch Failed
Synchronization Lost
Missing Vial or Missing Well-plate

base-id: 3979572107

id: 54043199508018059

21-Jun-2025

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