Dionex AS AP Service Manual

The Dionex AS AP is an advanced automated sample preparation system designed for chromatographic analysis applications. This system features automated sample handling, precision fluid delivery, integrated temperature control, multiple solvent channels, programmable methods, and compatibility with various Dionex chromatography systems. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operating Procedures 8. Maintenance Procedures 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Automated sample tray, Solvent delivery system, Temperature-controlled compartment, User interface panel, Communication ports, Waste collection system.

FeatureDescription
Sample TrayAutomated handling for up to 96 samples with barcode reading capability
Solvent ChannelsFour independent solvent channels with precision pumping
Temperature ControlProgrammable temperature range 4°C to 40°C
User InterfaceTouchscreen display with intuitive software interface
Communication PortsUSB, Ethernet, and serial communication interfaces
Waste SystemIntegrated waste collection with level detection
Method StorageCapacity for 50 user-defined methods
Power Input100-240V AC, 50/60Hz universal power supply
Emergency StopIntegrated safety stop button
Status IndicatorsLED indicators for system status and alerts

Installation

Unpack and inspect contents. Place on stable, level laboratory bench.

  1. Position the system: Ensure adequate clearance for ventilation and access.
  2. Connect solvent lines: Install solvent reservoirs and connect tubing to appropriate ports.
  3. Connect waste system: Attach waste container and ensure proper drainage.
  4. Power connection: Plug into appropriate laboratory power outlet.
  5. Communication setup: Connect to computer or network if required.

WARNING! System contains sensitive electronic components; handle with care. Ensure proper grounding.

First-Time Setup

Power on system; follow initialization procedure.

  1. System initialization: Allow system to complete self-test and calibration.
  2. Solvent priming: Prime all solvent lines to remove air bubbles.
  3. Method configuration: Set up initial analysis methods or load predefined methods.
  4. Communication setup: Configure network settings and computer interface.
  5. User accounts: Set up operator accounts with appropriate access levels.

CAUTION! Use only recommended solvents and reagents. Follow laboratory safety protocols.

Specifications

Controls and Settings

Access system controls via touchscreen interface or remote software.

Front Panel: Power button, Emergency stop, Touchscreen display, Status indicators.

Software Interface: Method setup, Sample queue management, Real-time monitoring, Data logging, System diagnostics. Temperature Control: Setpoint adjustment, Ramp programming, Stability monitoring. Solvent Management: Channel selection, Flow rate programming, Gradient methods, Purge functions. Sample Handling: Tray position control, Injection volume, Wash cycles, Needle positioning.

Connecting Devices

Connect to chromatography systems, computers, and peripheral devices.

  1. Turn off system before making connections.
  2. Connect to chromatography system: Use appropriate interface cables.
  3. Computer connection: Connect via USB or Ethernet for remote control.
  4. Network setup: Configure IP settings for laboratory network integration.
  5. Peripheral devices: Connect barcode readers or additional accessories.

Tip: Use shielded cables for communication connections to minimize interference.

Operating Procedures

Standard operating sequence for sample analysis.

  1. System preparation: Prime solvents, equilibrate temperature, initialize system.
  2. Sample loading: Place samples in tray, verify barcode reading if applicable.
  3. Method selection: Choose appropriate analysis method from stored methods.
  4. Run initiation: Start analysis sequence, monitor progress.
  5. Data collection: System automatically collects and stores analysis data.
  6. System shutdown: Complete wash cycles, return to standby temperature.
  7. Sample retrieval: Remove processed samples from tray.

WARNING! Follow proper laboratory procedures for handling chemical samples.

Maintenance Procedures

Routine maintenance schedule and procedures.

  1. Daily: Check solvent levels, inspect for leaks, clean exterior surfaces.
  2. Weekly: Perform system performance verification, clean sample needle.
  3. Monthly: Replace solvent filters, calibrate temperature sensors.
  4. Quarterly: Perform comprehensive system calibration, replace seals as needed.
  5. Annual: Professional service and certification recommended.

CAUTION! Always power off system before performing maintenance.

Care & Cleaning

Proper cleaning procedures for system components.

Exterior surfaces: Use mild detergent and soft cloth. Sample tray: Clean with appropriate laboratory cleaners. Solvent lines: Flush with compatible solvents. Optical components: Use lens cleaning materials only.

CAUTION! Do not use abrasive cleaners or solvents that may damage components.

Regulatory Information

CE Mark: Complies with European Union safety standards. FDA: Meets requirements for laboratory instrumentation. RoHS: Compliant with Restriction of Hazardous Substances directive. Copyright © 2024 Thermo Fisher Scientific; trademarks of Thermo Fisher Scientific Inc. For technical support, visit www.thermofisher.com or contact 1-800-532-4752.

Troubleshooting

SymptomPossible CauseCorrective Action
System not powering onPower connection/fuseCheck power cord connection; verify outlet power; check fuse.
Pressure fluctuationsAir bubbles/blockagePrime solvent lines; check for blockages; replace filters.
Temperature instabilitySensor/control issueVerify sensor calibration; check cooling system; service if needed.
Communication errorsCable/network issuesCheck cable connections; verify network settings; restart system.
Sample injection failureNeedle/seal issuesClean injection needle; replace seals; verify positioning.

Reset: System menu > Maintenance > System reset if available.

Service: 1-800-532-4752; www.thermofisher.com

Dionex AS AP Service Manual © - All Rights Reserved 2025