Thermo Spectronic GENESYS 6 User Manual

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Table of Contents

Questions and Answers:

J
Jacqueline RyanAug 5, 2025
How to troubleshoot a Thermo Measuring Instruments unit that has no power?
- B
  Bethany SmithAug 5, 2025
  If your Thermo Measuring Instruments unit isn't receiving power, try the following: * Ensure the power cord is securely plugged into both the rear of the instrument and the outlet. * Test a different power outlet. * Check and replace the fuse(s) if necessary, making sure they are correctly installed. If the new fuse(s) blow again, fix the underlying problem before trying another fuse. * Consider replacing the power supply or the cable from the power supply to J5 on the Main board, ensuring it's securely connected.
C
Catherine StricklandAug 10, 2025
What to do if Thermo Measuring Instruments filter wheel turns, but shows 'Cannot calibrate the filter wheel'?
- J
  Johnny BeckAug 10, 2025
  If the filter wheel on your Thermo Measuring Instruments turns but displays a “Cannot calibrate the filter wheel” message, consider these steps: * Clean the filter wheel, tighten the set screw on the gear, or replace the filter wheel if it's binding or slipping. * Ensure the sample compartment door is closed during initialization. * Remove any obstructions blocking the light beam. * Replace the lamp if it's blown, and ensure the lamp cable from the lamp to J12 on the Main board is securely connected. * Align the optics if the optical path is not aligned. * Ensure the detector is securely connected. * Check cable connections, the power supply, and consider replacing the detector or main board if the instrument isn't recognizing changes in energy.
M
marvin59Aug 13, 2025
What to do if Thermo Measuring Instruments display does not light up?
- C
  Carla RiveraAug 14, 2025
  If the display on your Thermo Measuring Instruments doesn't light up after powering on, try these solutions: * Ensure the cable from the display board to connector J9 on the Main board is securely connected; replace the cable if necessary. * Make sure the display cables are correctly installed. * If the issue persists, replace the display or the Main board.
G
gmurphyAug 18, 2025
What to do if Thermo Measuring Instruments does not get past 'Finding zero order' message?
- N
  nwoodAug 18, 2025
  If your Thermo Measuring Instruments gets stuck on the “Finding zero order…” message and displays “Instrument not calibrated”, try the following: * Remove any obstructions blocking the light beam in the sample compartment. * Clean or replace dirty mirrors or optics. * Replace the lamp if it is old. * Align the grating mount if the grating is binding. * As a last resort, replace the detector or Main board.
D
Denise OlsonAug 22, 2025
Why my Thermo Measuring Instruments beeps continuously when turned on?
- M
  Misty JamesAug 22, 2025
  If your Thermo Measuring Instruments unit emits a continuous beep when turned on, the keypad circuitry may be shorted or a key may be malfunctioning. Replace the keypad to resolve this issue.
C
Christopher DavisAug 27, 2025
What to do if Thermo Measuring Instruments filter wheel does not turn and shows 'Calibrating filter wheel message'?
- W
  walkershaneAug 27, 2025
  If the filter wheel on your Thermo Measuring Instruments does not attempt to turn during initialization and continuously displays “Calibrating filter wheel message”, consider the following: * Clean or replace the filter wheel if it is binding. * Ensure the jumper W1 is correctly installed on the Main board. * Check and replace the cable from the filter wheel motor to connector J1 on the Main board, and the cable from the grating motor to J2 connector on the Main board, ensuring they are securely connected. * Replace the filter wheel motor, grating limit switch, or grating motor if they are malfunctioning.
M
Michael FloresAug 30, 2025
How to fix dark background with light text on Thermo Measuring Instruments display?
- P
  petersontaylorAug 31, 2025
  To fix a dark background with light text on your Thermo Measuring Instruments display: * Run the Service software to recalibrate the instrument and reset the display after pressing the ? and ENTER keys simultaneously at power up. * Install or replace the battery and then run the Service software to recalibrate the instrument and reset the display if the battery is dead or not installed. * If the problem persists, replace the Main board and run the Service software to recalibrate the instrument and reset the display.

Thermo Spectronic GENESYS 6 Specifications

General

Type	UV-Visible Spectrophotometer
Wavelength Range	190 - 1100 nm
Detector	Silicon Photodiode
Light Source	Tungsten Halogen and Deuterium
Display	LCD
Connectivity	RS-232
Power Requirements	100-240 V, 50/60 Hz

Summary

General Safety Notes

Safety Symbols Explained

Explains warning symbols used in the manual for user safety.

Chapter 2 Inspection and Performance Checklist

Inspection/Performance Checklist

A checklist for field inspection and performance verification of the instrument.

Chapter 3 Troubleshooting Guide

Initialization Sequence

Steps for the instrument's startup initialization sequence.

Filter Wheel Positions

Troubleshooting Chart

Table listing symptoms, probable causes, and corrective actions.

Chapter 4 Routine Maintenance

Cleaning Procedures

Tungsten Lamp Replacement

Step-by-step guide for replacing the tungsten lamp safely.

Fuse Replacement Procedure

Chapter 5 Disassembly and Replacement

External Covers Removal

Safety precautions and steps for removing external covers.

Bottom Cover [Main Board]

Bottom Cover [Power Supply]

Top Cover Removal

Light Source Replacement

Power Supply Replacement

Safety precautions and steps for replacing the instrument's power supply.

Main (CPU) Circuit Board Replacement

Instructions for removing and replacing the main CPU circuit board.

Chapter 6 Optical Alignment

Mirror Adjustments

Alignment Sequence

Procedure for aligning optical components using specific tools.

Align Source Mirror A

Align Monochromator Mirror B1

Align Monochromator Mirror B2

Align Sample Mirror C

Beam Alignment with Microcell

Procedure for aligning the beam path using a microcell.

Chapter 9 Service Diagnostics Software

Port Open Error Troubleshooting

Troubleshooting messages and causes for communication port errors.

Connection Error Troubleshooting

Common causes for failure to establish instrument connection.

Checkbox Functions

Button Functions: Connect

Button Functions: Disconnect

Reset Spectronic GENESYS 10

Procedure for performing a full power-up reboot sequence.

Query Instrument Status

Update Settings

Calibrate Instrument

Steps for performing wavelength calibration, including filter requirements.

Wavelength Calibration Window

Interface for setting and performing wavelength calibration.

Filter and Turret Control

Alignment Tool Utility

Utility to check limit switches and set zero order before mirror alignment.

Seek Limit Switch

Seek Zero Order

Procedure to check and adjust the zero order position of the light beam.

Flash Xenon Lamp

Control to flash the Xenon lamp for optical alignment procedures.

Detector Board Diagnostic

Tool to test detector operation and adjust gain settings.

Chapter 10 RS232 Commands

Data Commands

RS232 commands for acquiring ABS, CONC, TRANS, and UNIT data.

Instrument Control Commands

Commands for controlling grating wavelength and turret position.

Miscellaneous Commands

Immediate Commands: Special Control-Keys

Chapter 11 Technical Support Bulletins

TSB S-391: New Display/Power Supply

TSB S-399: New Firmware

TSB S-400: Upgrade to Flashable EEPROM

Procedure for upgrading instrument firmware via EEPROM replacement.

EEPROM Replacement (Firmware Rev. 1.030 and earlier)

Detailed steps for physically replacing the instrument's ROM IC.

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