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How to Service Your GSI TympStar Middle-Ear Analyzer



How to Service Your GSI TympStar Middle-Ear Analyzer




The GSI TympStar is a clinical tympanometer that performs a range of middle ear measurements on patients of all ages. It is available in two versions: Version 1 and Version 2, which have some differences in features and specifications. To ensure the accuracy and reliability of your GSI TympStar, you should follow the service manual provided by the manufacturer.


The service manual covers the following topics:


  • General information about the GSI TympStar, such as environmental conditions, calibration requirements, and standards compliance.



  • Version 2 specifications, such as sensitivity ranges, temporal latency, multi frequency, probe signal, pneumatic system, and acoustic reflex activating signal.



  • Troubleshooting procedures for common problems, such as error messages, display issues, probe issues, printer issues, and battery issues.



  • Service procedures for replacing parts, such as LCD screen, keyboard assembly, probe assembly, printer assembly, battery pack, and power supply.



  • Calibration procedures for verifying and adjusting the performance of the GSI TympStar, such as probe tone level, reflex stimulus level, reflex decay level, and pressure transducer.



The service manual is available online at [^1^]. You can also contact Grason-Stadler for technical support at +1-800-700-2282 or support@grason-stadler.com.


gsi tympstar service manual

In this article, we will continue to explain how to service your GSI TympStar middle-ear analyzer. We will focus on the troubleshooting procedures for common problems that may occur with your device.


Troubleshooting Procedures




If you encounter any problems with your GSI TympStar, you should first check the error messages that appear on the display. The error messages provide information about the nature and possible causes of the problem. You can also refer to the service manual for a list of error codes and their meanings.


Some of the common error messages and their solutions are:


  • ERR 0001: Probe Tone Level Out of Range. This means that the probe tone level is too high or too low for the selected frequency. You should check the probe assembly for any blockage or damage, and replace it if necessary. You should also verify and adjust the probe tone level using the calibration procedure.



  • ERR 0002: Reflex Stimulus Level Out of Range. This means that the reflex stimulus level is too high or too low for the selected frequency. You should check the reflex speaker for any blockage or damage, and replace it if necessary. You should also verify and adjust the reflex stimulus level using the calibration procedure.



  • ERR 0003: Reflex Decay Level Out of Range. This means that the reflex decay level is too high or too low for the selected frequency. You should check the reflex speaker for any blockage or damage, and replace it if necessary. You should also verify and adjust the reflex decay level using the calibration procedure.



  • ERR 0004: Pressure Transducer Out of Range. This means that the pressure transducer is not reading correctly. You should check the pneumatic system for any leaks or blockages, and replace any faulty parts if necessary. You should also verify and adjust the pressure transducer using the calibration procedure.



  • ERR 0041: DFT Limit Too Big. This means that while performing 2.0cc compliance calibration, the signal processor ensures that the measured compliance at a nominal gain setting allows for enough span in DFT calculation[^1^]. You should check the probe assembly for any blockage or damage, and replace it if necessary. You should also repeat the 2.0cc compliance calibration procedure.



If you do not see any error messages on the display, but you still experience problems with your GSI TympStar, you should check the following components:


  • Display: If the display is blank or distorted, you should check the power supply and battery pack for any faults, and replace them if necessary. You should also check the LCD screen and circuit board for any damage, and replace them if necessary.



  • Keyboard: If some or all of the keys are not working properly, you should check the keyboard assembly for any damage, and replace it if necessary.



  • Probe: If you cannot obtain a seal or a measurement with the probe, you should check the probe assembly for any blockage or damage, and replace it if necessary. You should also check the probe cable and connector for any faults, and replace them if necessary.



  • Printer: If you cannot print or receive an error message related to printing, you should check the printer assembly for any damage, and replace it if necessary. You should also check the printer paper and ribbon for any faults, and replace them if necessary.



  • Battery: If you cannot operate your GSI TympStar on battery power or receive a low battery warning, you should check the battery pack for any dama