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Chapter XIII Troubleshooting and Repair
This chapter will introduce how to find out problems and receive the after-sales service. Interpretation of internal
errors of the spectrum analyzer is also included.
If you have any problem in operation of S3302 series spectrum analyzer or want to purchase related components,
options or accessories, we will provide complete after-sales services.
In general, the trouble is caused by failure of hardware/software or users' misuse. Please contact us immediately in
case of any trouble. If the warranty is valid, we will provide maintenance services free of charge according to the
commitment in the warranty; otherwise, we will charge costs.
Section 1 Fault Information Description
This section will help you to simply judge and deal with faults of S3302 series spectrum analyzer. If necessary, report the problems to us as accurately as
possible so that we can solve the problems as soon as possible.
You can check S3302 series instrument according to the following prompts in the case of any fault: Please contact
us if the failure cannot be removed.
 If S3302 series cannot be started when the Power key is pressed, check whether the power supply is normal,
whether the adapter indicator is ON and whether the power supply battery is normal. If the above items are
normal, the instrument failure may occur. In this case, contact us for repair.
 If the system or applicable program fails after start-up of S3302 series instrument, press [Reset] to recover the
known state. If S3302 still cannot work properly, an instrument failure may occur. In this case, contact us for
repair.
 If the performance indicators of S3302 series are abnormal, check whether the test tools and test environment
conform to the requirements, whether the connector of the test port is damaged and whether the performance
indicators of the calibration kit are normal. If the above items are normal, instrument failure may occur. In this
case, contact us for repair.
 If LAN communication of S3302 series fails. First check the IP address and the yellow indicator beside the LAN
interface on the top panel. If the indicator does not flicker, check the LAN cable and connections. If all the
above items are in good conditions, it indicates that the instrument may be faulty. Contact us for repair.