Ceyear 87230 Series, Quick Start Manual

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4 Getting Help
4.2 Error Information
19
Generally, problems come from hardware and software errors and inappropriate use. The 87230 series
USB CW power sensor may have the following types of faults:

The USB device can’t be found;

The LED green indicator lamp has no display;

Unexpected phenomena, such as misoperation and obvious errors of the measurement result.
4.1.1 Failure to find the USB device
If the USB device can’t be found in the computer equipment manager after power on, please check it
with the following steps:
Step 1. Please confirm whether the USB cable is connected normally, and whether the USB power
supply is normal;
Step 2. Please confirm whether several USB devices are connected, and please use USB HUB with
external power supply when necessary;
Step 3. Please confirm whether the host is installed with the VISA library and driver correctly.
4.1.2 Lighting failure LED green indicator lamp
If the LED green indicator lamp of the sensor keeps off after power on, please check it with the following
steps:
Step 1. Confirm whether the USB cable is connected normally;
Step 2. Confirm whether the host is powered on, and whether the USB host interface is normal.
4.1.3 Accidental phenomena
Many factors may result in unexpected phenomena during use. Determine cause of faults of the
instrument by referring to the following inspection procedures through which the problems can be solved
or the causes of problems can be judged clearly.

Check whether the mechanical connection of the USB cable is correct, and whether the electric
characteristics are compatible;

When the problems appears after some settings are made, check the operation and confirm that all
settings are correct. If the test is completed, please check whether the measurement result is
consistent with the tested signal, and whether the performance indicator of the sensor is satisfied.

If the result provided by the instrument is out of expectation and it is hard to determine whether the
settings of the instrument are correct, unplug and plug it again, and then set it up according to the
tested signal and test requirements.
4.2 Error Information
If the operation is improper or the configuration is incorrect during actual use, the system will
automatically provide error information. The user can roughly judge the type of problem based on the
error prompt and take corresponding measures for troubleshooting or get the instrument repaired.
Click in the user power test panel to check the recent error information.
For detailed description of the error information, please refer to the Programming Manual of the 87230
Series USB CW Power Sensor .
4.3 Repair Methods
4.3.1 Contact us
When the 87230 series USB CW power sensor incurs a problem, observe and save error information,
analyze the possible causes and eliminate and solve the problems according to the methods provided in
the section “
4.1. Fault diagnosis and troubleshooting
”. If the fault is not solved, please contact our
service center according to the following contact information and provide the collected error information,