SDS100/SDS200: low usb bus voltage

[Unidener]

I've seen other people mentioning the same error but no fixes or causes. All of my port work great UNLESS is use a Non Uniden USB cable.....don't know why UNLESS it could be a radio problem.....already found out that the keypad has a problem.....

I should be swapping my 100 for another new 100 soon so we will see what happens.......

I've also noticed that the 100 gets warm after hours of scanning....is that normal?

I just noticed that others have noticed the warm 100 after running for a while and now seems normal....

 

[W1KNE]

In the scanner menu, under Settings and Battery Options, set Set Charge While On to Disable to reduce current requirements.

This is a good setting I was unaware of, and will disable it. Thanks for the heads up on this.

 

[Unidener]

You need a DATA cable. Many USB cables only supply power. You need one thar has both data wires and power wires.

No serial means that on your PC that is running Proscan is set to the wrong input. You need to use device manager on your PC to see what "port" in the list of Com ports your SDS is connected to.

Yes....I'm sure I have some power only and I think it's about time to get a USB tester like that one in the link because it does test for DATA....UNLESS someone can suggest a different USB tester

 

[Unidener]

The USB output in the console of my vehicle does not supply enough current to power my SDS100. In the scanner menu, under Settings and Battery Options, set Set Charge While On to Disable to reduce current requirements.

It's set to Disable....about the first thing I did.....

 

[Unidener]

It's important that the power supply has a high voltage output. I've measured several of my 5V USB power supplies and some that are 4.95V or 5.0V will instantly give low USB voltage varnings. I have some that are up in the 5.5V region that works with any of my USB cables, even the longer ones. The scanner only takes 1.3A as max when scanning and charging that doesn't create much voltage drop in a cable.

Take a voltmeter and check what voltage you get from different power supplies and use the one with the highest voltage to the SDS100. Or get one of those USB voltage/ampere meters.

/Ubbe

I've always wanted a USB tester but the one you showed does not check for data.....

I may get this USB CABLE TESTER it's affordable but I'd rather have this USB Tester With Display

Suggestions....thoughts?

I also got my return shipping for my SDS100 since it has a Keyboard problem....maybe there is another problem as well with the voltage error?

Guess I'll eventually find out!

 

[donc13]

I've shared a Brand Store on Amazon with you. https://www.amazon.com/stores/BuyNo...ast_dp_brandLogo_sto&brandname=BuyNowKJ-KayJI

 

[Ubbe]

Suggestions....thoughts?

It's 10 times more expensive but perhaps also 10 times more useful. It has all the connector types as well as checking if and what type of USB data that flows. The only thing missing are the actual data rate measuring. If you do a lot of construction or building interface using USB then it can be very handy to check things out.

But if only checking voltage and ampere then a more cheaper one will do the job.

/Ubbe

 

[dave3825]

If they don’t measure data flow then they are most likely doing simple continuity tests over the wires. All wires can be checked for continuity using a simple volt meter or a battery powered continuity tester.

The better test to do can be done with almost any cheap multimeter and its called a resistance test. The closer to 0 ohms the better it is. If you have a cable and one or more wires have high resistance, that's the same as having a bad connection.


To test the PC USB, scanner USB and cable all while connected, its best to probe each connecter where it is soldered to the board.

 

[Unidener]

It's 10 times more expensive but perhaps also 10 times more useful. It has all the connector types as well as checking if and what type of USB data that flows. The only thing missing are the actual data rate measuring. If you do a lot of construction or building interface using USB then it can be very handy to check things out.

But if only checking voltage and ampere then a more cheaper one will do the job.

/Ubbe

It would be nice to show data throughput and I've seen it on one.... gotta start making a list....

But YES is also want to include data info....I know I have some power only and I would like to label some of these...

Think I will do more research while I'm saving money.......time to do some laundry

 

[Unidener]

If they don’t measure data flow then they are most likely doing simple continuity tests over the wires. All wires can be checked for continuity using a simple volt meter or a battery powered continuity tester.

The better test to do can be done with almost any cheap multimeter and its called a resistance test. The closer to 0 ohms the better it is. If you have a cable and one or more wires have high resistance, that's the same as having a bad connection.


To test the PC USB, scanner USB and cable all while connected, its best to probe each connecter where it is soldered to the board.

I'm thinking about this TESTER .......

 

[dave3825]

Looks like all it does is confirm continuity and not resistance.

If it were me, which it is not, this is my tester lol

https://www.harborfreight.com/7-function-digital-multimeter-59434.html

There is a problem somewhere and hopefully it is with the scanner since that’s being returned/exchanged.