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BaofengUV5R » History » Version 30

Dan Smith, 12/07/2022 06:39 PM

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# Baofeng UV5R / UV82 (and variants)
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This page provides general tips and troubleshooting for the Baofeng UV-5R, UV-82, and related radios (See [[Baofeng_UV5R_Variants]]). The UV-5R is the base model for a lot of variants, so this page will apply to many more people than just those with that specific badge on their radio. This information is a summarized version of the Miklor page on the subject. Go there for [more detailed information](http://www.miklor.com/COM/UV_ErrorMess.php)
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## Common Errors
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- Radio Did Not Respond
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- Unable to Program
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- Radio did Not Ack Programming Mode
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- Radio did Not Ack first command
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- Radio Radio refused to enter Programming Mode 
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This is a very common problem. Slightly offset audio jacks could be the problem. Make sure the connector is snapped in all the way. Some cables require a really hard push to snap in that last 1/16 inch. One indication is that the transmitter may be keyed. A slight trimming of the cable's plug side and edge may be required.
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The GT3 and similar radios with optional case designs may require a slightly different approach to trimming the cable. The cable cannot seat properly, not because it is misaligned, but rather the ridge on the case may be protruding out too far. 
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The cable may still need to be trimmed, but from the cable tension area. Here is a [Graphic and Possible Solution](http://www.miklor.com/COM/UV_ErrorMess.php#error1)
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### Error has Occurred, Could not open Com Port x
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Each USB slot is connected to a separate com port to avoid conflict. Changing your USB slot will change the com port number.
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After making this change, you must unplug and replug your USB programming cable for the new com port number to be effective.
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### Run-time error 8020: Error reading from comm device.
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### Cannot Start (Code 10) in Windows 8 
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Error occurs if Prolific driver version is higher than v3.2.0.0
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You need to [Downgrade to v3.2.0.0](http://www.miklor.com/COM/UV_Drivers.php)
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### Support errors
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- CHIRP does not support my (Model Radio)
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- Radio Version Not Supported
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- Failed to communicate with radio: global name 'vendors' is not defined
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These messages are generated if you are running a much older version of CHIRP.   You must upgrade to CHIRP's Latest Daily Build.
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### Fail Connect with Transceiver (UV5R / UV82 series)
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This message is generated by the Factory Software.  It can occur when:
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1.  (UV-5R)   Incorrect software version for your firmware release. BFB290 and_prior, and  BFB291_and_later require different software. They are not interchangeable. 
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2.  Your radio is not turned ON when trying to program.
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3.  You are receiving a signal while trying to connect.
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         (tune to a quiet channel or remove antenna.)
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4.  Your cable is not plugged in all the way.  (See above)
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5.  This can also occur if other software is running on your PC that may be loading down the CPU.  Close ALL unrelated software and try again.
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### Store the file name in nullity
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Occurs when trying to save a data file using the Factory Software. 
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This error occurs when you don't have a valid filename for the file being saved. The filename entered MUST include the .dat suffix. filename.dat
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### Cable without Echo Loopback 
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This indicates that the RX and TX serial lines have not been connected together with a loopback device (a plug that connects the RX and TX lines of a serial port connector for testing) so the characters being sent on the TX line are not being echoed back on the RX line.
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### Driver Issues 
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Many of the inexpensive programming cables are not the bargain they appear. 
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Due to Prolific USB/Serial chip 'clones' found in generic USB programming cables, an older driver is required in lieu of the driver now automatically supplied by Windows. for [more detailed information](http://http://www.miklor.com/COM/UV_Drivers.php)