# LimeSDR Errors

**URL:** <https://discourse.myriadrf.org/t/limesdr-errors/5208>\
**Category:** General Discussion\
**Created:** [30 September 2019 09:19 UTC](https://discourse.myriadrf.org/t/limesdr-errors/5208 "2019-09-30T09:19:35Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![ronaldjeden](https://avatars.discourse-cdn.com/v4/letter/r/b3f665/32.png) [@ronaldjeden](https://discourse.myriadrf.org/u/ronaldjeden)\
**Post date:** [30 September 2019 09:19 UTC](https://discourse.myriadrf.org/t/limesdr-errors/5208/1 "2019-09-30T09:19:35Z")

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HI all,

Just received my LimeSDR and it is giving me the errors below. Can you guys confirm that the board is a DOA?

[RF Loopback Test]  
-\>Configure LMS  
-\>Run Tests (TX\_2-\> LNA\_L):  
CH0 (SXR=800.0MHz, SXT=805.0MHz): Result:(-13.8 dBFS, 5.00 MHz) - PASSED  
CH1 (SXR=800.0MHz, SXT=805.0MHz): Result:(-17.6 dBFS, 5.00 MHz) - PASSED  
-\>Run Tests (TX\_1 -\> LNA\_W):  
CH0 (SXR=1800.0MHz, SXT=1805.0MHz): Result:(-20.0 dBFS, 5.00 MHz) - PASSED  
CH1 (SXR=1800.0MHz, SXT=1805.0MHz): Result:(-22.4 dBFS, 5.00 MHz) - FAILED  
-\>Run Tests (TX\_2-\> LNA\_H):  
CH0 (SXR=2500.0MHz, SXT=2505.0MHz): Result:(-18.5 dBFS, 5.00 MHz) - PASSED  
CH1 (SXR=2500.0MHz, SXT=2505.0MHz): Result:(-14.7 dBFS, 5.00 MHz) - PASSED  
-\>RF Loopback Test FAILED

=\> Board tests FAILED \<=  
[RF Loopback Test]  
-\>Configure LMS  
-\>Run Tests (TX\_2-\> LNA\_L):  
CH0 (SXR=800.0MHz, SXT=805.0MHz): Result:(-14.0 dBFS, 5.00 MHz) - PASSED  
CH1 (SXR=800.0MHz, SXT=805.0MHz): Result:(-17.8 dBFS, 5.00 MHz) - PASSED  
-\>Run Tests (TX\_1 -\> LNA\_W):  
CH0 (SXR=1800.0MHz, SXT=1805.0MHz): Result:(-20.2 dBFS, 5.00 MHz) - PASSED  
CH1 (SXR=1800.0MHz, SXT=1805.0MHz): Result:(-24.1 dBFS, 5.00 MHz) - FAILED  
-\>Run Tests (TX\_2-\> LNA\_H):  
CH0 (SXR=2500.0MHz, SXT=2505.0MHz): Result:(-19.9 dBFS, 5.00 MHz) - PASSED  
CH1 (SXR=2500.0MHz, SXT=2505.0MHz): Result:(-14.6 dBFS, 5.00 MHz) - PASSED  
-\>RF Loopback Test FAILED

=\> Board tests FAILED \<=  
[RF Loopback Test]  
-\>Configure LMS  
-\>Run Tests (TX\_2-\> LNA\_L):  
CH0 (SXR=800.0MHz, SXT=805.0MHz): Result:(-17.4 dBFS, 5.00 MHz) - PASSED  
CH1 (SXR=800.0MHz, SXT=805.0MHz): Result:(-17.7 dBFS, 5.00 MHz) - PASSED  
-\>Run Tests (TX\_1 -\> LNA\_W):  
CH0 (SXR=1800.0MHz, SXT=1805.0MHz): Result:(-20.4 dBFS, 5.00 MHz) - PASSED  
CH1 (SXR=1800.0MHz, SXT=1805.0MHz): Result:(-24.3 dBFS, 5.00 MHz) - FAILED  
-\>Run Tests (TX\_2-\> LNA\_H):  
CH0 (SXR=2500.0MHz, SXT=2505.0MHz): Result:(-20.0 dBFS, 5.00 MHz) - PASSED  
CH1 (SXR=2500.0MHz, SXT=2505.0MHz): Result:(-14.8 dBFS, 5.00 MHz) - PASSED  
-\>RF Loopback Test FAILED  
[RF Loopback Test]  
-\>Configure LMS  
-\>Run Tests (TX\_2-\> LNA\_L):  
CH0 (SXR=800.0MHz, SXT=805.0MHz): Result:(-16.9 dBFS, 5.00 MHz) - PASSED  
CH1 (SXR=800.0MHz, SXT=805.0MHz): Result:(-18.0 dBFS, 5.00 MHz) - PASSED  
-\>Run Tests (TX\_1 -\> LNA\_W):  
CH0 (SXR=1800.0MHz, SXT=1805.0MHz): Result:(-20.7 dBFS, 5.00 MHz) - PASSED  
CH1 (SXR=1800.0MHz, SXT=1805.0MHz): Result:(-24.6 dBFS, 5.00 MHz) - FAILED  
-\>Run Tests (TX\_2-\> LNA\_H):  
CH0 (SXR=2500.0MHz, SXT=2505.0MHz): Result:(-40.7 dBFS, 10.34 MHz) - FAILED  
CH1 (SXR=2500.0MHz, SXT=2505.0MHz): Result:(-43.6 dBFS, 10.54 MHz) - FAILED  
-\>RF Loopback Test FAILED

=\> Board tests FAILED \<=

Elapsed time: 3.75 seconds

Please advise urgently

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<div class="post-metadata">

**Author:** ![Zack](https://yyz2.discourse-cdn.com/flex034/user_avatar/discourse.myriadrf.org/zack/32/89_2.png) [@Zack](https://discourse.myriadrf.org/u/Zack)\
**Post date:** [1 October 2019 08:05 UTC](https://discourse.myriadrf.org/t/limesdr-errors/5208/2 "2019-10-01T08:05:02Z")

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Hi @ronaldjeden,

Do you have something connected to RF inputs/outputs?

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**Author:** ![ronaldjeden2](https://avatars.discourse-cdn.com/v4/letter/r/57b2e6/32.png) [@ronaldjeden2](https://discourse.myriadrf.org/u/ronaldjeden2)\
**Post date:** [3 October 2019 07:11 UTC](https://discourse.myriadrf.org/t/limesdr-errors/5208/3 "2019-10-03T07:11:08Z")

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HI, for some reason I could not add comments so I have created a new account ronaldjeden2.

I bought the one with the antennas included. Tried them on different places but no joy.

Any other ideas? Is it a DOA?

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**Author:** ![Zack](https://yyz2.discourse-cdn.com/flex034/user_avatar/discourse.myriadrf.org/zack/32/89_2.png) [@Zack](https://discourse.myriadrf.org/u/Zack)\
**Post date:** [3 October 2019 08:33 UTC](https://discourse.myriadrf.org/t/limesdr-errors/5208/4 "2019-10-03T08:33:57Z")

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Hi @ronaldjeden2,

Disconnect antennas ant try tests again, please.

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**Author:** ![ronaldjeden2](https://avatars.discourse-cdn.com/v4/letter/r/57b2e6/32.png) [@ronaldjeden2](https://discourse.myriadrf.org/u/ronaldjeden2)\
**Post date:** [3 October 2019 16:13 UTC](https://discourse.myriadrf.org/t/limesdr-errors/5208/5 "2019-10-03T16:13:06Z")

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Hi,

I did but no joy. With and also without. Same errors.

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**Author:** ![ronaldjeden2](https://avatars.discourse-cdn.com/v4/letter/r/57b2e6/32.png) [@ronaldjeden2](https://discourse.myriadrf.org/u/ronaldjeden2)\
**Post date:** [3 October 2019 17:34 UTC](https://discourse.myriadrf.org/t/limesdr-errors/5208/6 "2019-10-03T17:34:12Z")

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I did all of these things:

Tried VM Ubuntu, Windows 10, even a bare-metal with Ubuntu, USB2 and USB3 ports, change the antennas removed antenna’s changed firmware…

My vendor (Antratek) says they can only assist me if I got a valid RMA.

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**Author:** ![ronaldjeden2](https://avatars.discourse-cdn.com/v4/letter/r/57b2e6/32.png) [@ronaldjeden2](https://discourse.myriadrf.org/u/ronaldjeden2)\
**Post date:** [4 October 2019 12:41 UTC](https://discourse.myriadrf.org/t/limesdr-errors/5208/7 "2019-10-04T12:41:56Z")

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Hi guys Any update?

Can I return the device to my vendor?

latest errors:

[RF Loopback Test]  
-\>Configure LMS  
-\>Run Tests (TX\_2-\> LNA\_L):  
CH0 (SXR=800.0MHz, SXT=805.0MHz): Result:(-15.1 dBFS, 5.00 MHz) - PASSED  
CH1 (SXR=800.0MHz, SXT=805.0MHz): Result:(-17.3 dBFS, 5.00 MHz) - PASSED  
-\>Run Tests (TX\_1 -\> LNA\_W):  
CH0 (SXR=1800.0MHz, SXT=1805.0MHz): Result:(-26.2 dBFS, 5.00 MHz) - FAILED  
CH1 (SXR=1800.0MHz, SXT=1805.0MHz): Result:(-26.9 dBFS, 5.00 MHz) - FAILED  
-\>Run Tests (TX\_2-\> LNA\_H):  
CH0 (SXR=2500.0MHz, SXT=2505.0MHz): Result:(-18.3 dBFS, 5.00 MHz) - PASSED  
CH1 (SXR=2500.0MHz, SXT=2505.0MHz): Result:(-15.2 dBFS, 5.00 MHz) - PASSED  
-\>RF Loopback Test FAILED

=\> Board tests FAILED \<=

Elapsed time: 1.91 seconds

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<div class="post-metadata">

**Author:** ![Zack](https://yyz2.discourse-cdn.com/flex034/user_avatar/discourse.myriadrf.org/zack/32/89_2.png) [@Zack](https://discourse.myriadrf.org/u/Zack)\
**Post date:** [11 October 2019 07:58 UTC](https://discourse.myriadrf.org/t/limesdr-errors/5208/8 "2019-10-11T07:58:54Z")

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Hi @ronaldjeden2,

Arrange RMA, please.