# LimeSDR QuickTest Fail - Request RMA **URL:** \ **Category:** LimeSDR\ **Created:** [14 December 2019 14:06 UTC](https://discourse.myriadrf.org/t/limesdr-quicktest-fail-request-rma/5480 "2019-12-14T14:06:41Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Timmy](https://avatars.discourse-cdn.com/v4/letter/t/ed8c4c/32.png) [@Timmy](https://discourse.myriadrf.org/u/Timmy)\ **Post date:** [14 December 2019 14:06 UTC](https://discourse.myriadrf.org/t/limesdr-quicktest-fail-request-rma/5480/1 "2019-12-14T14:06:41Z")
hello~ **I have a limeSDR, I use it carefully, but it keeps having problems. After I removed all the antenna cables，I can’t pass the Lime SDR TestAPP when starting up.** **There are problems with clock network test, LMS7002 Test, and RF loopback loop.** ![LImeSDR_testapp1](https://canada1.discourse-cdn.com/flex034/uploads/myriadrf/original/2X/b/bf7e0bb914c3c5810ecd2c00884ec3543b812d92.png) [TESTING STARTED] -\>Start time: Wed Dec 11 10:31:21 2019 Gateware version mismatch! Expected gateware version 2, revision 17 But found version 257, revision 0 Follow the FW and FPGA upgrade instructions: [Lime Suite - Myriad-RF Wiki](http://wiki.myriadrf.org/Lime_Suite#Flashing_images) Or run update on the command line: LimeUtil --update Read(64 bytes) failed Read(64 bytes) failed -\>Device: LimeSDR-USB, media=USB 3.0, module=FX3, serial=0009072C0288261D, index=0 Serial Number: 0009072C0288261D Read(64 bytes) failed [Clock Network Test] -\>FX3 GPIF clock test Read(64 bytes) failed Read(64 bytes) failed -\>FX3 GPIF clock test FAILED -\>Si5351C test Read(64 bytes) failed Read(64 bytes) failed FAILED -\>ADF4002 Test Read(64 bytes) failed FAILED -\>VCTCXO test Read(64 bytes) failed FAILED -\>Clock Network Test FAILED [FPGA EEPROM Test] -\>Read EEPROM -\>Read data: 12 07 1F 12 07 1F 02 -\>FPGA EEPROM Test PASSED [LMS7002M Test] -\>Perform Registers Test Read(64 bytes) failed SPI\_write() failed Read(64 bytes) failed SPI\_write() failed Read(64 bytes) failed SPI\_write() failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed -\>LMS7002M Test FAILED [RF Loopback Test] -\>Configure LMS Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed Read(64 bytes) failed SetFrequencyCGEN(491.52 MHz) failed Failed to set sample rate -\>RF Loopback Test FAILED =\> Board tests FAILED \<= Elapsed time: 39.53 seconds ![LImeSDR_testapp3](https://canada1.discourse-cdn.com/flex034/uploads/myriadrf/original/2X/0/01c516da33ece8d462d10e5129158ce34ddf1278.png) [TESTING STARTED] -\>Start time: Wed Dec 11 09:35:02 2019 Gateware version mismatch! Expected gateware version 2, revision 17 But found version 2, revision 21 Follow the FW and FPGA upgrade instructions: [Lime Suite - Myriad-RF Wiki](http://wiki.myriadrf.org/Lime_Suite#Flashing_images) Or run update on the command line: LimeUtil --update -\>Device: LimeSDR-USB, media=USB 3.0, module=FX3, serial=0009072C0288261D, index=0 Serial Number: 0009072C0288261D [Clock Network Test] -\>FX3 GPIF clock test Test results: 25023; 28779; 32535 - PASSED -\>Si5351C test CLK0: 17555 / 17554 - PASSED CLK1: 17555 / 17554 - PASSED CLK2: 17555 / 17554 - PASSED CLK3: 17555 / 17554 - PASSED CLK4: 17555 / 17554 - PASSED CLK5: 17555 / 17554 - PASSED CLK6: 17555 / 17554 - PASSED -\>ADF4002 Test Result: 10 - PASSED -\>VCTCXO test Results : 5112962 (min); 5113087 (max) - PASSED -\>Clock Network Test PASSED [FPGA EEPROM Test] -\>Read EEPROM -\>Read data: 12 07 1F 12 07 1F 02 -\>FPGA EEPROM Test PASSED [LMS7002M Test] -\>Perform Registers Test -\>External Reset line test Reg 0x20: Write value 0xFFFD, Read value 0xFFFD Reg 0x20: value after reset 0x0FFFF -\>LMS7002M Test PASSED [RF Loopback Test] -\>Configure LMS -\>Run Tests (TX\_2-\> LNA\_L): CH0 (SXR=800.0MHz, SXT=805.0MHz): Result:(-17.0 dBFS, 5.00 MHz) - PASSED CH1 (SXR=800.0MHz, SXT=805.0MHz): Result:(-19.1 dBFS, 5.00 MHz) - PASSED -\>Run Tests (TX\_1 → LNA\_W): CH0 (SXR=1800.0MHz, SXT=1805.0MHz): Result:(-17.0 dBFS, 5.00 MHz) - PASSED CH1 (SXR=1800.0MHz, SXT=1805.0MHz): Result:(-19.6 dBFS, 5.00 MHz) - PASSED -\>Run Tests (TX\_2-\> LNA\_H): CH0 (SXR=2500.0MHz, SXT=2505.0MHz): Result:(-69.4 dBFS, -19.64 MHz) - FAILED CH1 (SXR=2500.0MHz, SXT=2505.0MHz): Result:(-72.7 dBFS, -0.65 MHz) - FAILED -\>RF Loopback Test FAILED =\> Board tests FAILED \<= Elapsed time: 2.39 seconds _ **After the PCB is powered on for a period of time, the board becomes hot and sometimes works. If the PCB is cooled by a fan, the board will die again.** _ _ **It looks like there is a problem with the circuit manufacturing soldering.** _ Requesting RMA Regards Timmy ---
**Author:** ![Timmy](https://avatars.discourse-cdn.com/v4/letter/t/ed8c4c/32.png) [@Timmy](https://discourse.myriadrf.org/u/Timmy)\ **Post date:** [16 December 2019 23:30 UTC](https://discourse.myriadrf.org/t/limesdr-quicktest-fail-request-rma/5480/2 "2019-12-16T23:30:32Z")
It works when the LimeSDR circuit board is hot, and it will fail after cooling with a fan, it seems to be related to temperature. Might be a soldering quality issue? @Zack @andrewback Please help me check it, or do you have any suggestions for me? ---
**Author:** ![andrewback](https://avatars.discourse-cdn.com/v4/letter/a/22d042/32.png) [@andrewback](https://discourse.myriadrf.org/u/andrewback)\ **Post date:** [17 December 2019 11:07 UTC](https://discourse.myriadrf.org/t/limesdr-quicktest-fail-request-rma/5480/3 "2019-12-17T11:07:44Z")
E-mailed.