# Troubleshooting mid run Camera Disabled error on the NextSeq 500/550

On NextSeq 500/550 control software (NCS) version v2.2 and earlier, camera(s) may intermittently disable mid-run.

The suspected cause is related to the FPGA (field programmable array) firmware version, which has been corrected in NCS v4.0.

Contact [Illumina Technical Support](https://www.illumina.com/company/contact-us.html#/united-states/technical-support) for assistance and provide the following run/log files.

1. InterOp folder
2. RunParameters.xml
3. RunInfo.xml
4. Logs

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| *For any feedback or questions regarding this article (Illumina Knowledge Article #1378), contact Illumina Technical Support* [*techsupport@illumina.com*](mailto:techsupport@illumina.com?subject=Question%2FFeedback%20Regarding%20Illumina%20Knowledge%20Article%20#000001378%20-%20Instrumentation%20\&body=Dear%20Illumina%20Technical%20Support,%0D%0A%0D%0A)*.* |


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