# V7.7 v21 Logix Driver stopping working

**URL:** <https://forum.inductiveautomation.com/t/v7-7-v21-logix-driver-stopping-working/9146>\
**Category:** Ignition\
**Created:** [October 4, 2014, 9:36pm UTC](https://forum.inductiveautomation.com/t/v7-7-v21-logix-driver-stopping-working/9146 "2014-10-04T21:36:29Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Jerry](https://avatars.discourse-cdn.com/v4/letter/j/5daacb/32.png) [@Jerry](https://forum.inductiveautomation.com/u/Jerry)\
**Post date:** [October 4, 2014, 9:36pm UTC](https://forum.inductiveautomation.com/t/v7-7-v21-logix-driver-stopping-working/9146/1 "2014-10-04T21:36:29Z")

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Logix Driver for V21 Firmware. Works fine then All tags go RED. Have to restart the module. All works well for a day or so. then tags stop responding again.

Using 4 devices not all of them stop working at the same time?

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**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [October 4, 2014, 11:48pm UTC](https://forum.inductiveautomation.com/t/v7-7-v21-logix-driver-stopping-working/9146/2 "2014-10-04T23:48:07Z")

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Are you using 7.7.1? Can you email your logs into support?