# system.serial.openSerialPort() problem

**URL:** <https://forum.inductiveautomation.com/t/system-serial-openserialport-problem/12217>\
**Category:** Ignition\
**Created:** [October 10, 2016, 10:28am UTC](https://forum.inductiveautomation.com/t/system-serial-openserialport-problem/12217 "2016-10-10T10:28:42Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Serhii](https://avatars.discourse-cdn.com/v4/letter/s/df788c/32.png) [@Serhii](https://forum.inductiveautomation.com/u/Serhii)\
**Post date:** [October 10, 2016, 10:28am UTC](https://forum.inductiveautomation.com/t/system-serial-openserialport-problem/12217/1 "2016-10-10T10:28:42Z")

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Hi! Have the same problem again.  
[inductiveautomation.com/forum/v … 72&t=11487](https://inductiveautomation.com/forum/viewtopic.php?f=72&t=11487)

Ignition 7.6.7, x32  
Serial Client Module version 1.6.7 (b2014082615)

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**Author:** ![KathyApplebaum](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kathyapplebaum/32/7261_2.png) [@KathyApplebaum](https://forum.inductiveautomation.com/u/KathyApplebaum)\
**Post date:** [October 10, 2016, 2:22pm UTC](https://forum.inductiveautomation.com/t/system-serial-openserialport-problem/12217/2 "2016-10-10T14:22:24Z")

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So did the module suddenly stop working, or did something in your set up change?

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<div class="post-metadata">

**Author:** ![Serhii](https://avatars.discourse-cdn.com/v4/letter/s/df788c/32.png) [@Serhii](https://forum.inductiveautomation.com/u/Serhii)\
**Post date:** [October 11, 2016, 11:52am UTC](https://forum.inductiveautomation.com/t/system-serial-openserialport-problem/12217/3 "2016-10-11T11:52:06Z")

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Module still running I think.  
Just designer is closing and I should start it again.

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<div class="post-metadata">

**Author:** ![KathyApplebaum](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kathyapplebaum/32/7261_2.png) [@KathyApplebaum](https://forum.inductiveautomation.com/u/KathyApplebaum)\
**Post date:** [October 11, 2016, 3:44pm UTC](https://forum.inductiveautomation.com/t/system-serial-openserialport-problem/12217/4 "2016-10-11T15:44:57Z")

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You’re probably going to need to contact support on this. There isn’t any thing that should have made it stop working, so they’ll need to work with you to see if some system update caused a problem.