# Question about Edl - logger

**URL:** <https://community.ecumaster.com/t/question-about-edl-logger/4109>\
**Category:** GENERAL\
**Created:** [July 23, 2025, 5:15am UTC](https://community.ecumaster.com/t/question-about-edl-logger/4109 "2025-07-23T05:15:58Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![s07145](https://avatars.discourse-cdn.com/v4/letter/s/ea666f/32.png) [@s07145](https://community.ecumaster.com/u/s07145)\
**Post date:** [July 23, 2025, 5:15am UTC](https://community.ecumaster.com/t/question-about-edl-logger/4109/1 "2025-07-23T05:15:58Z")

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I connected EDL logger in emu black, the green led kept turning on not flashing how can I edl logger save to SD CARD? What’s the problem?

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**Author:** ![Mlynek](https://dub1.discourse-cdn.com/flex013/user_avatar/community.ecumaster.com/mlynek/32/3773_2.png) [@Mlynek](https://community.ecumaster.com/u/Mlynek)\
**Post date:** [July 23, 2025, 6:18am UTC](https://community.ecumaster.com/t/question-about-edl-logger/4109/2 "2025-07-23T06:18:59Z")

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Have you enabled sending data to the logger in emublack?

 ![image](https://europe1.discourse-cdn.com/flex013/uploads/ecumaster/original/2X/8/8088a2fd11a9a1333c6c4c619da6a782188fa48d.png)

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**Author:** ![s07145](https://avatars.discourse-cdn.com/v4/letter/s/ea666f/32.png) [@s07145](https://community.ecumaster.com/u/s07145)\
**Post date:** [July 23, 2025, 6:32am UTC](https://community.ecumaster.com/t/question-about-edl-logger/4109/3 "2025-07-23T06:32:23Z")

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yes i did but led green doesn’t flash

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**Author:** ![Yamaha\_Mt07\_EMUBlack](https://avatars.discourse-cdn.com/v4/letter/y/0ea827/32.png) [@Yamaha\_Mt07\_EMUBlack](https://community.ecumaster.com/u/Yamaha_Mt07_EMUBlack)\
**Post date:** [July 24, 2025, 4:14pm UTC](https://community.ecumaster.com/t/question-about-edl-logger/4109/4 "2025-07-24T16:14:45Z")

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My problem is same as you said.  
Is there any solution over that?

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<div class="post-metadata">

**Author:** ![s07145](https://avatars.discourse-cdn.com/v4/letter/s/ea666f/32.png) [@s07145](https://community.ecumaster.com/u/s07145)\
**Post date:** [July 25, 2025, 3:58pm UTC](https://community.ecumaster.com/t/question-about-edl-logger/4109/5 "2025-07-25T15:58:18Z")

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No I can’t solve it I looked at SD CARD there is save log but I don’t know why, That then I just looked at if it working properly

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<div class="post-metadata">

**Author:** ![s07145](https://avatars.discourse-cdn.com/v4/letter/s/ea666f/32.png) [@s07145](https://community.ecumaster.com/u/s07145)\
**Post date:** [July 25, 2025, 4:03pm UTC](https://community.ecumaster.com/t/question-about-edl-logger/4109/6 "2025-07-25T16:03:27Z")

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I have set Serial device as ECU master logger but it doesn’t blink fast and it Just flashing green led. I don’t how to solve it

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**Author:** ![MickyMcFinnigan](https://dub1.discourse-cdn.com/flex013/user_avatar/community.ecumaster.com/mickymcfinnigan/32/113_2.png) [@MickyMcFinnigan](https://community.ecumaster.com/u/MickyMcFinnigan)\
**Post date:** [July 26, 2025, 1:40am UTC](https://community.ecumaster.com/t/question-about-edl-logger/4109/7 "2025-07-26T01:40:07Z")

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You have the TX pin on the ECU side connected to the RX side of the EDL? Common mistake people make when wiring (myself included)

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<div class="post-metadata">

**Author:** ![s07145](https://avatars.discourse-cdn.com/v4/letter/s/ea666f/32.png) [@s07145](https://community.ecumaster.com/u/s07145)\
**Post date:** [August 20, 2025, 4:04am UTC](https://community.ecumaster.com/t/question-about-edl-logger/4109/8 "2025-08-20T04:04:34Z")

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yes I did I Switched the line RX and TX and I solved the problem