# DualR3 lite - (automatic) calibration doesn't work **URL:** \ **Category:** Free discussion\ **Created:** [July 1, 2024, 5:06pm UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950 "2024-07-01T17:06:12Z")\ **Posts on this page:** 14\ **Page:** 1
**Author:** ![cliff](https://avatars.discourse-cdn.com/v4/letter/c/b38774/32.png) [@cliff](https://forum.ewelink.cc/u/cliff)\ **Post date:** [July 1, 2024, 5:06pm UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/1 "2024-07-01T17:06:12Z")
Hi there. I have six DualR3 (regular) and two DualR3 lite. Strange thing with the lite is: There is no automatic calibration. ewelink app only offers manual calibration. And that has a start button, which causes an error when pressed. Also it seems I would need an external switch for manual calibration. Version was 1.5.0 and now is 1.5.2. The DualR3 (regular) calibrate without a problem. As far as I understand, the only difference should be the ability to monitor energy consumption in the regular DualR3. So I assume this is a bug (in the app)? Thanks, clfberlin PS: Use is for vertical blinds/motor. Percentage settings won’t work without calibration. ---
**Author:** ![jonniugr](https://avatars.discourse-cdn.com/v4/letter/j/13edae/32.png) [@jonniugr](https://forum.ewelink.cc/u/jonniugr)\ **Post date:** [July 1, 2024, 5:58pm UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/2 "2024-07-01T17:58:13Z")
I’ll add more. I have a dual r 3 and noticed another big drawback. when I create a schedule, it is possible to select only the opening as a percentage, but there is no closing as a percentage. To be honest, it was done in a stupid way. dual r3 has been on sale for quite a long time, did no one really pay attention to this, and if they did, then the question is - why didn’t they fix it??? Disregard for consumers!!! ---
**Author:** ![cliff](https://avatars.discourse-cdn.com/v4/letter/c/b38774/32.png) [@cliff](https://forum.ewelink.cc/u/cliff)\ **Post date:** [July 1, 2024, 6:13pm UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/3 "2024-07-01T18:13:47Z")
Odd. When using Home Assistant (or Alexa), the percentage is treated as a state. “Blinds 60%” raises or drops the blinds to what it considers 60 percent. “Open” is 100%, “closed” is 0%. I have never tried a schedule in the app, though. ---
**Author:** ![cliff](https://avatars.discourse-cdn.com/v4/letter/c/b38774/32.png) [@cliff](https://forum.ewelink.cc/u/cliff)\ **Post date:** [July 1, 2024, 6:17pm UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/4 "2024-07-01T18:17:22Z")
Just tried it. When creating a schedule in the app, I get a choice of either “up”, “down” or a percentage value (which either lifts or lowers the blinds to that value). Which app version do you use? ---
**Author:** ![jonniugr](https://avatars.discourse-cdn.com/v4/letter/j/13edae/32.png) [@jonniugr](https://forum.ewelink.cc/u/jonniugr)\ **Post date:** [July 1, 2024, 6:46pm UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/5 "2024-07-01T18:46:36Z")
The latest version of the program. but the problem is not in the program, but in the dual r3 firmware, since the schedule is created in the device itself. ![IMG_20240701_214100](https://europe1.discourse-cdn.com/flex005/uploads/ewelinkforum/original/2X/8/82266d8bf3ce533dc6b1451adede6dec6c53be15.jpeg) ---
**Author:** ![cliff](https://avatars.discourse-cdn.com/v4/letter/c/b38774/32.png) [@cliff](https://forum.ewelink.cc/u/cliff)\ **Post date:** [July 1, 2024, 7:52pm UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/6 "2024-07-01T19:52:47Z")
Just to understand… You have a choice of “open”, “close” or a percentage? ![Screenshot_20240701_215204_eWeLink](https://europe1.discourse-cdn.com/flex005/uploads/ewelinkforum/original/2X/4/4e9404fc53120e6d596d169988ce1b8eb97f645b.jpeg) ---
**Author:** ![jonniugr](https://avatars.discourse-cdn.com/v4/letter/j/13edae/32.png) [@jonniugr](https://forum.ewelink.cc/u/jonniugr)\ **Post date:** [July 1, 2024, 8:13pm UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/7 "2024-07-01T20:13:49Z")
Yes. Open, close and % only for opening. There is no % for closing, but this is somehow strange and illogical ---
**Author:** ![cliff](https://avatars.discourse-cdn.com/v4/letter/c/b38774/32.png) [@cliff](https://forum.ewelink.cc/u/cliff)\ **Post date:** [July 1, 2024, 9:03pm UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/8 "2024-07-01T21:03:33Z")
But there is no state for 75% opened or 75% closed. 75% is a state, meaning it is 25% closed and 75% opened. ---
**Author:** ![jonniugr](https://avatars.discourse-cdn.com/v4/letter/j/13edae/32.png) [@jonniugr](https://forum.ewelink.cc/u/jonniugr)\ **Post date:** [July 1, 2024, 11:21pm UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/9 "2024-07-01T23:21:17Z")
It’s bad that he can’t. These are basic mathematical calculations that even a calculator could handle. And how can I specify the % value for closing if the curtain is open 100% and I want the curtain to close 70% at 12 noon? ---
**Author:** ![Daniel\_Zhan](https://dub1.discourse-cdn.com/flex005/user_avatar/forum.ewelink.cc/daniel_zhan/32/622_2.png) [@Daniel\_Zhan](https://forum.ewelink.cc/u/Daniel_Zhan)\ **Post date:** [July 2, 2024, 1:46am UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/10 "2024-07-02T01:46:25Z")
The automatic calibration for the blind utilizes the power consumption feature ( detect the current change for the whole route), so DUALR3 Lite only supports manual calibration. ---
**Author:** ![cliff](https://avatars.discourse-cdn.com/v4/letter/c/b38774/32.png) [@cliff](https://forum.ewelink.cc/u/cliff)\ **Post date:** [July 2, 2024, 6:15am UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/11 "2024-07-02T06:15:09Z")
Thanks for the info @Daniel_Zhan. ---
**Author:** ![cliff](https://avatars.discourse-cdn.com/v4/letter/c/b38774/32.png) [@cliff](https://forum.ewelink.cc/u/cliff)\ **Post date:** [July 2, 2024, 6:25am UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/12 "2024-07-02T06:25:15Z")
To close the curtain to 70% at noon: - Schedule - Enter time and days if this is to be repeated - Tick Action - Tick Percentage, then move the slider to 70% - Save The problem is: This only works with **DualR3** , but **not** with the DualR3 **lite**. I wasn’t aware of all the limitations that come with the abstinence of power consumption monitoring. ---
**Author:** ![jonniugr](https://avatars.discourse-cdn.com/v4/letter/j/13edae/32.png) [@jonniugr](https://forum.ewelink.cc/u/jonniugr)\ **Post date:** [July 2, 2024, 7:38am UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/13 "2024-07-02T07:38:46Z")
In the schedule settings there is no CLOSE at % item. There is only OPEN at %. Your option raises the curtain, rather than lowering it by %. ![IMG_20240702_103157](https://europe1.discourse-cdn.com/flex005/uploads/ewelinkforum/original/2X/a/a92e642082f920eb64d86da3b380b11e3294767e.jpeg) ---
**Author:** ![cliff](https://avatars.discourse-cdn.com/v4/letter/c/b38774/32.png) [@cliff](https://forum.ewelink.cc/u/cliff)\ **Post date:** [July 2, 2024, 8:58am UTC](https://forum.ewelink.cc/t/dualr3-lite-automatic-calibration-doesnt-work/38950/14 "2024-07-02T08:58:03Z")
I believe that it is just the wording that is confusing. The “Open percentage” merely is “percentage”. 0% open is closed. 100% open is completely opened. 75% open is 25% closed. The “Open” in the wording is probably just there to let you know what 100% is. (Opened rather than closed). Just ignore the word “Open” in “Open Percentage”. And you have to tick the “Percentage” area to acivate that rather than just “Open” oder Close". ![Screenshot_20240702_105950_eWeLink](https://europe1.discourse-cdn.com/flex005/uploads/ewelinkforum/original/2X/d/d2fbf58ebfbe7ba70ac18db0fba31eebbe7e40bc.jpeg)