# Aeotec Nano Single Switch status after re-power

**URL:** <https://community.homey.app/t/aeotec-nano-single-switch-status-after-re-power/15508>\
**Category:** Questions & Help\
**Created:** [July 13, 2019, 3:09am UTC](https://community.homey.app/t/aeotec-nano-single-switch-status-after-re-power/15508 "2019-07-13T03:09:21Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![danone](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/danone/32/115743_2.png) [@danone](https://community.homey.app/u/danone)\
**Post date:** [July 13, 2019, 3:09am UTC](https://community.homey.app/t/aeotec-nano-single-switch-status-after-re-power/15508/1 "2019-07-13T03:09:21Z")

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Hi everyone,  
I own a couple of Aeotec Nano Single Switches and have a problem with both not keeping the status after re-power.

What I want:  
the switch to be ON after a power failure. Those switches are always ON in my case, by the way.

What does not work:  
After a power failure the switch stays OFF even its status before the power failure was ON or OFF.

What I have tried:

- under advanced settings have the parameter _ **Configure the output load status after re-power** _ setup as _ **Status before re-power** _ and as _ **Always on** _.
- beside the above, I then try writing the raw parameters 20,1,1 which according with the manual, sets up the status after re-power as _ **Always on** _, then I locked the configuration settings with parameter 252 as 1.

I also own a couple of Aeotec nano dual switches. Those have no problems!

If anyone has an Aeotec nano **single** switch, can please test and let me know?  
The firmware on my devices in 2164.

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**Author:** ![Pi\_man](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/pi_man/32/17589_2.png) [@Pi\_man](https://community.homey.app/u/Pi_man)\
**Post date:** [May 26, 2020, 1:32pm UTC](https://community.homey.app/t/aeotec-nano-single-switch-status-after-re-power/15508/2 "2020-05-26T13:32:35Z")

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I have ZW116. I am wondering how to write the raw parameters. Do I simply putin teh vlaues in the “Raw Configuration Parameters” field? So, if I want to set parameter 101 which is the 4LSB to 0 do I just enter: “101,4,0”

Many Thanks

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**Author:** ![mull](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/mull/32/3530_2.png) [@mull](https://community.homey.app/u/mull)\
**Post date:** [June 4, 2020, 12:30pm UTC](https://community.homey.app/t/aeotec-nano-single-switch-status-after-re-power/15508/3 "2020-06-04T12:30:22Z")

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**Danone:**  
I just tried setting mine to always on. Cut the power and it turned, on as it should.

What kind of switch are you running? Have you configured it accordingly?

#### Parameter 120: Configure the external switch mode for S1.

_Configure the external switch mode for S1._  
Size: 1 Byte, Default Value: 0

| Setting | Description |
| --- | --- |
| 0 | Enter automatic identification mode |
| 1 | 2-state switch mode |
| 2 | 3 way switch mode |
| 3 | Momentary push button mode |

#### Parameter 121: Configure the external switch mode for S2.

_Configure the external switch mode for S2._  
Size: 1 Byte, Default Value: 0

| Setting | Description |
| --- | --- |
| 0 | Enter automatic identification mode |
| 1 | 2-state switch mode |
| 2 | 3 way switch mode |
| 3 | Momentary push button mode |

**Pi\_man:**  
Yup.

Mine is set to **"20,1,2;120,1,3"**

#### Parameter 20: Configure the output status after re-power on it.

This is set to 2 for Always power off.

#### Parameter 120: Configure the external switch mode for S1.

This is set to 3 for Momentary push button mode.