# \[APP\]\[PRO\] Connect Solar Solax Inverter to Homey

**URL:** <https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471>\
**Category:** Apps\
**Tags:** app\
**Created:** [July 24, 2022, 10:04pm UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471 "2022-07-24T22:04:41Z")\
**Posts on this page:** 20\
**Page:** 8

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**Author:** ![horakmar](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/horakmar/32/33849_2.png) [@horakmar](https://community.homey.app/u/horakmar)\
**Post date:** [June 17, 2025, 9:05am UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/146 "2025-06-17T09:05:36Z")

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Another hint, I stopped everything that could communicate with inverter in the LAN. Still no result with Solax app. Then I manually blocked Solax wifi modul on router. After unblocking, modbus in homey goes to the error, after app restart everything works fine. So maybe it can be helpful for someone.

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**Author:** ![Duratec](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/duratec/32/120987_2.png) [@Duratec](https://community.homey.app/u/Duratec)\
**Post date:** [June 19, 2025, 5:23pm UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/147 "2025-06-19T17:23:09Z")

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Is there a plan for having a widget in the homey solax app that can be used in Homey dashboard?  
Thinking of the same type of graphical information that can be found in the Solax telephone app?

That would be supernice in my opinion 😃

Thanks in advance  
Johnny

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**Author:** ![TEFR](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/tefr/32/121276_2.png) [@TEFR](https://community.homey.app/u/TEFR)\
**Post date:** [July 18, 2025, 1:24pm UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/148 "2025-07-18T13:24:45Z")

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Hi all,

Today i install the solax app on my homey 2023 pro and get the error:

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/e/1/e1294528dd913220c88fc38f552642196fe6005b.jpeg)

Even after reinstalling the app. what can i do?  
Tried it on my mobile and web interface

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**Author:** ![Peter\_Kawa](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/peter_kawa/32/173848_2.png) [@Peter\_Kawa](https://community.homey.app/u/Peter_Kawa)\
**Post date:** [July 18, 2025, 1:56pm UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/149 "2025-07-18T13:56:28Z")

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Did you happen to read these tips already? I didn’t read you restarted your inverter for example 😉

> [@\[APP\]\[PRO\] Connect Solar Solax Inverter to Homey](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/142):
>
> I see a bit of a pattern here: I changed something and it stopped working of course the application is to blame Unfortunately, I can’t guide everyone by the hand, but from my experience: Cloud: always verify that the transfer to the cloud works - this is not related to the application, it is a function of Solax the application then reads this data from it, if it is not there, it cannot work Modbus usually, if it worked and nothing has changed and it doesn’t work, then restart the invert…

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**Author:** ![TEFR](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/tefr/32/121276_2.png) [@TEFR](https://community.homey.app/u/TEFR)\
**Post date:** [July 18, 2025, 2:18pm UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/150 "2025-07-18T14:18:44Z")

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Okay i will try to restart the inverter, indeed i didnt do that.  
I restarted the network and the homey first 🙂 in the portal everything is online

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**Author:** ![TEFR](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/tefr/32/121276_2.png) [@TEFR](https://community.homey.app/u/TEFR)\
**Post date:** [July 18, 2025, 2:40pm UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/151 "2025-07-18T14:40:31Z")

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after resetting the tokenid it works 🙂

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**Author:** ![horakmar](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/horakmar/32/33849_2.png) [@horakmar](https://community.homey.app/u/horakmar)\
**Post date:** [August 13, 2025, 9:22am UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/152 "2025-08-13T09:22:31Z")

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Hello guys, another hint.

Solax data was frozen - ping OK, port opened, Homey restart - nothing happened. I tried to update wifi pocket dongle firmware and then data was again flowing.

Will see if it will be permanent fix.

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**Author:** ![melectro](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/melectro/32/78999_2.png) [@melectro](https://community.homey.app/u/melectro)\
**Post date:** [August 15, 2025, 4:03am UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/153 "2025-08-15T04:03:40Z")

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Dear Michal, creator of the HEIMAN app, first of all, I would like to thank you for contributing apps to Homey.

I need to post my question here, as the support link on the app page, [Heiman App för Homey | Homey](https://homey.app/sv-se/app/com.heiman/Heiman/), redirects to a less trustworthy website. [https://mistr.tech/](https://mistr.tech/)

I recently paired a smoke detector with Homey, and the pairing process went smoothly. However, when I press the test button on the detector, I don’t see any corresponding event or notification in Homey. I had expected some sort of trigger or indication to confirm that the signal was received.

Before I install the detector in its final location, I would like to make sure it is actually communicating as intended. Is it normal that the test button does not generate an event in Homey, or could I be missing a specific setting or flow to capture it?

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**Author:** ![Iosif\_ANDRONIC](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/iosif_andronic/32/125248_2.png) [@Iosif\_ANDRONIC](https://community.homey.app/u/Iosif_ANDRONIC)\
**Post date:** [September 4, 2025, 5:38pm UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/154 "2025-09-04T17:38:40Z")

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Please help me understand how to connect **SOLAX** via **MODBUS**? I bought an **RS485 adapter** but I still haven’t succeeded.

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**Author:** ![Peter\_Kawa](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/peter_kawa/32/173848_2.png) [@Peter\_Kawa](https://community.homey.app/u/Peter_Kawa)\
**Post date:** [September 4, 2025, 5:42pm UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/155 "2025-09-04T17:42:19Z")

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Is this of any use?

> [@\[APP\]\[Pro\] SolarEdge + Growatt TCP modbus](https://community.homey.app/t/app-pro-solaredge-growatt-tcp-modbus/45487/1579):
>
> So, took the plunge and ordered the [Waveshare RS485 to PoE Ethernet Module](https://www.tinytronics.nl/en/communication-and-signals/serial/rs-485/waveshare-industrial-serial-server-rs485-to-poe-ethernet-module) and had some time today to hook it up and configure it. I connected both my Growatt 3000TL3-S inverters to the module and after some fiddling on the Inverters (Giving each a unique ID) and in the module’s settings I got it working! Here the settings that work for me: I made the following changes that differ with de module’s default settings: Network Settings Device Port, set it to 502 IP Mode, switched it …

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**Author:** ![Iosif\_ANDRONIC](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/iosif_andronic/32/125248_2.png) [@Iosif\_ANDRONIC](https://community.homey.app/u/Iosif_ANDRONIC)\
**Post date:** [September 4, 2025, 5:48pm UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/156 "2025-09-04T17:48:21Z")

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> [@\[APP\]\[Pro\] SolarEdge + Growatt TCP modbus](https://community.homey.app/t/app-pro-solaredge-growatt-tcp-modbus/45487/1579):
>
> Network Settings Device Port, set it to 502 IP Mode, switched it

Yes. This one i bought (actually 3 of them). I friend tried to help me a few days ago but no succes. He told me that is no comunication between laptop and RS485..

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**Author:** ![Philipp\_Jahn](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/philipp_jahn/32/125500_2.png) [@Philipp\_Jahn](https://community.homey.app/u/Philipp_Jahn)\
**Post date:** [October 13, 2025, 6:52pm UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/157 "2025-10-13T18:52:25Z")

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Hello again.

Time has passing by. Customer service needed long time to update my inverter and longer time to update my Wi-Fi dongle. I use qcells (german solax cooperation). Since spring 2025 I use the homey solax App and the cloud communication works still fine. Modbus tcp only worked for a few days and I had to restart the dongle. Suddenly modbus doesn’t work anymore. I can add the inverter but can’t see entities. After all the firmware updates still the same.

I tried [APP][Pro] SolarEdge + Growatt TCP modbus and have to set the poll rate to 50. So that’s my solution. May it helps someone who have the same problem.

Still use the homey solax app for cloud version and flows.

Best regards

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**Author:** ![JaccoStraaijer](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/jaccostraaijer/32/11777_2.png) [@JaccoStraaijer](https://community.homey.app/u/JaccoStraaijer)\
**Post date:** [November 2, 2025, 10:18am UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/158 "2025-11-02T10:18:18Z")

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hi all,

is have a question. I have added my inverter through cloud as well as modbus to compare. What I see is quit a difference in the solar todat field. So I checked. The Cloud solax solar today field reflects almost what is indicated on the inverter screen as in the solax app. This seems the correct value. However, the solar today field in de modbus device is significant lower. Is there a difference in the fields or could this be a bug?

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/7/3/73cc2123b7a52a63ebbfb530fbb642074302605f.jpeg)

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/3/6/36e66fc5c0e8885947c5749a73b2fd95ac22fb8c.jpeg)

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**Author:** ![JaccoStraaijer](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/jaccostraaijer/32/11777_2.png) [@JaccoStraaijer](https://community.homey.app/u/JaccoStraaijer)\
**Post date:** [November 14, 2025, 1:13am UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/159 "2025-11-14T01:13:56Z")

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Hi all, does anybody know if the app is actively maintained? This feature would result in a lot less EEPROM writes (i have a solax battery for which i am building a HEMS) @Michal_Stranik

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**Author:** ![Michal\_Stranik](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/michal_stranik/32/179351_2.png) [@Michal\_Stranik](https://community.homey.app/u/Michal_Stranik)\
**Post date:** [November 14, 2025, 7:31am UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/160 "2025-11-14T07:31:38Z")

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Hi, yes I care about the app, I use it every day. I just don’t understand what you think will reduce the number of entries.

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**Author:** ![JaccoStraaijer](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/jaccostraaijer/32/11777_2.png) [@JaccoStraaijer](https://community.homey.app/u/JaccoStraaijer)\
**Post date:** [November 14, 2025, 9:52am UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/161 "2025-11-14T09:52:32Z")

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Hi Michal! Thank you for the app. I use it every day as well. As I have a battery I am trying to build a energy management system that will modes quite often per day. As I understand for G4 models Solax offers another way of setting certain fields by not writing them to the eeprom: you can check here: [homeassistant-solax-modbus/docs/solax-mode1-modbus-power-control.md at main · wills106/homeassistant-solax-modbus · GitHub](https://github.com/wills106/homeassistant-solax-modbus/blob/main/docs/solax-mode1-modbus-power-control.md)

Your cards show an EEPROM warning for, for example for charger use mode:

 ![IMG_1449](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/0/3/0332612774abd98d0bdba613310ee26db55474aa.jpeg)

Where in fact this can be set without writing to eeprom: Normal power controls are written to EEPROM, so there are not well suited for use in automations as the automation might write too often. The Modbus power control commands (remotecontrol\_xxx) are not stored in EEPROM and can be called as often as desired. Much more convenient for automation. The lifetime of these commands is however limited, so they need to be repeated frequently. Fortunately, this integration has an autorepeat option that makes these commands as easy to use as the normal power control parameters.

So the question is: is your eeprom message correct in this card and if soncould the design of the cards be changed to the remotecontrol option to avoid eeprom writes? For real automation that would be very benificial because you do not have to mind eeprom write limits.

cheers!

Jacco

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**Author:** ![Patrik\_Mihalik](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/patrik_mihalik/32/73654_2.png) [@Patrik\_Mihalik](https://community.homey.app/u/Patrik_Mihalik)\
**Post date:** [November 17, 2025, 8:07am UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/162 "2025-11-17T08:07:31Z")

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Hello everyone,

I have problem with solax inverter modbus version, last month.

Data is freezing 3times for last month, restarting homey and router didnt help.

Can you give me some other tips? It start works after solax restarting,but i dont want restart solax each 1-2 weeks. Till the load and battery in one device was everything OK and works without problems years. Diag report below.

6877517e-f110-4f43-a132-81d17df79f58

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**Author:** ![Michal\_Stranik](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/michal_stranik/32/179351_2.png) [@Michal\_Stranik](https://community.homey.app/u/Michal_Stranik)\
**Post date:** [November 17, 2025, 5:32pm UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/163 "2025-11-17T17:32:47Z")

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Based on doc I have, I can only write to registers. If you have any other doc, which should be better, please provide. Btw, when you are not changing everything every minute, you should be fine.

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**Author:** ![Zigme](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/zigme/32/16498_2.png) [@Zigme](https://community.homey.app/u/Zigme)\
**Post date:** [November 19, 2025, 7:32am UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/164 "2025-11-19T07:32:29Z")

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Hello @Michal_Stranik

Would it be possible to have the Solax Ultra added as well?

It pretty much seems to work as a “G4”, but is missing the last PV (PV3) and the dual battery support 🙂

Cheers

Jørgen

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/c/4/c43807fef9daea2f11a1babc64ff0b15f57c4e17.png)

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/e/6/e628c9399aaa0025ccad3cd0641d6448c38a2572.png)

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<div class="post-metadata">

**Author:** ![Michal\_Stranik](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/michal_stranik/32/179351_2.png) [@Michal\_Stranik](https://community.homey.app/u/Michal_Stranik)\
**Post date:** [November 19, 2025, 10:00am UTC](https://community.homey.app/t/app-pro-connect-solar-solax-inverter-to-homey/66471/165 "2025-11-19T10:00:18Z")

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Hi, That’s what I call collaboration 😀 . As soon as I have a moment, I’ll see how to add it there. M.

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