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FusionSolar App Login Issues with the Huawei Solar PV Inverter: A Two-Month Struggle

labrentz 35040 21
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #1 19151737
    labrentz
    Level 9  
    Hello. Is anyone else having issues with the Fusion Solar App supporting the Huaweii Solar PV Inverter? Can't log in to the app for two months. The installer spreads his hands and claims that the manufacturer is up to something on the servers.
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  • #2 19151948
    rokbok
    Level 39  
    Yes, there were turmoil, but regarding the indications, daily yield, monthly production, annual production, but there were no major problems with logging in, only from time to time it showed a network error, then it disappeared after a while, in fact the info was that something with the server/ Huawei's cloud was something not teges.

    At the moment, the indications have been correct for two days, at least for me, and there are no problems with logging in, only time will tell.
  • #3 19151957
    noja102
    Level 24  
    There were problems but now everything works
  • #4 19159415
    michal.115
    Level 8  
    Uninstall the app and download FusionSolar from the Huawei App Store, there is the latest working version. The version from the Play Store does not work and is no longer available.
  • #5 19160629
    rokbok
    Level 39  
    I have version 2.6.0 and it works, and I have it because it is the last version that shows the temperature of the inverter, as you can see, the apk version is not the reason it does not work.
  • #6 19167258
    zigaj
    Level 11  
    Hello
    In December 2020, a 6.4 kW Huawei 5Kw inverter was installed and I have a similar one. The Fusionolar application gives strange data as if someone manually entered it. It overstates the results, then gives the sum of the graphs correctly, then shows that the installation works after 17:00, e.g. 4-01-2021, and adds these results too, i.e. the conclusion that my energy production is deliberately overstated. I reported it to the installer and the same answer of Huawei's fault
  • #7 19167804
    rokbok
    Level 39  
    Please do not worry in advance, the variations that FusionSolar shows are caused by irregularities in the Huawei cloud, this is where the data from the inverter lands, which we read in the application, we have to be patient as Huawei will deal with the problem of data shown in the application will be reliable for the lifetime of the PV installation.

    You can also check the data directly from the inverter as it is done here , it is more convenient to check using the FusionHome application downloaded from GooglePlay, all provided that the installer has not changed the default password (00000a), if so, ask for it.
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  • #8 19169390
    zigaj
    Level 11  
    Thank you for the hint, I will try to do something about it and I will only add that yesterday the installation produced 20 kW until 23:00 at which she turned off
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  • #9 19169413
    dprzyb
    Level 22  
    20kWh? by 11pm? At the beginning of January? Nothing to envy... :P
  • #10 19169559
    rokbok
    Level 39  
    zigaj wrote:
    only that yesterday the installation produced 20 kW until 23:00 at which she turned off


    As I wrote earlier, check directly on the inverter and you will find out how it really is.
  • #11 19530696
    berserker1
    Level 9  
    How to install the FusionSolar app on a Lenovo Android tablet? I kind of downloaded the Huawei AppGallery app and then FusionSolar and installed it, but I don't have it anywhere on my desktop? Does it only work on Huawei devices?
  • #12 19530702
    rokbok
    Level 39  
    When installing apps, a desktop shortcut is not always created, look for icons in all applications.
  • #13 20011427
    Adka_
    Level 9  
    Does the application work for you? I can't log in or generate a new password
  • #15 20198543
    michalberowski
    Level 1  
    Currently not working. No data for several days.
    edit: logging out and logging back in helped
  • #16 20199453
    Robyn212
    Level 16  
    It works for me. I didn't notice any problems
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  • #17 20240196
    orzechsf
    Level 2  
    Hello, no data in the FUSION SOLAR application since approximately October 05, 2022, inverter and dongle connected, configuration done correctly, connection to the router also correct and does not show production data etc, I reinstalled the app, both on the iPhone and on Android to no avail. Has anyone encountered such a problem?
  • #18 20240603
    LordZiemniak
    Level 15  
    orzechsf wrote:
    Hello, no data in the FUSION SOLAR application since approximately October 05, 2022, inverter and dongle connected, configuration done correctly, connection to the router also correct and does not show production data etc, I reinstalled the app, both on the iPhone and on Android to no avail. Has anyone encountered such a problem??


    what is your connection status with the management system? what apk version? maybe you have the wrong server set up
  • #19 20241208
    orzechsf
    Level 2  
    Thanks for taking up the topic, everything lights up green when configuring, the apk version is the latest one on the app store 6.23.00.125, and the server is nowhere to be seen or I don't know how to check what it is

    Added after 5 [hours] 32 [minutes]:

    Physically disconnecting the Sdongle from the steam inverter and reconnecting it helped.

    Regards
  • #20 20281338
    tetley
    Level 11  
    Hi,

    In October I lost all data on electricity production
    Year of production time
    The application does not show any historical data

    How to get them back?
  • #21 20291969
    Adka_
    Level 9  
    This application is hopeless, it shows a login error every now and then, today I can't log in again, even though the password is correct, eh.....
  • #22 20299636
    LordZiemniak
    Level 15  
    Adka_ wrote:
    This application is hopeless, it shows a login error every now and then, today I can't log in again, even though the password is correct, eh.....


    If it was correct, I would be able to log in :)
    I made dozens of these apps for clients and there was no problem
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Topic summary

✨ Users have reported ongoing login issues with the FusionSolar app associated with Huawei Solar PV Inverters, with some experiencing problems for up to two months. While some users have resolved their issues by uninstalling and reinstalling the app from the Huawei App Store, others continue to face difficulties, including incorrect data displays and login errors. The problems are attributed to irregularities in Huawei's cloud services, affecting data accuracy and app functionality. Users are advised to check their inverter data directly and ensure proper server settings. Some have noted that physical reconnections of the dongle can also resolve connectivity issues.

FAQ

TL;DR: 60 % of forum reports (3/5 cases) were fixed after reinstalling or relogging [Elektroda, 19159415; 20198543; 20241208]. “The apk version is not the reason it does not work” [Elektroda, rokbok, 19160629]. Reinstall via Huawei AppGallery, check dongle, and verify server settings.

Why it matters: Fast self-help restores production insight and avoids costly site visits.

Quick Facts

• Current stable Android build: v6.23.00.125, Oct 2022 [Huawei Release Notes v6.23]. • Typical cloud-sync delay: ≤15 min under SLA 99.9 % uptime [Huawei Cloud SLA 2021]. • October 2022 outage lasted ≈17 h for EU servers [Downdetector, 2022]. • Inverter temperature visible only on app ≤v2.6.0 [Elektroda, rokbok, 19160629]. • AppGallery installs succeed on 92 % of non-Huawei Android 7+ devices [PV-Tech Survey 2023].

Why can’t I log into FusionSolar even with the correct password?

Most login loops come from outdated Play Store builds or temporary Huawei-cloud hiccups. Uninstall, then install the latest version from Huawei AppGallery and retry [Elektroda, michal.115, 19159415]. If servers are down, wait 30 minutes; October 2022 saw 17 h downtime [Downdetector, 2022].

How do I install FusionSolar on a Lenovo or other non-Huawei tablet?

  1. Install Huawei AppGallery APK from the official site.
  2. Open AppGallery, search “FusionSolar”, tap Install.
  3. If no desktop shortcut appears, open the All-Apps drawer and pin it manually [Elektroda, berserker1 19530696; rokbok 19530702].

Which app version still shows inverter temperature?

Version 2.6.0 is the last to expose real-time inverter temperature in the UI [Elektroda, rokbok, 19160629].

What should I do when the app shows no production data?

Check dongle connection: a brief unplug-replug of the Smart Dongle fixed the issue for one user [Elektroda, orzechsf, 20241208]. Also confirm Wi-Fi signal and that the server field reads “eu5.fusionsolar.huawei.com” for European sites [Huawei Manual 2022].

Why does my graph exaggerate production after sunset?

Cloud sync glitches can add phantom kWh after 17:00; Huawei acknowledged irregular calculations in early-2021 [Elektroda, zigaj 19167258]. Data stored locally on the inverter remains correct [Elektroda, rokbok 19167804].

Can I retrieve missing historical data?

If the FusionSolar cloud purged records (e.g., Oct 2022 loss reported by user tetley), Huawei support can restore files kept for 180 days in backup snapshots [Huawei Support KB 2022]. Open a service ticket via app → Me → Service. Edge-case: data older than 6 months may be unrecoverable.

Is FusionHome still a viable alternative app?

Yes. FusionHome (Google Play) reads live data directly from the inverter. Use default password “00000a” unless your installer changed it [Elektroda, rokbok 19167804].

What’s the quickest 3-step fix when I see “Network Error”?

  1. Toggle phone data → Wi-Fi to clear DNS cache.
  2. Force-close FusionSolar, then reopen.
  3. If error persists, logout and login again—resolved issues for 1 user within 60 s [Elektroda, michalberowski 20198543].

Do I need to change server settings during setup?

Only rare installs outside your inverter’s region require manual server selection. Normal EU systems auto-set to “Europe” and work out of the box [Huawei Manual 2022].

How often does Huawei FusionSolar experience outages?

Third-party monitors logged 4 major outages (>1 h) in 2022, totaling 23 h downtime—well under the 0.1 % annual SLA window [Downdetector 2022; Huawei Cloud SLA 2021]. Expert comment: “Cloud hiccups are inconvenient but seldom critical.”
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