Significant problem with the Growatt server

colinshead

I believe there is a significant ongoing problem with the Growatt Server.
If the ShinePhone App, receives current data from the Growatt server it works perfectly, as does WonderWatt.
During a fault episode, the graphical representation on the both the Dashboard and Plant screens shows no data. If you compare the attached screen shots (one normal, one faulty) you will see what I mean, with the inverter shown as being offline (which it isn't) in the faulty case. The inverter is connected solidly to the Ethernet via a ShineLan adaptor.
The same thing is true if you access the Growatt server on the web, it exhibits the same issue. Third party Apps that log into the Growatt server (such as WonderWatt) also exhibit exactly the same problem.
The issue I believe is simply that the server, at apparently random intervals, simply states that the inverter is off-line, which it isn't, and the App or the Web displays old data (often hours old) and states the battery SOC is 0% which it isn't.
I believe there is a significant issue with the Growatt server, it either cannot handle the number of concurrent connections required, or cannot handle the transaction volume, has insufficient resources available, has a programming fault or connectivity issue.
I am far from being the only user who has this problem, the various Growatt forums, and others, are full of complaints etc.
I have raised the problem with Growatt at service@ginverter.com.
I would appreciate comments from other users.
All the best Colin

kerregan

I have not experienced this problem. My Growatt system has been operating for over 2 years.

colinshead

Hi, not everyone does. It's odd. If you look at the Facebook Growatt UK Only Group you will see that there are quite a few users having the problem.
Others, like yourself have no difficulty.
It's not clear why this should be so, and Growatt don't appear to be very interested.
I'm concerned because if you use smart grid charging, then having the battery state of charge incorrectly reported is going to render smart charging useless.
All the best Colin

colinshead

Problem now resolved.

I removed the ShineLAN dongle and replaced it with a ShineWiFi-X dongle. Not the easiest dongle to configure. It proved incompatible with my modern Linksys Mesh system, (2.4 and 5 Gb bands). I created a sub WiFi network using an old Netgear Wifi extender which operates only in the 2.4 Gb band. The ShineWiFi-X dongle configured easily with this arrangement, and has not faltered since. Datalogging is solid at every 5 minutes. The ShinePhone App and Wonder Watt all work perfectly.

I've no idea why the ShineLAN dongle had problems. It could possibly of been subject to interference from my Hive central heating controller that also uses a RF link.

All the best

Colin

admin

colinshead Glad you got it resolved!