Fair enough, I could tell you what I noticed changed in the interface but the firmware was upgrade from version 3.* to 6.x so I can't tell you in what version the changes were introduced.
I also noticed that other than the HMI (Human Machine Interface??) version, the other main firmware version numbers match exactly with what the Sunynk thread has as the latest.
On the positive side I did send them one email and the next day they confirmed the serial number and then performed the firmware update so they are at least quick about it.
I can also reveal that no problems have been observed with the new version. The batteries charge when there is grid power and discharge to supply the load when the grid power is interrupted. There are no solar panels in this setup so I can not provide observations on their function before and after the firmware upgrade.
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I'm a guy that if there is a firmware update, then it literally means there is an update to atleast improvement if not fix. Some people are "aint broke aint fix". But for me, I wont wait to encounter the problem that a firmware update made to fix that "not yet encountered problem".
That distributor had no clue whatsoever with his statement of "it's just a change in version numbers". People really should make sure they know what they are talking about before spreading nonsense like that.
The version numbers exist to keep track of the differences in the compiled software code that runs on embedded devices, i.e., firmware. Those differences include things like new features and bug fixes. The manufacturers who release new versions are not releasing them for fun. They have to pay expensive salaries to software and hardware engineers to figure out and fix those bugs, develop new features and then verify that they are working as expected without breaking something else. I noticed at least two changes in the interface between the two versions.
The one thing where people get scared of firmware updates is that if you mess up the update process, e.g., by interrupting it or using the wrong firmware then you can render the device inoperable or "bricked". Over the years I have worked with a lot equipment that had firmware in it. I have performed so many updates that it may well be in the high three figures if not the four figure range...
I have "bricked" exactly one personal device when I forced the firmware for a different piece of hardware on it. To "unbrick" it I had to solder some pins onto the PCB to be able to connect a serial cable and resurrect it by installing the correct firmware on it. Prior to that I had managed to resurrect multiple pieces of hardware at work that were considered broken by following the recovery process to update the firmware on them. That certainly saved buying new ones.
Don't tell anyone but if the underlying firmware is the same then it may be possible to flash a Deye with Sunsynk firmware and vice versa. If anyone gets hold of the actual firmware files for the same main version for each brand I'll see if I can unpack them and verify if the contents are identical and not just the version numbers. That assumes of course that the firmware is distributed in separate files or the separate files are bundled together in a way that can be unpacked. This is one possible reason why a manufacturers may not want to make the firmware files available for download.
I don't have release notes and the only other way to figure out what visible changes took place is to look very carefully at two different versions and note the differences.
If anyone every has a specific "XYZ" problem when running one version of the firmware that is then resolved when Deye support updates their inverter to a newer version containing the fix then they would be able to report that the new version contains fix for "XYZ" version.
I would recommend asking politely for a copy of the release notes. However, as someone who has compiled release notes, not everything that gets changed makes it into the release notes. Also developers seem to not enjoy writing release notes.
not yet. Its not that I cant its that Im a little scared to blindly update it seen to many people having issues with deye updates so was hoping somebody could confirm their version numbers to give me a little more confidence.
Why are you asking technical support questions about battery charging problems in a thread about firmware versions? Your request for help is less likely to be seen here and you are pulling this thread off-topic for other people who are looking for firmware versions. Don't do that guy, start a new thread!
P.S. All the problems you have mentioned seem to relate to batteries. Check your battery settings in the inverter, if the voltages are wrong then that could explain why your inverter has been complaining about DC Low Voltage for more than a year.
I posted it here as the problems started after a firmware upgrade, so that people are aware of the issues with that firmware version and don't have the same issues as I have had and ignore/skip that version.
Ah, fair enough. Thank you for this post ^^^ with the resolution details. I'm sure that could help someone.
It looks like you have a newer Human Machine Interface (C362) than what I have (HMIVC.3.5.D) but they seem to have downgraded your main firmware slightly from 6.0.2.2 to 6.0.2.0. When I asked them for an upgrade I mentioned that I was having trouble getting the inverter to talk to the batteries in Lithium mode so I have it setup to use voltages. Maybe that is why they supplied version 6.0.2.2. Although I see in a separate thread that my troubles may be related to faulty cables.
Btw in my earlier reply I did not mean that your batteries were faulty but that the inverter may have had the wrong settings for the battery stored in its firmware and thus did not want to charge them. As it turns out it seems that it was not so much the settings in the firmware but the firmware code that uses those settings. e24fc04721
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