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Multiple Time Calibrations on microinverters #1891
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Same here with HM400 |
No one (except Hoymiles) knows when this event occours. Sometimes it occours when when sending commands in a too short time period, sometimes when the RF connection is bad, or when sending invalid packages. It's also not 100% clear if the error text is correct (previously it was defined as "DTU command failed"). |
i never update HOymiles firmware , and i never had this message before i upgrade from 22 to 24 firmware. |
Hi, for what it's worth, I get the same 'output' (on both) if I connect an Open-DTU parallel to the Ahoy-DTU . |
Thats normal.... Two DTUs on one inverter lead to crappy data, unknown side effects and other isssues.... |
Good evening, |
Sorry, unfortunately not 😔 |
Sometimes my openDTU device acts up and successively dis- and then reconnects to the MQTT server. I noticed this when looking at the logs of my openHAB server. Simultaneously I also see a similar number of "Time calibration" messages showing up on all my inverters (4). |
I try to roll back with firmware. But I get some errors. It could be FW 23.3.28 |
I don't know, but I remember, that I have change another thing. |
Some days later... Saturday, one inverter don't do anything. wtf, I tried a lot, ... Today, no missing data, all inverters send data. I change CMT2300A Frequenz from 865 MHz to 866 MHz. Question: If CMT2300A is for connection to HMS/HMT and Hoymiles uses 868 MHz. Why is it at 865 MHz? |
I had the same with any OpenDTU version newer then v24.4.12 with an Hoymiles HM800-2T. Lot's of data loss as well (no response from Inverter for extended period. Inverter is like 2m away from OpenDTU. Power Supply of OpenDTU stabilized with capacitors on RF Module and ESP32 Board. I Downgraded to 24.4.12, no Issues any longer. I also have no idea what the problem may be. From the changelog it seems like only minor changes to WebGUI and other cosmetics but no changes to communication. |
What happened?
Hello
since Firmware update from (23.3.xx) i get on two(of 6) microinverters a lot of time calibration.
Microinverter is not reachable for long time, up to 2h.
All 6 inverters:
Modell | HMS-1600-4T
Bootloader-Version | 0.1.0
Firmware-Version | 1.0.18
Firmware-Erstellungsdatum | 2022-08-26 20:51:00
Hardware-Teilenummer | 270680323
Hardware-Version | 01.00
To Reproduce Bug
no
Expected Behavior
Look if you can find the reason.
Install Method
Pre-Compiled binary from GitHub
What git-hash/version of OpenDTU?
v24.3.31
Relevant log/trace output
Anything else?
Other 4/6 inverters don't give any message "time calibration"
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