Ok, sorry.
Lets start over, I'll try to be as precise as possible. - I know I confused you with the wrong version information on the second thread.
I am running the Victron Setup since 07/2023 with the 2 "old" US3000C.
So one Victron Multiplus II with Cerbo GX and Lynx Distribution.
The two Batteries connected with one uplink kit cable set to the lynx.
Batteries paralelled with the shorty cables and connecting positve uplink from the lynx on one US3000C and negative uplink on the other US3000C.
The setup was running since that day and night without any issues or errors.
The Usecase is single phase ESS and critical load UPS for the IT Equipment and Fridge.
There is no DC Charging from PV on the setup - I have 5 microinverters from Hoymiles that are AC coupled to the grid. (4xhm1500 on the roof, and 1xhm800 on the balcony)
End of October I ordered 2 US3000C at a german reseller for Extending Capacity.
I ordered one additional Uplink Kit as well, since I wanted to hook it up like the other one paralelled to lynx.
I received goods about two weeks later.
When unwrapping the two US3000Cs I switched them on and started BMS to see if they come up properly.
One did (green led blinking, SOC about 50%), the other one did not show any Leds first, and after cycling again went into "ALM LED on" state.
None of my others ever did that, so reading the manual I came to the conclusion that LED on, no beep means undervoltage.
Manual states to charge until LED goes off.
So I measured with a Voltmeter, and did not see any voltage at all. Hooking them up to the other block without Can Connection to Balance it, or trying to charge with Bench Power Supply at 53 Volts / Limit 200mA did not Change the condition. The US3000C was not accepting any charge.
At that point I was contacting the reseller, asking for replacement.
I was asked to send the device to effekta directly, shipping on me. I was also warned that in addition to shipping the cost for checking at effekta will also be in my charge if they conclude this is no warranty issue. No other instructions where given at all. Asking for effekta contact, I did not receive anything.
Checking shipping cost for dangerous goods I figured that the total cost to get this fixed might be quite high - leading to further investigation on my own.
So next I was getting a proper USB/RS232 Adapter and hooked up the terminal.
I used the console to check for errors. - but appart from the syserror I did not see any problem with cell voltage or temperature.
I also took some console logs. (the ones I used to copy/paste the wrong version number from later - SORRY!)
Next I was looking for instructions from Effekta.
I found the firmware pack (labeled as latest) on the effekta homepage, and figured a fw upgrade might resolve the issues I am seeing.
Unfortunately I missinterpreted the version number as newer and downgraded the US3000C to v2.8 without any change to the behaviour - LED ON, no Voltage on the
Pack.
Situation was worse now - having a older version on the device, not having fixed the issue.
To make use of the new working US3000C I hooked this one up to the stack to balance, and took it into production after that. Now working without problem since a day (~ 1 cycle, balance of the 3 packs is quite good already) - Still the CAN Master being one of the old ones because of CAN Cable length being too short to reach the new one at the bottom in the rack.
Later that day I found your forum, and read about batteryview. Thinking about additional insights and not beeing in possession of a working copy of batteryview I registered here, and after getting my account enabled used batteryview to produce the screenshots used in the post.
I created the post already showing downgraded v2.8 but did not mention the downgrade unfortunately.
In parallel I found the other post talking about Firmware from June.
Thats why I asked if anyone has a recent firmware, at best the one I already have on the new properly running US3000C or even a newer one if existing, planing to upgrade all to that, if anyone can share it. I forgot to mention that I meanwhile downgraded the module to v2.8 here as well.
This led to all the confusion I produced
Meanwhile I am quite out of ideas what I still can try to recover the not working US3000C - so if there is anything I would be glad to get a hint.
So status quo is:
4 US3000C, 3 in proper production, 1 in the ALM state being separated from the stack and sitting on my electronics workbench. (Still closed since I dont want to void warranty)
Versions are:
Older ones:
Production: 20221027
Board: NF4.E2
Board Version: V10R04
Main Soft Version B69.13.1.0
Soft Version 1.7
Boot version 1.0
Comm version 2.0
Release Date:220825
newer working one:
Production: 20240812
Board: not showing
Board Version: V10R04
Main Soft Version B68.8.0.0
Soft Version 3.0
Boot version 2.1
Comm version 2.0
Release Date:240725
newer errorneous one:
Production: 20240812
Board: not showing
Board Version: V10R04
Main Soft Version B68.5.0.0
Soft Version 2.8
Boot version 2.1
Comm version 2.0
Release Date: 220902
Using MultiSIBControl I figured that it gives pylon_debug access, so I had a look at some command outputs.
I am curious if this is the problem - it seems that the Pack Voltage according to bmic is 49218 while socic is showing 0 volts.
See outputs collected below.
pylon_debug>data
@
-----------------------------------------------
Item Index : 3
Time : 24-11-17 23:05:43
Voltage : 49218 mV
Current : 0 mA
Temperature : 23100 mC
Percent : 39 %
Total Coulomb : 74000 mAH
Max Voltage : 54000 mV
Base State : SysError
Volt. State : Normal
Curr. State : Normal
Tempr. State : Normal
Coul. Status : Normal
Power Events : 0x10000000 SYSERR
Bat Events : 0x0
Bat Protect ENA : BOV BHV BLV BUV BSLP CBOT CBHT CBLT CBUT DBOT DBHT DBLT DBUT
Pwr Protect ENA : POV PHV PLV PUV PSLP POT PHT COC2 COC COCA DOCA DOC DOC2 SC LCOUL
System Fault : 0x1000
-----------------------------------------------
Battery Volt Curr Tempr Base State Volt. State Curr. State Temp. State Coulomb
0 3281 0 21000 Idle Normal Normal Normal 39%
1 3281 0 21000 Idle Normal Normal Normal 39%
2 3281 0 21000 Idle Normal Normal Normal 39%
3 3281 0 21000 Idle Normal Normal Normal 39%
4 3281 0 21000 Idle Normal Normal Normal 39%
5 3281 0 21000 Idle Normal Normal Normal 39%
6 3281 0 21000 Idle Normal Normal Normal 39%
7 3281 0 21000 Idle Normal Normal Normal 39%
8 3281 0 21000 Idle Normal Normal Normal 39%
9 3281 0 21000 Idle Normal Normal Normal 39%
10 3282 0 21000 Idle Normal Normal Normal 39%
11 3282 0 21000 Idle Normal Normal Normal 39%
12 3282 0 21000 Idle Normal Normal Normal 39%
13 3281 0 21000 Idle Normal Normal Normal 39%
14 3281 0 21000 Idle Normal Normal Normal 39%
Command completed successfully
$$
Remote command:
Command completed successfully
$$
pylon_debug>socd
@
BQ34z100 Data
------------------------------
Pack Volt : 100 mv
Pack Current : 400 mA
state of charge : 100 %
Remain Capacity : 400 mAH
------------------------------
Command completed successfully
$$
pylon_debug>tsoc
@
Bq34z100 work abnormal, reset
Test result:fail
Command completed successfully
$$
pylon_debug>soct
@
Chemistry id: 0
Bq34z100 Ra Table
+-----+--------+--------+
|Pos |R_a0 |R_a0x |
+-----+--------+--------+
|flag |0 |0 |
+-----+--------+--------+
|0 |0 |0 |
+-----+--------+--------+
|1 |0 |0 |
+-----+--------+--------+
|2 |0 |0 |
+-----+--------+--------+
|3 |0 |0 |
+-----+--------+--------+
|4 |0 |0 |
+-----+--------+--------+
|5 |0 |0 |
+-----+--------+--------+
|6 |0 |0 |
+-----+--------+--------+
|7 |0 |0 |
+-----+--------+--------+
|8 |0 |0 |
+-----+--------+--------+
|9 |0 |0 |
+-----+--------+--------+
|10 |0 |0 |
+-----+--------+--------+
|11 |0 |0 |
+-----+--------+--------+
|12 |0 |0 |
+-----+--------+--------+
|13 |0 |0 |
+-----+--------+--------+
|14 |0 |0 |
+-----+--------+--------+
Command completed successfully
$$
pylon_debug>tpv
@
socic volt: 0
bmic volt: 49197
Bq34z100 Total volt error > 30 mV, calibrate it
Test result:fail
Command completed successfully
$$