Fronius Reserva Changelog v1.6.0-0 Oct2025

2.1 RESERVA

2.1.1 Bundle 1.6.0-0

New features

/ The message for parallelization mode has been adjusted
/ The efficiency of the calibration charge has been increased.
/ The discharge power of parallel systems in emergency power mode (full backup) has been increased.
/ The calculation of the state of charge of parallel systems in emergency power mode (full backup) has been improved.

Bugfixes

/  The severity of some error types has been corrected.

2.1.2 Bundle 1.5.0-0 

Bugfixes 

/ Improvements of the the forced charge logic 

/ Improvements of the SoC Algorithm during temperature changes

2.1.3 Bundle 1.4.0-0 

New features 

/ Inverter can check for serial number of the battery. 

/ Increase of the overvoltage protection threshold to 608V (3.8V*32 cells*5 modules). 

/ Some data is stored in the module to prevent data loss in case of a BMS change. 

Bugfixes 

/ Fix the software bug: For every fault that needs to open the DC-breaker, the software would only shut off the BMS without opening the DC-breaker. While for every fault that needs to only shut off the BMS, the breaker would open. 

/ Fix various software bugs. 

/ Fix timestamp errors of various registers. 

/ Fix bugs in the position of faults in the fault buffer. 

/ Fix the resolution of a register. 

/ Fix various software bugs. 

/ Fix the level 3 fault report through the fault buffer issue. 

/ Fix the addressing fault in parallel mode due to timeout issue. 

/ Fix the synchronizing fault of the stack flag which is set in the one-tower application.