Firmware Versions
A common problem, following an inverter firmware upgrade, is that the inverter CT clamp is disabled. It isn't clear why this happens, but its possible this is done as part of the upgrade to effectively put the inverter into a passive mode. If the inverter does not output power to your house following a firmware update:
- Go to the inverter front panel
- Press Back so the inverter menu appears
- Go to Setting and enter your password (default is 0000)
- Go to Features, Meter/CT, Set, CT
- Enter to set
Another issue you may see are changes in the inverter total energy counters - especially Load Energy Total but others may be affected to. For example, following a firmware update, you may find Load Energy jumps by 1-2GWh. I've also seen changes in PV Energy Total, Output Energy Total, Charge and Discharge Energy Total by between 350kWh and 700kWh. There are no known fixes for these changes.
There is a work around for Load Energy Total included in this integration by setting the input number Load Correction.
To work out the correction:
- Find the current value of Load Energy Total e.g. 201,542,635.5
- Multiply by 10 (2,015,426,355) and convert to Hex (0x7820F733)
- Take the first 4 digits of the result and set the next 4 digits to 0000 (0x78200000)
- Convert this number to decimal (2,015,363,072) and divide by 10 (201,536,307.2)
- Set your Load Correction to this value.
This will take the entity Load Energy Total and work out the entity Load Energy Correction based on this.