Solis inverter settings

Changed it to back up last night...didnt see any where to set percentages. Just checked 20mins ago and battery charged up fully by 3am which i had set but then started using it straight away unfortunately so was back down to 20% when I checked. Have it back changing now again and changed setting back to self use and hoping it will be charged to 70 or 80% by 9ish

I have a Solis 6kwh hybrid 5G and you should have seen the Reserve SOC value as soon as you clicked Backup mode like this:

Maybe you have different generation/firmware?

Apologies my bad. Mine is the same as this. The problem was I never actually turned on back up🙈. Sometimes I get mixed up selecting options in the solis inverter if there is just 2 options eg on/off. I think the one in blue is what should be selected, not the white! I tested today and was able to set SOC at 90% with backup turned on and it charged from grid and stayed at 90%. Thanks for above post as It made me realise I must have done something wrong as I have same 6kwh hybrid inverter.

I have self use on, then the choice of time of use or charging from grid.

If i want this to stop charging at the times i have set for winter - then i change run to stop.

But maybe you have a different model or firmware to me.

@KeRbDoG what exactly is the issue you are seeing?

So what i've seen is that any excess solar the house doesn't need, is being exported and not being pushed into the battery pack.

I've selected 'Self Use' and the above are the timings - am I missing anything silly?

Do i need to go into 'Backup' and ensure that is switched 'off' also?

OK, do I put the charge time to 00:01 - 23:59 or no need?

Right now I just want the batteries to take any excess solar during the day and feed that back to the house whenever there is demand. Not using night rate (yet).

Unfortunately the unit doesn't allow that - 'save&send' comes back with 'failed' :(

Set the charge time as above midnight to 8am. Set discharge to 00 00 and save. Make sure itsset to stop.Thenyou should get that you need.

Anyone know if it's possible to disable discharge from battery when zappi is charging car, kicks off at 02:00 until full or 08:00 (super cheap rate from 02:00 to 04:00). I have a 10kw battery and depending on charge state I could let it power the house from 23:00 - 02:00 and 04:00 to 08:00 in addition to the current 08:00 to 23:00.

Background usage at night is approx 350w / hour so 7 hours would be approx 3kw, but the car often pulls in 10+kw during this time and dont want to drain the battery before it get a change to replenish during day

Evenign all.

Had my 5kw PV system for a month and yesterday got myself 10Kw of Puredrive batteries installed.

Worked absolutely fine until 7 am this morning when the power went off in the town. I started tinkering trying to get the power on through the Solis inverter and batteries with no avail. (a question for later)

Anyway, when the power came back I noticed the batteries were not behaving and giving me Over Voltage Battery hardware alarms, not discharging.

I have been trying lots of settings all day and what seems to be happening is the battery gets to 100% charge and then stops with the "Over Voltage Battary Hardware (186AF)" alarm.

It's not discharging and feeding back into my house and I'm using grid and solar only.

It seems I have set something up wrong or tinkered with the wrong thing. Used the tips in this thread to turn off all but Self Use (hope its auto). Solar installers are useless at their support.

Any further tips?

I agree with @MAULBROOK to talk to your installer as this is new system and they should help and fix it for you.

Here are things that I would try:

1. Check battery settings. In advanced settings\Storage energy set\Battery select. See if correct battery is selected. Should be PureDrive LV. If it is PureDrive then try to set to no battery save settings exit and set back PureDrive and save again. This should load PureDrive profile with default settings. Leave it running and see if it fixes the problem. If not see 2.
2. Check control parameters In advanced settings\Storage energy set\Control parameters you should see screen below. See what values you have there. Do not change them just post what you see.

I might be able to explain that. Your battery is nearly full in that screen shot. (95%)

Some BMS (Battery management systems) slow down the charge rate as it approaches full capacity, so even though you might have available current, it doesn't pull everything it can to protect the battery. Same with car batteries. Quick to get to 80% but over that the BMS controlls the current going into it to make it last.

Just a theory. Be interesting to see the behaviour with the battery say 50-60% full.

My apologises. I misread that. On the plus side, while it's discharging, it's discharging at 11watts, which is very little. There is a certain inaccuracy on the CT clamps. It could be down to that. it's a familiar topic on the battery thread, these "phantom" charges/discharges.