Ohme Home Pro Hiccup?

[securespark]

Getting ready for middle lad and Mrs S to come home.

Middle lad comes in first.

Then Mrs S comes in. I'm cooking her dinner, fried salmon on the gas hob, reheated veggie curry in the meecro-warvay. I look down at the IHD3 for the smart meter and it's red. Sometimes when the lad gets in, it goes amber when the lad fires up his millions of IT devices and screens, but it stayed red for ages and racked up the pennies alarmingly. I went round and checked all the major appliances and they were all off.

Looked at the Ohme App and it said it wasn't charging, but mentioned the red display to Mrs S and she said she had plugged the car in.

Normally, she tells me when she has plugged in and I go to the Ohme app and it's asking for charge authorisation, then I tap.

But the app wasn't asking to be tapped. But I went outside and unplugged the car.

Now the IHD3 is showing amber.

So, obviously this time she has plugged in and the car has gone straight into charging mode, without waiting for authorisation via the Ohme app.

What has gone wrong?

 

[Martinonline]

Have you checked the Ohme Pro to see if the authorisation setting has changed?

 

[securespark]

Thanks.

Hmm. I haven't changed anything since it was set up by the installer in August 2023.

How do I even do that?

 

[Anon70]

Should be under:
Settings
My Charger

 

[Robf]

Check that the unit is connected (top right green dot, red or amber if not connected). I had to phone up Ohme for similar problem which was down to sim card losing connection, they did an update and I restarted, now working fine.
You should try turning off power to unit for 15 minutes, turn back on and see if this fixes issue first.

 

[securespark]

Thanks all.

I'll check this later.

 

[securespark]

OK.

Checked a couple of things.

 

[mg4mc]

You appear to have a 100% charge scheduled for every day!?

 

[securespark]

Yeah. But we don't plug in every day.

We do mostly local driving and only plug it in when it drops sub 30 or when we are going further afield.

We used to have it set up differently, but then Octopus said that if you'd like us to take charge (no pun intended) of when you can have a cheap top-up, you need to set up the Ohme like this, so that's what we did.

 

[mg4mc]

That is wrong. With IOG you should not have any schedules enabled.

As per the instructions in the app, you set two things: how much charge you want add, and when you want it ready by.

Plug in, and IOG works out the rest.

 

[securespark]

Thanks.

Oh.

It has seemed to work OK so far.

So what do I have to change?

 

[mg4mc]

Go into Routines from the main screen and make sure anything defined in there is disabled.

The main screen should now show "Dynamic charging.... On"

You then have two other settings on the main screen...
"Top up my car by", and "Ready by".

The top up setting is the one you need to change each time you plug in, set it to percentage charge you want to add to the car this session. I normally leave the ready by setting at 9am unless I have an early start.

That's it, plug in and IOG will send a schedule to the Ohme of the time slots they want you to charge.

Note that the schedule may change during the evening as the grid power demand and the amount of renewable energy fluctuates.

 

[unbornidentity]

That is wrong. With IOG you should not have any schedules enabled.

As per the instructions in the app, you set two things: how much charge you want add, and when you want it ready by.

Plug in, and IOG works out the rest.

That’s not correct. You can have a schedule (routine) but only one should be enabled at a time. I need the car at 05:50 most days so wouldn’t want to faff about setting a ready by time every time.

I’ve got one set up and it’s been like that for a a couple of years. It’s set to 30%, I just alter the target amount after plugging in and it recalculates if I don’t need as much as or more than is already set. I agree leaving it at 100% isn’t really necessary (I don’t) but will generate a load of extra cheap charging slots.

It sounds more like the OP has lost the connection to Ohme/Octopus so it’s gone into boost charge which it will do if it loses connection. I don’t use the authorisation feature but mine has gone to boost charge when offline.

I’d suggest trying again and seeing what happens. It may have temporary gone offline (it’s online in the screenshot). If not then look up how to restart the charger.

 

[mg4mc]

But you wouldn't have to change the ready by time every time. It stays set at a time until you change it again. If you override the schedule percentage each time that is right. But then what is the schedule doing for you?

 

[securespark]

There is only one routine set, but like I said, I don't charge every day:

 

[Tig170]

We have the same set-up, all looks 100% correct for IOG. If its very windy or sunny Octopus may need to offload energy from the grid, hence your car will charge as you plug in, nothing to worry about as the house & car will be billed at the offpeak rate.

 

[Everest]

That really is rubbish wording on the Ohm App...

How's it going to add 100% if the vehicle's not at 0% to start with

 

[Tig170]

That really is rubbish wording on the Ohm App...

View attachment 40382

How's it going to add 100% if the vehicle's not at 0% to start with

The AC charge point on the wall has no idea what charge level the car is, there isn't any "data" as such going between the car and charge point, hence it will only add upto +100% of the quoted battery size. On the ohme app you can create a generic car which you can define the battery size and charge rate, which is useful if you have more than one EV, or want to charge your car at a slower rate for a longer period, for example.

 

[unbornidentity]

The AC charge point on the wall has no idea what charge level the car is, there isn't any "data" as such going between the car and charge point, hence it will only add upto +100% of the quoted battery size. On the ohme app you can create a generic car which you can define the battery size and charge rate, which is useful if you have more than one EV, or want to charge your car at a slower rate for a longer period, for example.

It’s a shame there is no sign of MG giving api access to Ohme. My Cupra has api integration with Ohme, so you could just leave it at 80% in the routine and it would automatically adjust the amount to add by querying the cars charge level as soon as it was plugged in

 

[mg4mc]

Can you imagine that with an MG API though, it would be like iSmart, you'd need to refresh it about 10 times, give up, go out and unlock the car, refresh again, sacrifice a virgin, and maybe Ohme would get the charge level from the car.