Samsung SmartThings app: cannot add washer – “at least one location required” with only “Deny”

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Hi,

I’m using a Homey Pro 2026 with the official Samsung SmartThings app.

My Samsung washer is correctly connected to SmartThings:

SmartThings Location: Home

Room: Wasruimte

Device name: Wasmachine Wilderman

The device works fine in the SmartThings app on my phone.

On Homey I do the following:

Go to Devices → + → Samsung SmartThings

Select Washing Machine from the list of device types

Then one of two things happens:

Either I get a black screen and the wizard never continues,

Or I get a message:

“Er is tenminste één locatie benodigd om …”

and the only available button is “Weigeren” (Deny) – there is no way to select a location or accept anything.

What I have already tried:

Restarted the Samsung SmartThings app on Homey

Fully power‑cycled Homey Pro (unplugged for >10 minutes, then booted again)

Restarted my phone

Verified that my SmartThings account and location are correct and that the washer is visible and working in SmartThings

But the problem persists: I cannot get past the “at least one location required” message (with only “Deny”), and I cannot add the washer to Homey.

Could you please check if this is a known issue with the current Samsung SmartThings app on Homey Pro 2026 and SmartThings’ latest changes (locations/permissions), and if there is a workaround or fix?

Thanks in advance.

2

Do you have a shared SmartThings home? Make sure you have at least the “Full access” permission

3

Yes, I have…

4

Sometimes some buttons appear to be invisible.
Try to add the device using my.homey.app instead to see if the screens make more sense.

I use the Smartthings community app by the way.