Repairing removed devices

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#1

Hi,

I’ve got half a dozen HM-Sec-SC-2 sensors which I deleted (prm) without unpairing or resetting.

I use a custom AES key and a custom centralAddress

Now, I am trying to reconnect some of these, but I cannot hard-reset them (because of the AES key) and activating pairing mode + pusing the button does not lead to a repairing. I see the following packets:

0C00A24153CD89FD13370101C8
0C00A64153CD89FD13370101C8

I tried to manually add it by using pa 00B1 53CD89 NEQ1680251 2.4 but that returns Device type not supported.

The AES key and the centraladdress are with 100% certainty the same now as when they were still paired.

Is there another method to reconnect these? Or is it a lost cause?

Thanks!

#2

paging @sathya

#3

Figured it out. The firmware version needs to be specified in byte form, not float.

So I did a pa 00B1 53CD89 NEQ1680251 24 and pulled the batteries a few times, and it’s working now.

Sorry for the noise :slight_smile:

3 Likes
#4

No noise to see here :wink:
Thank you for documenting.

#5

Hi @infernix,

nevertheless the repairing should’ve worked.

0C00A24153CD89FD13370101C8

This is no pairing packet though. Did you activate the pairing mode on the window contact?

Cheers,

Sathya

#6

Neither pairing nor reset worked. I suppose it can’t enter pairing mode if it was already paired and i only did a peer delete; the sensor isn’t aware of any unpair or reset.

#7

The pairing packet is also sent to request configuration updates. So it should definitely have been sent. No idea why it wasn’t.