[Roller Shutter 1 Or 2 Contacts?]

a 3m roller will be fine with1 contact - that's all I was saying.

[Roller Shutter 1 Or 2 Contacts?]

As far as I can see from this post, it's a grade 2 system so you'll be fine with a single contact.

[Chubb Guardall Px500]

Sorry

[Chubb Guardall Px500]

No engineer code if it's a chubb panel. It uses pin of the day (a daily rolling code up to 1600 days ish).

Once you have defaulted the config and the codes, the master user code will be

And it will reset to default pin of the day, as all chubb panels do when you down power them.

Anything else just PM me.

Oxford please no defaulting information in the public areas! Please familiarise yourself with the forum rules if you are unsure