Visonic Powermax

19 Mar 2022
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Re Visonic Powermax.
I recently changed the sim card in the GSM module. Now, the system arms okay but it is reporting a "Network Error" and when the alarm goes off the system fails to call out to my mobile phone like it did before. I have tested the new sim card in a mobile device and it works okay. Any advice?
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It's an ordinary sim card that works in my mobile handset just fine. I'm in Belgium so you might not be familiar with the network which is Proximus.
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The solution to this is to remember to disable the sim card's pin code whilst it is still in the mobile handset.

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