battery fault

Hi, Wonder if anyone can help, I’ve moved into a property and it has a Gardtec alarm. I’ve never used this but It’s went off randomly three times over two month I have the engineers code to silence it, but can’t read anything on the keypad, everything is distorted on it. I’ll attach a picture...

My alarm was showing a Battery Fault 100 error, so I replaced the battery and all appeared to be well initially. However, after a few hours the Battery Fault returned, and shortly after that Low Volts. I'm wondering if there's a PCB fault that's discharging the battery? Any ideas please?

Hi all, I have recently had a system fault reported on my alarm (Telecom Premier 24 Plastic), saying Battery Fault. I've read on here that these are relatively inexpensive and easy to replace yourself (I found this guide also...