Top of the range does not necessarily mean Grade 3 equipment.
What purpose does anti masking have in a domestic property and fault monitoring...
Look at eurosec cp8l
If you do not have user code then panel will need to be defaulted.
Control panel code be engineer locked
Is there enough space to fit shock sensor down edge of the door ?
Texecom do a shock with combined door contact , but could be tight.
I agree looks too tight to fit shock near lock.
Poor position for existing shock sensor
Door contact will be fine.
Moving the shock to the that new position is not advisable,too close to the...
To isolate the 12v this must be done in the control panel,then you can make the zone not used in engineer programming.
Post photo of shock sensor...
Hold the spring tamper switch in with your finger on the control panel and reset with code.
Is the battery connected ? Is the battery old ?
Are you sure it is a CPX and not CP8L as the default resets are different.
Sounds like you have done a full default and the panel now needs to be completely 're programmed.
Should have asked questions before default panel
If the zone is wired EOL then you need to put a 2.2k resistor across the zone in the panel not a wire link
Post photo of pcb wiring
How have you linked the tamper out at the pcb ?
Check the connections on the contact are secure.
Possible problem are poor connection, damaged cable ,faulty resistors, faulty contact.
Take the Batteries out of the wireless bell box.if noise stops issue is with bell box?
Could be low battery voltage, faulty bell box !
Have you got any smoke detectors in or around that room?
Post photo of interlink wiring at each detector
Possible blown fuse in control panel?
Need to check 20mm glass 1amp aux power fuse
Do have any movement sensors ?
You could use the voice recorder in place of the peep.
You can record a separate messages per zone.
Separate names with a comma.