Will try this too but on diagnostic its showingMove wiring to a different zone and see if goes O/C in diagnostics
On diagnostic all I see is view psu which shows 13.4V and then view inputs where it shows F? Doesn’t let me scroll throughWhen looking at the endstation zones on diagnostics, press yes, will let u scroll through the zones and show resistance values. Should be 2.2k/6.9k with lid on pir. Its showing F so is not seeing the correct resistance value. Move to another zone as the input may be faulty, can also try moving the yellow wire on the pir across 1 terminal to rule out device tamper switch, if that dont work will have to get the multimeter out