pyronix 46 comms 485 fault

Joined
26 Jun 2006
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Location
London
Country
United Kingdom
so the key pad on our pyronix 46 no longer seems to work properly

if i try and enter the code when i get to the fourth digit an error 485 comes up, after a bit it goes away
weirdly the fob still seems to arm the alarm

but i cannot get into the engineer menu either as same problem

i have done the long press on D and checked that the address is 00

bit worried if i take the case off to check the wiring and the tamper alarm goes off i won't be able to reset it if the keypad is not talking properly

any thoughts on what we can do?
 

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