matt6697 Posted November 21, 2015 Share Posted November 21, 2015 (edited) Not sure if anyone has had a simular problem but just powered up an accenta g4 panel today with remote keypad, sounder went off keypad worked etc, but when I checked the pir that i connected to test the system there was no led flashing. So i checked the voltage across the terminals and they read zero volts, i then tested the the cables continuity and everything seemed fine. But when I came to check the voltage on the panel side I got no reading, I also checked the voltage outputs near the fire terminal on the top and these read ov. I checked all the fuses and these were fine! Edited November 21, 2015 by matt6697 Link to comment https://www.thesecurityinstaller.co.uk/community/topic/39390-accenta-g4-no-volateg-on-aux-output/ Share on other sites More sharing options...
PSE Posted November 21, 2015 Share Posted November 21, 2015 Voltage regulator Gone, LM7812, top right of the PCB. Test it with a multimeter, Centre pin 0v, Left pin 12v, Right pin 14-20v If it's in warranty, return it, or its Repairable for £2.00 with a soldering iron. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/39390-accenta-g4-no-volateg-on-aux-output/#findComment-435312 Share on other sites More sharing options...
james.wilson Posted November 21, 2015 Share Posted November 21, 2015 id also meter both sides of the fuse and 0v to ensure its not a fuse issue. Discconect the aux terminals. If new id suggest you havem a short on the aux side. securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/39390-accenta-g4-no-volateg-on-aux-output/#findComment-435321 Share on other sites More sharing options...
james.wilson Posted November 21, 2015 Share Posted November 21, 2015 Reg must be ok as the keypad is running securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/39390-accenta-g4-no-volateg-on-aux-output/#findComment-435324 Share on other sites More sharing options...
PSE Posted November 21, 2015 Share Posted November 21, 2015 (edited) Totally missed the word Accenta, Saw the G4 bit. If it was onboard keypad, Which I assumed it was, It's powered by a LM7805 adjacent to the LM7812. Hence my theory of the regulator. As you say, if keypad is powered then it's something else other than the 7812 regulator Edited November 21, 2015 by PSE Link to comment https://www.thesecurityinstaller.co.uk/community/topic/39390-accenta-g4-no-volateg-on-aux-output/#findComment-435326 Share on other sites More sharing options...
matt6697 Posted November 22, 2015 Author Share Posted November 22, 2015 disconnected all terminals and checked aux terminals still read 0 volts, its a new panel I recently ordered but noticed when i opened the sounder box it didnt come with the fixing screws or tamper bolt, so im woundering if it could have been a return?, also the battery supplied didnt seem to have much juice in it, and they supplied me with the honeywell IS312B detecors when they said they would supply me with activ8 ones. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/39390-accenta-g4-no-volateg-on-aux-output/#findComment-435360 Share on other sites More sharing options...
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