dazoman1 Posted November 28, 2013 Share Posted November 28, 2013 turnt on a new galaxy 48 panel today and recieved stars on the keypad end, thought might of been cable issue so made a flying lead off and connected keypad by panel, still recieved same problem.. yes made sure A and B was right way around also dip switch was correct set to two, took all over rios off system to see if something was dragging it down or address was the same somewhere and still stars.... tested voltage off A and B and had a constant 3.2v this should of been jumping all over the place according to technical support has anyone else had these issues with galaxy? Link to comment https://www.thesecurityinstaller.co.uk/community/topic/35722-galaxy-48-control-panel/ Share on other sites More sharing options...
matthew.brough Posted November 28, 2013 Share Posted November 28, 2013 The voltage should as they say be varying as it's a 485 line. Yes, I've had plenty of galaxy's die on the bus. It's an expensive pcb to replace too. www.securitywarehouse.co.uk/catalog/ Link to comment https://www.thesecurityinstaller.co.uk/community/topic/35722-galaxy-48-control-panel/#findComment-356340 Share on other sites More sharing options...
goncall Posted November 28, 2013 Share Posted November 28, 2013 I take it you tried another rkp leave the rkp off and see if the Rios come on line,if not its the panel. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/35722-galaxy-48-control-panel/#findComment-356344 Share on other sites More sharing options...
dazoman1 Posted November 28, 2013 Author Share Posted November 28, 2013 i took off keypads and tested the bus line and still had 3.2v so must be panel.. didnt have spare rkp Link to comment https://www.thesecurityinstaller.co.uk/community/topic/35722-galaxy-48-control-panel/#findComment-356346 Share on other sites More sharing options...
GalaxyGuy Posted November 28, 2013 Share Posted November 28, 2013 Is the on-board telecoms LED flashing at all, or isn't the panel starting up ? I've repaired a few Dimension PCB's, but they're normally pretty robust. Faults I've seen have usually been down to install error where the +12V line has been applied to the data. Also seen corrupt flash and a pcb that was fried by lightning. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/35722-galaxy-48-control-panel/#findComment-356349 Share on other sites More sharing options...
dazoman1 Posted November 28, 2013 Author Share Posted November 28, 2013 yeah panel starts up, telecoms led does flash .. once every second Link to comment https://www.thesecurityinstaller.co.uk/community/topic/35722-galaxy-48-control-panel/#findComment-356350 Share on other sites More sharing options...
GalaxyGuy Posted November 28, 2013 Share Posted November 28, 2013 It's going to be keypad or the bus on the panel. At the panel (with keypad disconnected) measuring the differential bus needs to be done with respect to ground and not each other (A-B). You can also power down and measure resistance with respect to ground, If the reading is only a few ohms, then there is a hardware fault on the PCB. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/35722-galaxy-48-control-panel/#findComment-356356 Share on other sites More sharing options...
dazoman1 Posted November 29, 2013 Author Share Posted November 29, 2013 just an update, i got a new panel and keypad did try new keypad first but had to do a panel change Link to comment https://www.thesecurityinstaller.co.uk/community/topic/35722-galaxy-48-control-panel/#findComment-356619 Share on other sites More sharing options...
Lwillis Posted November 29, 2013 Share Posted November 29, 2013 I've had a few bus lines fail on them Link to comment https://www.thesecurityinstaller.co.uk/community/topic/35722-galaxy-48-control-panel/#findComment-356629 Share on other sites More sharing options...
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