But I would strongly suggest that you get a good alarm engineer to do this for you. The panel can be completely reset to factory defaults and then reprogrammed. If the default engineers code does not work, all is not lost. The strobe however is not working, I suspect the bulb but it could be a panel fault. Just had to reconnect the speaker as one of the wires had corroded through, sounder now works.
#SCANTRONIC 9000 ENGINEER MANUAL MANUAL#
Whilst you have the lid off, check that the mounting bolts for the transformer are tight, which is about 1/3 the way down from the top on the right. Scantronic 9000 Engineer Manual Read/Download Scantronic 9930 Manual, Installation Manual scantronic 9930 Clavier (Alarm) - French Download Free repair help - scantronic av9000 input user codes reset. I have a Scantronic 9000 system which is about 27 years old, only needed occasional backup battery changed and the 16ohm speaker in the bell box changed over 27 years. When you have replaced the battery, replace the lid, key in 99 then enter, and you have finished. This sort of hum usually only occurs when the power has been down for some time (eg 24hrs) and the battery is recharging from low-level. manual for the scantronic 9000 series alarm.
#SCANTRONIC 9000 ENGINEER MANUAL MANUALS#
Once the engineers code has been entered successfully you can then remove the lid, change the battery, do NOT remove mains while you do this otherwise you will lose all settings and will have to completely reprogram. Why is my Scantronic 9000 series alarm humming loudly I have a very old (c1986) Scantronic alarm unit which is working normally except that it is starting to hum fairly loudly: normally it is very quiet. Scantronic 9448-95 Engineer Manual - User and Service Manuals Scantronic 9448. However, there is a high chance that this was changed by the original installer. The default engineers code is 0 (zero) then enter, then 7890 enter.
To remove the lid you first need to enter the Engineers code, which is not the same as the customer code. Richelieu 89021U28310 U28 Double Anodized. To change the battery you will indeed need to remove the main panel lid. Fire, Keyswitch1 Fixed: Entry/ExitHome Set FacilityManual Scantronic 9000 Engineer Manual 6,8/10 2073reviews. You can get this for about £12-£18 from screwfix depending on model. I'm not sure what size battery is in this model but it will be a 12volt lead acid either 7Ah or 3Ah.
Rob, certainly the battery sounds as though it needs replacing.