i-on Range Basic Programming ProceduresPage 1718. Press .The control unit saves your changes and the displayshows the time and date:Note: 1) If the control unit is an i-on30EXD, i-on50EXD, or has an i-sd02 or i-dig02 fitted,then the keypad will show an alert when you leave Installer Mode. The alert is forPSTN Line Fault. The reason for the alert is that defaulting the system has deletedall programmed telephone numbers. Re-enter Installer Menu and either re-key theappropriate telephone numbers, or disable communications by settingCommunications – ARC Reporting – Call Mode to “Disabled”.2) After a Factory Default you will need to re-enable the web browser interface andre-enter the control unit’s own IP address (if you wish to program the system by PC).See page 121. Note that you will also have to use the Master User code and UserMenu – System Config – Facilities On/Off - Remote Access option to enable remoteaccess.Defaulting Access CodesIf the User and/or Installer codes are lost then you can set the installer and user codes totheir default and delete all the other users, including their tags, remote controls and HUAs.1. If possible, enter the Installer menu. Note: If you cannot enter Installer Menu then the controlunit will start a tamper alarm when you open its lid.2. Remove mains power, then open the control unit anddisconnect all batteries.Note: This procedure will not work if the control unit lidtamper remains closed.3. Identify the Reset Codes pins on the main PCB (seethe relevant Installation Guide).4. Short the Reset Codes pins together using a smallscrewdriver or jumper link. (Keep the short on untilstep 6.)5. Apply mains power.The control unit loads the factory default accesscodes:Grade 2: User 01=1234, Installer=7890.Grade 3: User 01=123456, Installer=567890.(Note that i-on16, i-on30EX and i-on40 are Grade 2only.)The control unit starts a tamper alarm. The keypaddisplay shows first the software revision of thekeypad and then the words “Please wait...” .After a short pause the navigation key LEDs glow redto show an alert that the control unit lid is open.6. Remove the short from the Reset pins.