26 6-050700 X2212iLW & 242iLW Standalone KeypadInstallation & Programming Manual9. Wire Harness LoopbackConnectionsIf the Master Code is either not working or forgotten, power down thesystem, connect the wire harness as shown in Figure 12 below, andthen power the system up again. The unit should now be in programmode. Next, change your Master Code using the programmingcommand and power down the system and restore the wire harnessto its original configuration and power the system back up.Figure 12. Program Mode Loopback