3
4.1.5.1.1 Checking battery voltage .............................................................................................................. 28
4.1.5.1.2 Verifying power cables ................................................................................................................. 29
4.1.5.1.3 Verifying R-Net bus cables, actuator cables and intermittent problems ..................................... 33
5 Replacing pushbuttons in keypad (SWKEYPAD): .................................................................................................... 35
5.1 Pushbutton replacement ................................................................................................................................ 35