Replacing A Bus Device; Using Leds For Bus Diagnostics - Eaton i-on Series Engineering Manual

System Maintenance

Replacing a bus device

Before physically disconnecting the device, enter the Installer menu, and use the
appropriate Replace option. For example, to replace a keypad, use Devices/Detectors –
Wired Keypads – Replace Keypad. The control unit disables the selected device, but
retains the configuration of the old device (such as the zone configuration). You can then
power down the system, disconnect the device from the bus, and reconnect a new device
(of the same type) to the bus.
When you power up the control unit again, the keypads will show an alert that a device has
been disabled. Select the appropriate Replace option again, select the Add option and
then hold down the address request button on the new expander (with the tamper switch
activated). The control unit will assign the bus device address of the expander you
removed to the new expander, along with all the zones and other settings from the old
expander. The new expander will not need any further configuration.
Note: If you replace a radio expander, you must teach the identity of the new radio
expander to any receivers (such as 762s, 768s or WAMs) that had previously learned the
old expander's identity.
Note: If you are replacing a keypad on a single-keypad system, you will have to re-
program the new keypad with all the functions of the old keypad, including any non-default
ABCD key functions.

Using LEDs for Bus Diagnostics

You may notice an LED on the PCB of a device flashing unusually. Please refer to the
device's installation instructions for the meaning of each LED.
Page 137