i-on Range
Basic Programming Procedures
Page 13
Missing or Extra Bus Devices
If the control unit finds a device missing, or one
with an address that has not been added using
the Installer Menu then the display shows, for
example:
The top line of the display shows the number of
new devices found, and the number of existing
devices missing (lost). The bottom line of the
display shows the first in the list of found and
lost devices.
Either:
press
to put the control unit back into
Installer Menu (so that you can go and check
that all the bus devices you have installed are
connected, powered up and addressed
correctly).
Note: To check an expander address remove the lid
and briefly press the addressing button. The
two digit display will show the bus address for a
few seconds. For example “b1” followed by “08”
is “bus 1 device 08”.
OR:
Press
to make the control unit update its
internal record of devices attached to the bus.
The display shows:
Press
to accept the change to the bus. (You
can still press
to return to the installer menu
if you do not want to change the number of
devices on the bus.)
Note: If you attempt to leave the Installer Menu when there is a fault (for
example a detector, control unit lid, siren or keypad tamper is active, or
the battery is missing) then the keypad displays a fault message telling
you which device is causing the problem. Press
to return to the Installer
Menu. You must rectify the fault (or delete the device from the system)
before you can leave the Installer Menu.
Important! Saving Changes
When you make changes to the Installer Menu the control unit holds those
changes in temporary memory until you leave the Installer Menu. As you leave
the Installer Menu the control unit writes those changes into a permanent
store. If you remove all power BEFORE you leave the Installer Menu then the
control unit will lose your changes. Note that this does not apply if you restore
Factory Defaults; that change takes place immediately.
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