Annexe-Ii: Diagnostic Mode Displays; Diagnostic Displays In Credit Mode - Secure Liberty 100 Technical Reference Manual

8 Annexe-II: Diagnostic Mode Displays

Diagnostic information from the meter can be only accessed by an authorised person from its diagnostic display
mode; such information cannot be displayed outside of this mode. This mode is enabled by using a 6-digit
Engineering Code common for all Liberty 100 meters.
Accessing the Diagnostic mode:
followed by <xxxxx-y>
A short press of key 'A' will initiate the code entry process. Once in code entry mode, the function of key 'A'
changes to backspace; each press of key 'A' will delete the digit on the left, deleting all digits the 'Vend Mode'
display will return. At the end of the code entry, either a short press of key 'B' or waiting for 20 seconds will
initiate the code authentication process.
A correct UTRN will display the following which indicates that the meter is now in diagnostic mode:
From this mode, the meter's numeric keys can be used to access the diagnostic information; each numeric key
is configured with a group of diagnostic displays. Except for a few additional displays in Prepayment mode, all
other displays are similar for Credit and Prepayment modes. Each numeric key pressed will show the
associated diagnostic displays in sequence as configured; a short press of key 'A' or no key press for 120
seconds (2 minutes) will end the diagnostic display sequence and resume the Auto Scroll display; key 'B' can be
used to scroll back up the display list of the current key.

8.1 Diagnostic Displays in Credit Mode

In this mode a short press of a numeric key will initiate the associated display sequence. After each set of
information comprising a title followed by its value, either a four (4) seconds wait or short press of the key will
advance the display to the next set of information as described below.
Key 1: Application firmware identification
Title 1: Program name
Followed by
BGX501-767-R02
followed by
(timeout 2 secs)
(timeout 4 secs)
Liberty 100 Smart Electricity Meter Technical Reference Manual
(or wait for the configured timeout period)
st
The 1 set of displays associated with key 1 identifies
the meter application firmware.
The example shows that P4X2G04 is the current
application firmware in which '02' is the version
number.
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