Johnson Controls FRICK QUANTUM LX Operation page 20

090.022-O (MAY 12)
Page 20
ACCESSING:
Safeties...
DESCRIPTION: The Safety History screen shows the warnings and shutdowns that have recently occurred (up to 50
maximum). When a warning or shutdown is triggered, a blue descriptive message shows on this screen. The date and
time of the warning or shutdown occurrence is shown to the right of its description, followed by the date and time
that the safety was cleared (if applicable, from the Current Safeties screen). The most recent message will appear on
the top line of the screen with the oldest appearing at the bottom.
It is possible to view the conditions that existed on the
Operating Status screen at the exact moment that a con-
dition occurred. Use the arrow keys of the keypad to se-
lect (highlight) a warning or shutdown and then press the
[Enter] key to view its associated Freeze (Operating Sta-
tus) screen.
Freeze Screen Description
This Freeze screen provides a snapshot of the values
that were current at the time of the latest shutdown.
The information on the Freeze screen can help the
user to identify the cause of a fault, which occurred
when no one was present. The Freeze screen freezes
the information of the Operating Status screen AT
QUANTUM™ LX COMPRESSOR CONTROL PANEL
OPERATION
SAFETIES - Safety History
History
THE MOMENT OF A COMPRESSOR WARNING OR
SHUTDOWN. The Freeze screen has the same ap-
pearance and contains the same information as the
Operating Status screen. (For a description of the
information presented by the Freeze screen, refer
to the Operating Status screen). The Freeze screen
will retain the information generated by a warning or
shutdown. The last fi fty warnings/shutdowns Freeze
screens are saved. This data is saved during a power
outage.