Diagnostics Menu
Information Manual 63
If the <Enter> key is pressed, the following message
is displayed for 2 seconds:
The display will be reset to the operating mode
screen of the chiller report after this message clears.
If any historic diagnostics are present, the following
screen will be displayed:
If the <Enter> key is pressed, the following message
is displayed for 4 seconds:
The display will be reset to the top of the Diagnostic
Menu after this message clears.
If any purge diagnostics are present, the following
screen will be displayed:
If the <Enter> key is pressed, the following message
is displayed for 4 seconds:
The display will be reset to the top of the Diagnostic
Menu after this message clears.
If any IPC refrigerant monitor diagnostics are
present, the following screen will be displayed:
Note: Pressing <+> will silence the audible alarm.
The IPC refrigerant monitor will cause all the
refrigerant monitor alarms (diagnostics) to become
non-latching for approximately 7.5 seconds. This
allows any latching alarms to clear if the trip condition
has been removed. This clearing function differs from
the balance of UCP2 in that the balance of UCP2
diagnostics are cleared on reset and reestablished if
the trip condition is still present.
If the <+> key is pressed, the following message is
displayed for 4 seconds:
New Diagnostic Display
When a new diagnostic is sensed by the system, the
display will reset to the diagnostic menu. A “one-
time” screen will be displayed to inform the user that
a new diagnostic has been detected. This screen will
vary depending on the type of diagnostic detected.
The two major categories of diagnostics are those
which are informational only, and those which have
resulted in machine shutdown.
If the diagnostic is an MMR/MAR, the screen will be:
Otherwise, the screen will be:
This screen will be inserted into the diagnostic menu
directly after the “Diagnostic Report Follows” screen.
Pressing <Next> will therefore take the user to the
“Press (Next) to display operating mode at time of
last diagnostic” screen. If <Next>or <Previous> is
pressed, this screen will no longer be in the display
sequence.
Active Diagnostics Have Been Cleared
System Is Resetting
Press (Enter) To
Clear Historic Diagnostics
Historic Diagnostics Have Been Cleared
Diagnostic Report Is Being Reset
Press (Enter) To
Clear Purge Diagnostics
Purge Diagnostics Have Been Cleared
Diagnostic Report Is Being Reset
Press (+) To
Silence Rfgt Mon Audible Alarm
Silencing Rfgt Mon Audible Alarm
Clearing Nonactive Rfgt Alarms
*** A MACHINE SHUTDOWN HAS OCCURRED ***
Press (Next) For More
A New Warning Has Been Detected
Press (Next) For More
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