History screen
Figure 73: History screen
This screen allows the user to browse through the faults. In order to get a more thorough reporting
of the system conditions at the time of the recorded shutdown, move to the subscreen History
Details.
The user may use the Select Fault button to select the history to view. At this point the View Details
button is used to jump to a subscreen containing stored chiller parameters values at the time of the
shutdown. Additionally, the Print History button can be used to generate a hard-copy report of the
parameter values at the time of the shutdown.
Table 146: Display only fields
Field/LED name
Description
Last Normal Shutdown
This window displays the date and time and the description of the last normal
shutdown. A normal shutdown is defined as follows:
•
Local (Soft Stop Button)
•
Remote (Digital, Analog or ISN)
Last Fault While Running
This window displays the date and time and the description of the last safety or cycling
shutdown while the system was running.
Last Fifty Faults
This window displays a chronological listing (most recent first) of the date and time
and the description of the last ten safety or cycling shutdowns that occur while the
system is running or stopped.
Note:
For fields requiring access level of SERVICE. Service Technicians refer to the
OptiView
Control Center - Service Instructions (Form 160.76-M1)
for operation instructions and explanation
of all programmable setpoints and displayed values.
143
Model YK Style H Centrifugal Liquid Chillers with OptiView Control Center
