LTV 1150 - Page 307

p/n 18603-001, Rev. C LTV
®
1200/1150 Ventilator Service Manual Page D-1
Appendix D - E VENT T RACE
The Event Trace is a list of events recorded by the ventilator
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. These events may be normal
conditions, such as turning the ventilator on or off, or alarm conditions such as HW FAULT or
HIGH PRES.
• Initial occurrences of events are recorded the first time they occur after power up, along with
the date, time and associated data, if any.
• A second occurrence of the same type of event (same event code) will be recorded as a
separate line item along with the latest date, time and associated data. The quantity of
occurrences is increased by one (1) (i.e. a quantity of two (2) will be displayed).
NOTE
Event log entries are only one of many diagnostic tools used to troubleshoot the ventilator.
Additional information is often required to accurately identify the root cause of a problem.
See Chapter 7 - Troubleshooting for more information.
NOTE
Additional occurrences (3 or more) of the same type of event will update the secondary
occurrence line items with the latest date, time, and associated data. The quantity of
occurrences will be increased by one (1) for each additional occurrence (e.g. a quantity of 2
will be increased to 3).
To view the events:
1) Enter the Extended Features menu by pushing and holding the Select button for 3
seconds.
2) Turn the Set Value knob until EVENT TRACE is displayed. Press Select.
3)
xx:eventname is displayed.
xx is the chronological number of the event occurrence.
eventname is the name of the event.
4) Highlight an event and press Select.
xx:EyCz is displayed.
xx is the chronological number of the event occurrence.
y is the event code number of the event.
z is the quantity of events: a quantity of 1 is displayed in the initial
occurrence
recording and a quantity of 2 or more in the secondary
occurrence
recordings of the same type of event.
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For downloading the Event Trace to a PC, a Service Cable (P/N 11485), is available. The cable may be
ordered separately or as part of the Maintenance and Calibration Kit, P/N 11566.