ISD Reports Viewing ISD Reports via RS-232 Connection
41
ASSIST DAILY DETAIL STATUS CODES
Question
When and why do the status codes appear? (see example below.)
Explanation
Assist Systems - Hose W,F,G,D,N Results
Next to each hose collection daily average A/L result there is an assessment. The absence of any of the results
listed above indicates a pass. If any of the listed conditions W,F,G,D or N exist, they will post before a pass. The
assessment can indicate the result for one (or combination) of three tests called Statistical Test, Gross Test and
Degradation Test.
• W - Warning for Statistical (BLKD), Gross (A/L) and/or Degradation (A/L).
- Indicates a statistical warning if BLKD appears instead of the A/L value.
- Indicates either a Gross or Degradation warning if the A/L value appears next to it. You can distinguish which
of the two warning conditions it is by comparing the A/L value with the gross and degradation ranges defined
in the IV00 or IV02 reports. It is important to make this distinction as a gross test will convert to a failure and
shut down on the 2nd day and the degradation test will convert to a failure and shut down on the 8th day.
• F - Statistical Failure - A BLKD is posted instead of an A/L value.
- Automobiles equipped with ORVR equipment appear as a blocked dispensing event (A/L very low). ISD
separates out this type of activity from blockages that are caused by something other than ORVR vehicles. It
does this statistically using multiple dispensing events. When there are more blockages than would be
expected from normal ORVR traffic, a BLKD warning is issued.
• G - Failure for Gross Test and will appear with A/L value.
• D - Failure for Degradation Test and will appear with A/L value.
• N - No Test.
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