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0024-9551
Revision 1
62
PCA
®
400 User Manual
Symbol
Description
- - -
Three hyphens or dashes indicates that the calculated data cannot be displayed
because the measured data necessary to make the calculation is out of range. For
calculations to occur, the oxygen level must be below 16% and the stack temperature
must be below 2,000 °F
(1,093 °C)
.
***
Three stars appear in the data field of sensors that are not installed, defective, or
found to be in error during warm-up, and also in the data fields of that sensor’s
related calculated values. For example, if the data field of either the NO or NO
2
sensor contains three stars, then the NO
x
data field will also contain three stars.
X X X
Indicates sensor over range.
5.7.3 Diagnostics & Status Screens
Device Status
Displays the analyzer’s status and any errors which should be addressed
(Section 5.7.1)
.
f
To display Device Status:
Main Menu
Status
( )
Device Status
Device Info
Displays the analyzer’s software version, boot version and serial number.
f
To display Device Info:
Main Menu
Status
( )
Device Info
Main Diagnostics
Displays the analyzer’s current sensor status.
f
To display Main Diagnostics:
Main Menu
Status
( )
Main Diagnostics
Instrument Hours
Displays total run time of the analyzer in hours of operation.
f
To display Instrument Hours:
Main Menu
Status
( )
Instrument Hours
Pump Hours
Displays the total run time of the sample and purge pumps in hours of operation.
f
To display Pump Hours:
Main Menu
Status
( )
Pump Hours
Memory Allocation
Displays the number of available records out of the analyzer’s limit of 500.
f
To display Memory Allocation:
Main Menu
Status
( )
Memory Allocation
5.7.2 Error Symbols