GE DewPro MMY30 User Manual page 32

Mode of Operation (cont.)
The Optional Display/User Interface (Option G)
11. Displaying the Present Error Code
Location
in Matrix
VH In the event of a system fault, this field displays the diag-
nostic error code for the fault encountered.
90
Error
Code
0
1
2
3
4
5
6
12. Displaying the Previous Error Code
Location
in Matrix
VH When a system fault condition is cleared, the value of
the error code is stored in this location. That is, during
91
normal operation, the most recent error code is dis-
played for reference.
13. Instrumentation Identification Number
Location
in Matrix
VH The instrumentation identification number should
always read "100."
92
Description of Function
Description
No error.
Dewpoint underrange. The current output has
fallen below the 4.00 mA point.
Dewpoint overrange. The current output has
exceeded the 21.92 mA level.
The instrument is no longer reading between
-90 and -20°C dewpoint while in ppm
and has fallen off of the internal vapor pres-
sure table.
ppm overrange. The current output has
v
exceeded the 20 mA level. Re-range the
ppm upper scaling limit in V1H2 to keep
v
this error from occurring.
Sensor is shorted.
Sensor is open.
Description of Function
Description of Function
November 2005
mode
v
4-7