MGS-250 Manual
6490-9000 Revision 4
41
Parameter
Description
Diagnostics Menu
Parameter 18 provides access to the self diagnostic
information. The LED display shows “DIAG” until
the Enter button is pressed. Use the UP and
DOWN buttons to scroll through the list of diagnostic
attributes.
A.-01
Current fault condition
A.-02
Last
fault
A.-03
Days
in
service
A.-04
Days since last adjust/test
A.-05-A.-07
Factory Use Only
A.-08
Detector temperature in
q
C
A.-09
Temperature rate of change
A.-10-A.-17
Factory Use Only
To aid in troubleshooting, the operator may choose
to reset the gas detector to its default state by
holding both the UP and DOWN buttons for 5
seconds while in the Diagnostics Menu. All settings,
including the alarm setpoint, gas adjustments, the
selected gas curve, calibration data, the Modbus
address, etc. revert to specific default values after a
reset.
IMPORTANT:
Calibrations on either gas-specific or
broadband models are lost after a reset. This
returns the gas detector to an uncalibrated
condition. See parameter P.-17 for information on
how to recalibrate the gas detector.
See Section 8 for a complete list of codes and
details on the reset option.
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