MSA Ultima X Series User Manual

Appendix: Instrument MessagesMSA
ULTIMA X
®
Series
GB
89
11.3 Instructions for Troubleshooting
TBLE Instrument gas table selection [if applicable]
ALERT OP ON Instrument output will follow ALERT mode
ALERT OP OFF Instrument will not follow ALERT mode
SWAP DELAY ON 60 second delay after sensor missing before fault
SWAP DELAY OFF Fault occurs at sensor missing condition
Messages Meaning
Message Meaning Remedy
MN FLASH FAULT Main printed circuit board
program memory is invalid
- Replace main printed cir-
cuit board.
MN RAM FAULT Main printer circuit board
shows defective RAM memo-
ry segment
- Replace main printed cir-
cuit board.
MN EEPROM
FAULT
Main printed circuit board
EEPROM is invalid
- Replace main printed cir-
cuit board.
SENSOR MISSING Instrument has lost data
communication with the sen-
sor module
- Connect sensor or re-
place sensor.
SNSR FLASH
FAULT
Sensor module program
memory is invalid
- Replace sensor module.
SNSR RAM FAULT There is a RAM-memory seg-
ment defect in the sensor
module
- Replace sensor module.
SNSR DATA FAULT Sensor module data sheet is
invalid
- Send the reset data sheet
command from the con-
troller
or
- if error persists replace
sensor.
INVALID SENSOR The connected sensor mod-
ule is not compatible with the
instrument
- Replace it with the correct
sensor type.
+SUPPLY FAULT Power supply of main printed
circuit board is outside per-
missible range
- Check sensor wiring or
replace main printed cir-
cuit board.

MSA Ultima X Series Specifications

General

Brand	MSA
Model	Ultima X Series
Category	Measuring Instruments
Language	English