4-2
Table 4-2. Configuration Display Messages
MESSAGE INDICATES
CAL SIG ON Instrument will output the calibration signal during calibration
CAL SIG OFF Instrument will output gas value during calibration
LTCH/ Latching relay operations
UNLTCH/ Non-latching relay operations
INCR/ Increasing Alarm relay operations
DECR/ Decreasing Alarm relay operations
ENER Energized relay operations
DENER De-energized relay operations
CAL Normal calibration or 4-20 calibration cycle
iCAL Initial calibration cycle
OFF Alarm is OFF
ON Alarm is ON
RNGE Instrument's operational full-scale will display next
PCAL Instrument's previous calibration date will display next
TBLE Instrument gas table selection (if applicable)
ALERT OP ON Instrument output will follow ALERT mode
ALERT OP OFF Instrument output 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
Table 4-3. Troubleshooting Guidelines (In priority order)
MESSAGE INDICATES ACTION
MN FLASH Program memory on the Replace main pc board
FAULT main PCBA is invalid
MN RAM Defective RAM memory location Replace main pc board
FAULT was found on the main PCBA
MN EEPROM EEPROM on the main PCBA Replace main pc board
FAULT is invalid
SENSOR Instrument has lost communica- Connect or replace sensor
MISSING tion with the sensor module
SNSR FLASH Sensor module program memory Replace sensor module
FAULT is invalid
SNSR RAM Sensor module has a defective Replace sensor module
FAULT RAM location
SNSR DATA Sensor module datasheet is Send reset data sheet command
FAULT invalid from the controller; if error persists,
replace sensor
INVALID Attached sensor module is not Replace with correct sensor type
SENSOR compatible with main instrument
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