Priority
1
Display
Message
StatusLEDs
(G/Y/R)
Latch
Condition
Description Resolution
supplyisoutof
range.
range,thenreplacethe
sensor.
N/A “OverRange” ON/ON/OFF Non-Latch Anoverscalegas
readingispresent.
Verifytheareaisclear
ofgasfirstthen
recalibratethesensor.
31 “Parameterout
ofrange”
ON/ON/OFF Latch Indicatesthata
settingisimproperly
setintheunit.
SelectControlData
ResetfromInstrument
menu.Verifyany
customersettings.
Thenrecalibratethe
sensor.
2 “RAM
Checksum
Fault”
ON/ON/OFF Latch Indicatesabad
RAMmemory
locationwas
detected.
Replacethemain
PCBA.
34 “Reference
Failure”
ON/ON/OFF Latch Indicatesanoutof
range
measurement.
Replacethesensor.
6 “RelayFault” ON/ON/OFF Latch Indicatesthata
problemwiththe
relayswas
detected.
Replacetherelay
optionsPCBA.
22 “Sensor
Configuration
Reset”
ON/ON/OFF Latch Indicatesthe
sensordatasheet
wasreset.
Calibratethesensor.
12 “Sensor
ElementError”
N/A Latch Indicatesthe
sensorisbroken.
Replacethesensor.
38 “SensorEndof
LifeFault”
ON/ON/OFF Latch Indicatesthe
sensorisattheend
oflife.
Recalibratethe
sensor/replacethe
sensor.
27 “Sensor
FLASHError”
ON/ON/OFF Latch Indicatesthereis
somethingwrong
withthesensors
program.
Replacethesensor.
13 “SensorHeater
Fault”
ON/ON/OFF Latch Indicatesthe
sensorsheateris
notworking
properly.
Replacethesensor.
25-40 “Sensor
InternalFault”
ON/ON/OFF Latch Indicatesthe
detectionofa
hardwareissuein
thesensor.
Replacethesensor.
74 Ultima X5000 Gas Monitor US
6 Maintenance