MSA ULTIMA X5000 - Page 75

Priority
1
Display
Message
StatusLEDs
(G/Y/R)
Latch
Condition
Description Resolution
9 “Sensor
Missing”
ON/ON/OFF Non-Latch Indicatesthe
sensorisnolonger
detected.
Replacethesensor.
28 “SensorRAM
Error”
ON/ON/OFF Latch Indicatesabad
RAMmemory
locationwas
detected.
Replacethesensor.
10 “SensorSupply
VoltageFault”
ON/ON/OFF Non-Latch Indicatesthe
sensorsinput
voltageisoutof
range.
Checktheinputpower
supplyvoltageand
checkthewiringtothe
sensormodulefor
damage.Ifthisdoes
notresolvetheissue,
replacethesensor.
20 “Span
Calibration
Fault”
ON/ON/OFF Latch Indicatesthe
sensordidnotpass
theSpancalibration
operation.
Acknowledgethefault
bypressingandholding
bothEZtouchbuttons
atthesametimeforup
to5seconds.Theunit
willreverttothe
previouscalibrationso
thattheunitcan
continuetodetectgas
whiletroubleshooting
fault.Causesforthis
faultinclude:
1. Spangasisnot
appliedwithinthe
calibrationtime-
outperiod
2. Theincorrect
spangasis
appliedorthe
spanvalueisnot
setcorrectlyin
theSensor
Settings.
3. Thesensorisat
itsendoflife.
Checkthespangas
concentrationandthe
sensorspanvalue
settingtoensurethat
US Ultima X5000 Gas Monitor 75
6 Maintenance