capableofdetectinggas.TopreventtheDiffusionSupervisionFaultfromreoccurring,ausercaneitherdisableDiffusion
SupervisionintheSensorSettings(see4.2.2SensorSettings)orreplacethesensor.
6.4 Troubleshooting
Thefollowingtablelistsallfaultmessages,theirprioritylevels,andcorrectiveactionsrequiredtoresolvethem.Thefaults
arelistedinalphabeticalorder.Lowerprioritymessagesareoutputonlyafterthehighestprioritymessageiscleared.
Table 17 Troubleshooting
Priority
1
Display
Message
StatusLEDs
(G/Y/R)
Latch
Condition
Description Resolution
35 “ACTFault” ON/ON/OFF Latch Indicatesanoutof
range
measurement
Replacethesensor.
24 “BeadsOff
Fault”
ON/ON/OFF Latch Indicatesthatthe
combustible
sensorsbeadsare
OFF.
Acknowledgeorcycle
powertothesensor.
Letthesensorwarmup,
thenrecalibratethe
sensor.Ifthisdoesnot
resolvetheissue,
replacethesensor.
23 “Calibration
Required”
ON/ON/OFF Latch Indicatesthe
sensorrequires
calibration.
Calibratethesensor(s)
attachedtothe
instrument.
25 “ChannelError” ON/ON/OFF Latch Indicatesthatthere
isanerrorinthemA
outputsystem.
Resetthesensor.
Verifysensor
configurations(if
differentfromdefault
values).Then
recalibratethesensor.
IFthisdoesnotresolve
theissue,replacethe
sensor.
7 “Configuration
Fault”
ON/ON/OFF Latch Indicatesthatan
incorrect
configurationwas
detected.
Typicallythisisaunit
withbothsensors
disabledandnosensor
attached.Attachone
sensortotheunit.
16 "Diffusion
Supervision
Fault"
ON/ON/OFF Non-Latch Indicatesthe
sensorhas
detecteda
blockageinthegas
path.
Refertosection6.3.
4 “EEPROM
Fault”
ON/ON/OFF Latch Indicatesthereisan
errorwiththe
EEPROM.
SelectControllerData
ResettfromInstrument
menu.Verifythe
customersettings.
72 Ultima X5000 Gas Monitor US
6 Maintenance