Teledyne 9060Z - page 46

Model9060ZManual
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46
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4.‘Probe2HighImpedance’
Oxygenprobeorelectrodefailure.Thesensorhasahighimpedancemeasurement.Replacethe
probe.Thisalarmisinhibitedwhentheprobesarelessthan650°C(1200°F).
5.‘Probe1TCOpenCircuit’
6.‘Probe2TCOpenCircuit’
Probethermocoupleisopencircuit.Theheaterinheatedprobeswillswitchoff.
7.‘AuxTCOpenCircuit’
TheAUXthermocoupleisopencircuit.Ifthethermocoupleisnotneeded,select“Disabled”in
COMMISSIONINGmenufunction#9,“AuxTCType”orplaceashortcircuitbetweenterminals7&8.
8.‘RefAirPumpFail’
Thereferenceairpumpinthetransmitterhasbeeneitherunpluggedorhasgoneopencircuit
(<20mA).Replacethereferenceairpump.
9.‘RefAirPumpOverload
Thereferenceairpumpinthetransmitterhasstalledandisdrawinginexcessof300mA.The
transmitterwillattempttorestartthepumpeveryminutefor1second.Replacethereferenceair
pump.
10.‘ADCCalibrationFail’
Theanaloguetodigitalconverterhasbeenfoundtofalloutsidethenormalcalibrationspecifications.
Inthiscasetheprobeheaterwillautomaticallybeturnedoff.
11.‘AlarmLogFail’
ThealarmhistoryiskeptinanEEROM.Thisalarmwillberaisedifthismemorydevicefails.
12.‘Output1Failure’
13.‘Output2Failure’
Thedigitaltoanalogueandvoltageisolatorcircuithasbeenfoundtofalloutsidethenormal
calibrationspecifications.Thischeckisonlyperformedwhenthe‘AUTOCAL’buttonispressed.See
chapter10.1.2.
14.‘Heater1SSRFailure’
15.‘Heater2SSRFailure’
Oneoftheheaterpowercontroldevices(SSR)hasbeenfoundtohavefailed.Seechapter8.2.8,
HeaterSSRfaultcorrection.
16.‘HeaterSSRLeakage’
Oneoftheheaterpowercontroldevices(SSR)hasbeenfoundtohavefailedbutthetransmitter
cannotdeterminewhichone(s)hasfailed.
17.‘Probe1FilterBlocked’
18.‘Probe2FilterBlocked’
Blockedprobefilter.Thistestisonlyperformedwhenautomaticpurgingoftheprobeisselected.See
chapter11.Thisalarmwillnotresetuntilthenextpurgecycle.Thecyclecanbeinitiatedmanuallyor
automatically.