Curtis Instruments 1234 - 8 - DIAGNOSTICS & TROUBLESHOOTING; DIAGNOSTICS

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#URTIS-ANUAL/3 
6#,
53).'4(%&!5,4(!.$,%2).6#,
4HEOPERATINGSYSTEMOFTHECONTROLLERDETECTSVARIOUSFAULTSANDTAKESAPPROPRI
ATEFAULTACTIONS
TOPROTECTTHECONTROLLER4HESEFAULTSHAVEFAULTCODESTHATARE
mASHEDONTHECONTROLLERSTATUS,%$SANDFAULTTEXTISDISPLAYEDINTHE
3YSTEM&AULTSAND&AULT(ISTORYMENUS4HESEOPERATINGSYSTEMFAULTSARECOV
ER
EDIN3ECTION!DDITIONALLYTHEOPERATINGSYSTEMMAKESTHESTATUSOFTHE
OPERATINGSYSTEMFAULTSAVAILABLEFORUSEIN6#,PROGRAMSINTHEFORMOFSEVEN
VARIABLESCALLED3TATUS3TATUS3TATUS3TATUS3TATUS3TATUSAND3TATUS
%ACHOFTHESEBITVARIABLESCONTAINSTHESTATUSOFFAULTSINTHELOWERBYTE
THEUPPERBYTEISALWAYSSETTO4HESE3TATUSnVARIABLESAREREADONLY2/
ANDCANBEUSEDINA6#,PROGRAMTOTRIGGERADDITIONALFAULTACTIONSSUCHAS
SENDINGFAULTTEXTMESSAGESTOADISPLAYORBLINKINGADASHBOARD,%$
(EREARETHEBITLOCATIONSOFEACHOFTHEOPERATINGSYSTEMFAULTSINTHE
3TATUSnVARIABLES
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4UBUVT
 #JU.BJO$POUBDUPS8FMEFE$PEF
 #JU.BJO$POUBDUPS%JE/PU$MPTF$PEF
 #JU1PU-PX0WFSDVSSFOU$PEF
 #JU5ISPUUMF8JQFS-PX$PEF
 #JU5ISPUUMF8JQFS)JHI$PEF
 #JU1PU8JQFS-PX$PEF
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#JU1PU8JQFS)JHI$PEF
 #JU&&130.'BJMVSF$PEF
4UBUVT
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#JU)1%4FRVFODJOH'BVMU$PEF
 #JU4FWFSF6OEFSWPMUBHF$PEF
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#JU4FWFSF0WFSWPMUBHF$PEF
 #JU6OEFSWPMUBHF$VUCBDL$PEF
 #JU0WFSWPMUBHF$VUCBDL$PEF
 #JU/PU6TFE
 #JU$POUSPMMFS0WFSUFNQ$VUCBDL$PEF
 #JU$POUSPMMFS4FWFSF6OEFSUFNQ$PEF
4UBUVT
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#JU$POUSPMMFS4FWFSF0WFSUFNQ$PEF
 #JU$PJMM%SJWFS0QFO4IPSU$PEF
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#JU$PJ%SJWFS0QFO4IPSU$PEF
 #JU$PJM%SJWFS0QFO4IPSU$PEF
 #JU$PJ%SJWFS0QFO4IPSU$PEF
 #JU1%0QFO4IPSU$PEF
 #JU.BJO0QFO4IPSU$PEF
 #JU&.#SBLF0QFO4IPSU$PEF
4UBUVT
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#JU1SFDIBSHF'BJMFE$PEF
 #JU%JHJUBM0VU0WFSDVSSFOU$PEF
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#JU%JHJUBM0VU0WFSDVSSFOU$PEF
 #JU$POUSPMMFS0WFSDVSSFOU$PEF
 #JU$VSSFOU4FOTPS'BVMU$PEF
 #JU.PUPS5FNQ)PU$VUCBDL$PEF
 #JU1BSBNFUFS$IBOHF'BVMU$PEF
 #JU.PUPS0QFO$PEF