
Error and System Messages
Appendix B
B-36
Message Description
RECIPAXISINWRONG PLANE The reciprocation axis specifiedin a G81 or a G81.1 programming blockis not in thecurrently
selected plane.
RECIP AXIS NOT PROGRAMMED No reciprocationaxis wasspecified in a G81 oraG81.1programmingblock.
RECIPROCATION NOT STOPPED An attempt was madetodeactivate thecurrentpart programwhile reciprocation isstill active.
You mustdeactivatereciprocationbefore deactivatingthe currentpartprogram.
REMOTE I/O COMMON RAM FAULT ON RESET The RIO moduleteststhe commonRAMafter resetanddetects an error. The Interboard
CommunicationsFault LED isturned ON.
REMOTEI/O CTC CHIPTESTFAULT The RIO moduleteststhe CTC chip afterresetand detects a fault. The ProcessorF ault LED is
turnedON.
REMOTE I/O DENIED COMMON ACCESS ON RESET The RIO module wasdenied accesstoCRAM formore than1 secondafterreset. The
InterboardCommunicationsFault LEDisturned ON.
REMOTE I/O EPROM INTEGRITY FAULT The checksum testover theRIOp rogram area in theEPROM chip found a fault. Th e Processor
FaultLEDis turnedON.
REMOTEI/O INCORRECTUSERBT DATAAMOUNT The RIO moduleattemptedtoread a blockofdata fromone of theuser outputblock transfer
databuffersin commonRAMand found theword count ofthe datatobe outside ofthe range of
1 to64. The InterboardCommunicationsFault LEDisturned ON.
REMOTE I/O INITIALIZATION ERROR RemoteI/O hardwareor networkhas failed toinitialize. Cycle power totrytorestartor check
remote I/O hardware(9/290 only).
REMOTEI/O INTERNALRAM FAULT The RIO module tests itsinternal RAMchip afterresetand during operation. A faulthas been
detected. The ProcessorFault LEDisturned ON.
REMOTEI/O INTERRUPTHARDWAREFAULT The RIO moduledetectsthatits CPUwasnot interrupted by any expectedexternalinterrupts.
This conditionindicatesa problem in recognizinginterrupts. The ProcessorFault LEDisturned
ON.
REMOTE I/O INVALIDRACK ADDRESS SET UP The RIO module’srackaddressis illegal. This faultis the resultoftheusersettingthe rack
address,viathedip switches,toaninvalidrack sizeand/or startingmodule group number.
REMOTEI/O INVALID USERBT DATACHECKSUM The 16-bit 2’scomplement checksumcalculatedbytheRIO module using data fromauser
outputblock transferdata bufferdoes notmatchthechecksum placed in thebufferbythe user
device. The Interboard CommunicationsFault LEDisturned O N.
REMOTEI/O INVALID USERDATACHECKSUM The 16-bit 2’scomplement checksumcalculatedbythe RIO module using data fromthe user
outputdata tablei n commonRAMdoes notmatchthechecksum placed bytheuser i n theuser
outputdatatablein commonRAM. T he InterboardCommunicationsFaultLEDis turnedON.
REMOTE I/O MISSING USER OPERATIONAL CODE The RIO moduledid not detectthe useroperational codeafter reset. This faultis displayed
when theRIO module does notdetectthe useroperationalcode in theuserstatusregisterin
common RAMwithin 100msafterthe RIO modulehasset itsoperational codeand released
control ofcommonRAMback tothe userdevice. The Interboard CommunicationsFault LEDis
turnedON.
REMOTE I/O RIO DENIED COMMON RAM ACCESS The RIO module wasdeniedaccesstoCRAMforlonger thanthespecifiedinterval. The RIO
modulefailedto gain accesstocommonRAMafterattempting fortheAccessing Time-out time
period. The time-outis due toeithertheuser devicemaintainingaccessformorethanthe
Accessing Time-outinterval.or toa hardware failure. The Interboard Communications Fault
LEDisturned ON.
REMOTEI/O SERIAL COMMUNICATIONSFAULT The RIO module cannotcommunicate with thePLCprocessor. Eitherthe PLC processor’s
powerisOFF,the blue hose isnotconnected,or thePLCprocessoris in Edit mode.
REMOTEI/O SIO CHIPTESTFAULT The RIO module tests the SIOchip afterresetand detectsa fault. The processorfaultLED is
turnedON.
REMOTE I/O UNABLE TO FIND BT DATABUFFER The RIO module wasunabletodetectthe userblocktransferdatabuffer. The interboard
communicationsfaultLEDisturned ON.
REMOTEI/O UNRECOVERABLE ERROR RemoteI/O hardwareornetworkhascatastrophicfailure. Cyclepowerto tryto restartor check
remote I/O hardware(9/920 only).
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