Manual

Error and System Messages
Appendix B
B-42
Message Description
SYSTEM MODULE GROUNDFAULT The1394 system module hasdetected aground fault. The system generatesa groundfault
when there is animbalance inthe DC bus of greater than5A. This drive errorcan becaused by
incorrect wiring (verify motor and ground wiring), motor malfunction, or anaxis moduleIGBT
malfunction.
SYSTEM MODULE OVERTEMP The1394 containsa thermalsensor which sensesthe internalambient temperature. Causes
could be: that the cabinet ambient temperature is above rating. The machine duty cycle
requires anRMS current exceedingthe continuousrating of thecontroller. The airflowaccess to
the 1394 is limitedor blocked. This does not necessarilyindicate a motor over temperature.
Motor over temperturesensors shouldbe wireddirectly intothe E-Stopstring.
SYSTEM MODULE OVERVOLTAGE The 1394 system modulebuss voltageexceeds the maximum operating voltage. The dcpower
bus iscontinuously monitored. If it exceeds apreset level (810V dc), afault is sensedand the
power supplyis disabled. There areseveral possible causes for this error.
·an undersizedshunt requirement
·a blown shunt regulator fuse
·a malfunctioning shunt regulator transistor
·the power driver board is malfunctioning and incorrectly sensing the bus voltage
·an incorrectly set CNC acc/dec rate
·an excessive input line voltage
·the system inertia is too high causing excessive energy to be returned to the power supply bus
·a vertical axis with insufficient counterbalancing is overdriving the servomotor and causing excessive
energy to be returned to the power supply bus
·an incorrect power supply is installed in your system. Make sure you are using a CNC power supply
SYSTEM MODULE PHASELOSS The 1394 system modulehas detecteda lossof one of theinput power phases. The
three--phase input lineis monitoredand afault will beissued whena phaseloss isdetected.
Typical causes include, oneor more input linefuses haveopened, contactor malfunction, or
incorrect wiring.
SYSTEM MODULE UNDERVOLTAGE The 1394 system modulevoltage doesnot meet the minimum operatingvoltage. The DC power
buss shallactivate theunder voltagelimit when thebus drops to275 VDC or less. It will clear at
300 Vdc. Typical causes includelow voltageon thethree phaseinput.
T
(T) WORDIN CIRCULAR MODE Anattempt was madeto activatea toollength offset in a block that generatesa circularmove.
Tool lengthoffsetscan beactivated onlyin linear blocks (or innon-motion blocksif AMP is so
configured).
T--WORD NOTALLOWED WITH M06 NEXT TOOL INT WORDwas selectedas thetool--change type in AMP whilea T--word is
programmed in an M06 block.
TAN CIRCLE NOTIN 1STBLOCK When editinga program, anattempt was madeto digitizean arcusing {CIRCLETANGNT} as
the first block in theprogram. To use this digitizing format, the control must first havea toolpath
programmed to make the arc tangent.
TEMPLATE PROGRAM NOT FOUND A transfer line quickview itemwas selectedwithout the correct part program templatepresent in
the protected directory. There are19 transfer linecycles andthere must bepart program
templates QV01thru QV19present in theprotected directory. Refer to your T-LINE-9 Quick
Start guide for details on replacing/restoring thesepart program templates.
THIRD SPINDLENOT AVAILABLE AMP configurationerror; spindle 3can beconfigured onlyon a9/290.
THIRD SPINDLENOT CONFIGURED For spindle 3 to be programmable, it must beconfigured inAMP; a decodeerror.
THRDS/IN WORDFORMAT FINERTHAN Theword format programmedis requestinga finerresolution thanthe axis word format forthe
corresponding axis allows. These word formats areset in AMP.
THREAD FEEDRATE TOO LARGE Thelead istoo largein threadingmode. Program slower spindlespeed.
THREAD LEADERROR Thethread leadwas toolarge ortoo small. This commonlyoccurs whencutting avariable
thread lead and before theend of thethreading passis reached. Either the leadgoes tozero
for adecreasing leadthread, or an axisspeed wouldexceed itsmaximum allowable cutting
feedrate when cutting an increasinglead thread.