User's Manual

Operating & Maintaining the Stratasys P750K 3D Printer
6–70 DOC08010 Rev. A (DRAFT 1)
Test Descriptions
and
Troubleshooting
TheȱfollowingȱtableȱlistsȱtheȱnameȱofȱeachȱtestȱinȱtheȱBuiltȬinȱTestsȱsuite,ȱ
togetherȱwithȱitsȱdescriptionȱandȱaȱpossibleȱreasonȱforȱitsȱfailure.ȱIfȱyouȱ
needȱassistance,ȱcontactȱyourȱStratasysȱserviceȱprovider.
Test Name Description Possible Reason for Failure
SubȬSystemȱ
Communication
TestsȱcommunicationsȱbetweenȱEdenȱ
components.
•Disconnectedȱcommunicationsȱcable.
•Faultyȱcable.
FIFOȱNonȬInterrupt/
FIFOȱInterrupt
•TestsȱtheȱdataȱqueueȱinȱtheȱDATAȱPCIȱ
card.
•TestsȱtheȱWindowsȱinterrupt.
•IfȱbothȱFIFOȱtestsȱfail:ȱ
FaultyȱDATA_PCIȱcard.
•IfȱonlyȱtheȱFIFOȱInterruptȱtestȱfails:
FaultyȱWindowsȱinterrupt.
Encoder Testsȱtheȱencoderȇsȱreliabilityȱbyȱ
comparingȱreadingsȱfromȱmultipleȱrunsȱ
alongȱtheȱXȬaxis.
Faultyȱencoder.
SystemȱInfo Comparesȱtheȱfollowingȱparameterȱ
valuesȱwithȱtheȱminimumȱ
requirements.
•physicalȱmemory
•availableȱmemory
•freeȱspaceȱonȱdisk
•monitorȱresolution
FailureȱofȱRAMȱmemoryȱallocationȱinȱtheȱ
printerȱcomputer.
RFID VerifiesȱtheȱpresenceȱofȱRFIDȱtagsȱonȱallȱ
loadedȱmaterialȱcartridges,ȱandȱtestsȱ
themȱbyȱwritingȱtoȱandȱreadingȱfromȱ
eachȱone.
•FaultyȱRFIDȱreader.
•FaultyȱRFIDȱreaderȱpowerȱsupply.
•FaultyȱorȱmisalignedȱRFIDȱtag.
•Highȱlevelȱofȱelectromagneticȱnoiseȱ
aroundȱtheȱRFIDȱtag.
SystemȱVoltages Checksȱifȱtheȱfollowingȱvoltagesȱareȱ
withinȱ5%ȱofȱtheȱrequiredȱvoltage:
•40VȱtoȱtheȱprintȱheadsȱbyȱtheȱVPPȱ
powerȱsupply
•12Vȱtoȱtheȱheightȱthermistorsȱbyȱtheȱ
VDDȱpowerȱsupply
•VPPȱpowerȱsupply:ȱ
Faultyȱheadȱdrive(s).
•VDDȱpowerȱsupply:ȱ
Faultyȱheightȱthermistor(s).
BlockȱFilling Analyzesȱtheȱthermistorȱreadingsȱwhenȱ
theȱblockȱisȱfullȱandȱwhenȱitȱisȱempty.
Faultyȱthermistor.
Interlock Testsȱtheȱinterlockȱinȱtheȱprinterȱcover.
•Failureȱofȱinterlockȱmechanism.
•Faultyȱlatch.ȱ
•Disconnectedȱcable.
CabinȱTemperature Testsȱtheȱtemperatureȱlevelȱinȱtheȱ
buildȬtrayȱarea.
Faultyȱtemperatureȱsensorȱ(OHDB).
HeadȱEEPROM Testsȱtheȱread/writeȱcapabilitiesȱofȱtheȱ
printȬheadȱdriverȱcards.
FaultyȱprintȬheadȱdriverȱcard(s).
HeadȱVoltage Checksȱtheȱcontrolȱofȱvoltagesȱsuppliedȱ
toȱtheȱprintȱheads.
FaultyȱprintȬheadȱdriverȱcard(s).
Head/BlockȱHeaters Testsȱtheȱheatersȱinȱtheȱ
printȱheadsȱandȱ
inȱtheȱprintȬblockȱbody.
Faultyȱheatersȱorȱthermistors.
UVȱLamps TestsȱeachȱUVȱlampȱatȱtheȱHighȱQualityȱ
powerȱlevel.
FaultyȱUVȱlamp.
FaultyȱUVȱpowerȱsupply.
DisconnectedȱUVȱcable.
AxesȱLimit Testsȱtheȱhardwareȱandȱsoftwareȱlimitsȱ
ofȱallȱaxes.
Faultyȱhardwareȱsensors.ȱ
WrongȱMaxȱPositionȱparameter.
ParameterȱSanityȱCheck Comparesȱtheȱvalues
ȱofȱallȱprinterȱ
parametersȱ(inȱcfgȱfiles)ȱtoȱtheȱrequiredȱ
values.
Oneȱorȱmoreȱofȱtheȱprinterȱparametersȱisȱ
notȱwithinȱtheȱrequiredȱrange.ȱ
DetailsȱappearȱinȱtheȱBITȱreport.
Vacuum Testsȱtheȱvacuumȱlevelȱinȱtheȱprintȱ
block.
•Faultyȱvacuumȱsensor.ȱ
•Vacuumȱleakage.ȱ
•Wrongȱparameters.