TRAK 3ntr A2 Maintenance & Troubleshooting Manual Download Page 113

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108

TRAK Machine Tools

Southwestern Industries, Inc.

TRAK 3ntr 3D Printers

–

Maintenance & Troubleshooting Manual

Figure 6.35.1

Files after “sudo mc”

You will be shown the printer names of active/defined models on your print server

Choose the directory of disappearing files

Get into “jobs” directory

Delete the *.linfo le (the file ending with linfo) : move cursor over selected file then press F8
delete all fi

les into “models” and “

timelapse

” directories

Press F10

“sudo reboot” to restart.

System will rebuild itself and files will reappear.

Figure 6.35.2 Files after System Rebuild

Summary of Contents for 3ntr A2

Page 1: ...al Covers Current Models 3ntr A2 3ntr A4 2615 Homestead Place Rancho Dominguez CA 90220 5610 USA T 310 608 4422 F 310 764 2668 Service Department 800 367 3165 e mail sales trakmt com service trakmt co...

Page 2: ...n made to include all the information required for the purposes of this guide Southwestern Industries Inc assumes no responsibility for inaccuracies or omission and accepts no liability for damages re...

Page 3: ...r Nozzle and Heat Bridge Service 8 3 2 8 Nozzle and Ceramic Heater Assembly Disassembly 9 3 2 9 Other Extruder Handling Considerations 10 3 3 Extruder Disassembly 11 3 4 Filament Feeder Installation 1...

Page 4: ...Power Supply Test 76 6 20 Stepper Current Setting OLD Stepper Drivers 78 6 21 Stepper Current Settings Silent Drivers 79 6 22 Stepper Driver Replacement 80 6 23 Feed Pressure Check Restore to Factory...

Page 5: ...oling Circuit jammed 110 6 39 Print Looks Bad Stripes 113 6 40 X Y Z Axis Won t Move 114 6 41 Z Safety Switch Installation Calibration 115 6 42 Z Safety Switch is triggered machine is locked 116 6 43...

Page 6: ...4 3D Printers Scope of the Maintenance Manual Diagnostic Checklists Flowcharts Repair Procedures Maintenance Procedures Upgrade Procedures Although there is a Main Diagnostic Checklist available as a...

Page 7: ...perate this machine before reading and understanding all the available manuals 2 Do not run this machine without knowing the function of every control key button knob or handle Ask your supervisor or...

Page 8: ...r clean the machine 13 Stop and disconnect the machine before you perform maintenance and repair operations 14 Keep work area well lighted Ask for additional light if needed 15 Do not lean on the mach...

Page 9: ...with insufficient coolant will result in bad prints and in some cases may result in nozzle and or extruder damage Check and replace coolant on a weekly basis 1 Locate the coolant filler cap on the top...

Page 10: ...extruder Pushing on collar 1 you can detach the PTFE piping Set Screw 3 is used to secure the tube adapter on extruder slightly tighten it 0 5Nm maximum Heat bridge 4 it s a carefully machined stainle...

Page 11: ...ists of 1 Print Head Connector 2 Thermocouple 3 Heater Wires 4 Bowden Tube Adapter 5 Heat Bridge 6 Ceramic Heater Assembly 7 Nozzle Figure 3 2 2 Extruder Component Identification Guide 3 2 3 Extruder...

Page 12: ...for Extruder Service Recommended tools 2 5mm hex driver Set included with printer Stainless Steel wrench Supplied with printer 7 mm deep Socket optional in Spares and Special Tools Kit 0 5 mm feeler g...

Page 13: ...rce that happens as the heat bridge is screwed into the nozzle both into the ceramic heater assembly using the torque screwdriver 3 2 7 Tool for Nozzle and Heat Bridge Service Your printer comes suppl...

Page 14: ...1 Make sure assembly is cooled to room temperature to insure easy handling and disassembly 2 For disassembly use wrench on square surface of ceramic heater assembly and use socket on nozzle Apply opp...

Page 15: ...wiring and end connector When assembling avoid excessive forces on all wires and thermocouple This is also true when mounting an extruder back into the printer head for printing One way to avoid exces...

Page 16: ...o replace a heater or for nozzle service off machine Before undertaking an Extruder Disassembly be sure to review all the instruction regarding handling extruders See Section Extruder Overview Handlin...

Page 17: ...hooting Manual Figure 3 3 1 PTFE Tubing Removal 4 Remove tube adapter release the screw using a 2mm hex key Figure 3 3 2 Release Tube Adapter Set Screw 5 Hold the heater with the specific tool Figure...

Page 18: ...d on heater a run a filament change to heat up the extruder b wear protective gloves c remove nozzle d press emergency button to stop heating e Turn ON printer and WAIT for extruder to cool down befor...

Page 19: ...r 3D Printers Maintenance Troubleshooting Manual Figure 3 3 6 Release Extruder Set Screw 10 Remove steel pipe heat bridge Figure 3 3 7 Heat Bridge Removed 11 Mount the nozzle leaving about one mm clea...

Page 20: ...Lock the extruder with the setting screw using the dynamometric screwdriver 1 3 Nm Figure 3 3 10 Lock the Extruder Set Screw 14 Mount the tube adapter Holding the heater with specific tool lock the no...

Page 21: ...ocess to install the filament feeders to the printer Each feeder has a specific position refer to the illustrations applicable to your printer below If machine has three extruders the longest pipe mus...

Page 22: ...a turn to avoid excessive pressure on threads Figure 3 4 5 Fitting PTFE Pipe on Feeder 2 After fitting the PTFE pipe on each feeder you can proceed to mount feeder on the machine routing the piping t...

Page 23: ...ilament sensors Figure 3 4 10 Stepper Motor Connector Figure 3 4 11 End of Spool Sensor Connector 6 Plug all extruder pipes taking care not to tangle them When looking at machine LCD panel forefront e...

Page 24: ...blowing compressed air on the roller use a compressed air can you can find them at any general store on office supplies shelves 1 Remove filament from selected extruder using the Unload Filament Proce...

Page 25: ...Print a test part to verify 3 6 Printer Firmware Update This section details the process to update firmware for your printer New firmware updates for your machine may improve performance or even add n...

Page 26: ...way too old Get in touch with your TRAK 3ntr partner or directly with TRAK customer service to learn about your machine upgrade policy 3 6 2 Firmware Upgrade Process Whatever is your preferred connec...

Page 27: ...cleaning program Before starting the upgrade procedure be sure to write down the output of the following commands M218 extruder offsets to keep trace of nozzle displacements M518 thermal gains to get...

Page 28: ...6 5 Firmware Upgrade Command Figure 3 6 6 Flashing Firmware 3 7 MMS Firmware Update The MMS unit may require a firmware update If needed follow these instructions 1 Download the Propeller tool here h...

Page 29: ...he binary firmware image you may need to set file selection filter to all then click the Load EEPROM button on the object info window that appears middle button Figure 3 7 1 Updating MMS Firmware 5 Lo...

Page 30: ...ith minimal cabinet openings the RH can be kept below 10 for one or more weeks at a time You can choose how dry you want to keep the cabinet by determining when you exchange and dry the desiccant cyli...

Page 31: ...ccant cannisters are renewable Put a wet cannister in a conventional oven at 425 for 2 5 hours to renew it A completely dried cylinder holds about 1 pound of water We dry ours in a home oven on layers...

Page 32: ...s correctly wound on spool Nozzle partially jammed Clean nozzle with LCD function Replace Nozzle if cleaning unsuccessful Dusty Contamination Check that printer is not working into an excessively dust...

Page 33: ...Problem Symptom Part Contamination Lacks Color Separation Potential Cause Diagnostic Remedy Actions Plate is dirty Clean the plate using Acetone when printing ABS or alcohol based cleaners PLA or jus...

Page 34: ...y Actions Problem with homing sensor end stop cabling Be sure that end stops are not engaged Send the M119 command printer will answer with end stop status Now push on each sensor while sending the M1...

Page 35: ...Actions Motherboard cooling fan is dead Replace fan Connector of one of z stepper is faulty or unplugged Restore connection or change cable Stepper Gearbox moving z axis is faulty Replace it Problem...

Page 36: ...n Set current extruder temperature wait until you reach it S works while heating R works for heating AND cooling M112 Emergency stop M115 main parameters list via USB M117 MESSAGE xxxxx Display xxxxxx...

Page 37: ...rinters Maintenance Troubleshooting Manual M518 T0 G0 95 Set extruder T0 gain M600 Start filament change M601 Save current position and park extruders M602 Move extruders back to saved position T0 T1...

Page 38: ...33 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual 5 Main Diagnostic Checklist Figure 4 2 1 Main Diagnostic Flowchart Page 1...

Page 39: ...34 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 4 2 2 Main Diagnostic Flowchart Page 2...

Page 40: ...ION Always remove AC power cord before attempting any maintenance on heated chamber plate or left part AC power area of the machine CAUTION The procedures are to be performed by trained personnel If y...

Page 41: ...task Figure 6 2 1 Multimeter Figure 6 2 2 Phillips Screwdriver Figure 6 2 3 Hex Keys 1 Detach AC power cord Figure 6 2 4 Detach Power Cord 2 Check fuse on main switch USE MULTIMETER TOCHECK A good loo...

Page 42: ...Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 2 6 Screw Terminals for Testing 5 A2 Remove HC fan cover Figure 6 2 7 HC Fan Cover Removed 6 A2 Check HC FAN connection...

Page 43: ...hat current is passing thru safety thermostat Figure 6 2 9 Checking Safety Thermostat Current 9 Plug in AC power cord WARNINGmachine ispowered onnow CAUTION KEEP EVERYONE AWAY Only trained maintenance...

Page 44: ...PSU AC screw terminals 13 Check that AC tension is present on A1 A2 contactor terminals If yes contactor may be defective replace it If not emergency button and or its cabling could be damaged Figure...

Page 45: ...Printers Maintenance Troubleshooting Manual Figure 6 2 13 Check Output Voltage on PSU 15 Check that there is 12Vdc output on 12v PSU If not turn power off Detach all 12V PSU outputs Power on again If...

Page 46: ...s Blown Repeatedly 1 Check fuse rating on A4 must be 5A on A2 must be 15A 2 Unplug machine then check all screw terminals for AC voltage SSR PSUs contactor 3 Check that fuse holder is not ruined repla...

Page 47: ...Drivers Drivers are the interface between the motherboard and the stepper motors that move XYZ and E axes Care must be taken to seat them without bending pins and with the correct orientation trimmer...

Page 48: ...TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 4 2 Drivers 3 NorthandSouthConnections 24Vdc connectors are on the lower part of the motherboard Fan HC output and HB HC temperature...

Page 49: ...temperature into the extruders Servo connector is plugged top right red position for A4 green position for A2 Filament sensor is plugged at the Black yellow pins aside the servo connector right for A4...

Page 50: ...45 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 4 4 Thermocouple servo encoder lcd filament sensor...

Page 51: ...rvo and End of Filament Connections 5 Fan and Endstops Fan connection must be ALWAYS with the red lead on connector facing to the right Fan connection socket be sure to use the upper half of the socke...

Page 52: ...47 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 4 6 Fan and Endstops...

Page 53: ...Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual 6 Correct Appearance If motherboard is correctly wired it should look like this Figure 6 4 7 Properly Cabled and Fu...

Page 54: ...9 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual 6 5 Cooling Circuit Maintenance Flow Chart Figure 6 5 1 Cooling Circuit Maintenance Flow Chart...

Page 55: ...2 Distilled Water Figure 6 6 3 Cellulose Rags Towels Figure 6 6 4 Empty Containers Water Bottles Shown CAUTION ALWAYS USE PUREST POSSIBLE DISTILLED WATER Any other fluid will void warranty 1 Turn off...

Page 56: ...51 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 6 6 Removing Liquid from Reservoir Figure 6 6 7 Unplug Inlet Pipe...

Page 57: ...Maintenance Troubleshooting Manual 5 Drain any liquid left in the circuit Figure 6 6 8 Drain Remaining Liquid 6 Put some rags below the pump area Figure 6 6 9 Rags Below Reservoir 7 Detach the outlet...

Page 58: ...nters Maintenance Troubleshooting Manual Figure 6 6 10 Detach Outlet Pipe 9 Blow gently with compressed airintooutlet pipe This way you will be able to drain any remains of liquid into thecircuit Figu...

Page 59: ...TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual 6 7 Cooling Circuit Fix Bent Piping Figure 6 7 1 Cooling Circuit Bent Piping Diagnostic Flowcha...

Page 60: ...rrect flow of water cooling correct flow must be restored to regain complete control of extrusionprocess If bend is happening anywhere in the printer BUT NOT at the extruder block 1 Remove bend re sea...

Page 61: ...Blow insideextruderblockwaterinlet outlet keep some towel upon block to avoid spreading water around 4 If pipes were fully seated shorten 5mm 5 Put back piping see if there is any visual knee that co...

Page 62: ...57 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual 6 8 Cooling Circuit Cleaning Figure 6 8 1 Cooling Circuit Cleaning Flowchart...

Page 63: ...ing Bottle Figure 6 8 3 Distilled Water Figure 6 8 4 Empty Containers CAUTION ALWAYS USE PUREST POSSIBLE DISTILLED WATER Any other fluid will void warranty Figure 6 8 5 Cellulose Rags Towels Figure 6...

Page 64: ...l reservoir with distilled water 6 Turn on machine 7 Don tletthelevelgotoolowonreservoir Useemergency button to stop 8 Once water level is steady on reservoir let it run for 1 2 h 9 Completely drain m...

Page 65: ...s needed when pump is not turning or it is turning at low speed Tools needed before undertaking this task other than the ones needed to drain machine Figure 6 9 1 Hex Keys Figure 6 9 2 Cellulose Rags...

Page 66: ...Troubleshooting Manual 3 Put some rags below the pump reservoir Figure 6 9 4 Place Rags below Pump Reservoir 4 Remove the screws holding the pump against reservoir As soon as screws are removed use ra...

Page 67: ...r gasket seal integrity foreign part s on the pump impeller clean pump shaft Figure 6 9 6 Inspect Pump Components 6 Be sure that impeller is free to rotate on shaft 7 Clean the pump seal and the seal...

Page 68: ...unning check connection Replace if connection is ok 6 10 Pulleys It may happen that pulleys are getting loose or moving along the bearings getting to touch supporting metal sheet To check that pulleys...

Page 69: ...3D Printers Maintenance Troubleshooting Manual Figure 6 10 1 Pulleys CAUTION Moving the extruder holder around by hand may generate enough current to fry any USB device connected to the printer be su...

Page 70: ...t hair fibers that may bring serious trouble if routine cleaning is not performed Use a vacuum cleaner to remove any contaminant from heat exchanger inlet NEVER blow air or compressed air onto heat ex...

Page 71: ...Printers Maintenance Troubleshooting Manual 6 12 Stepper Heat Sinks Cleaning This is one of the printer areas most subject to dust accumulation NOTE Clean this area with compressed air can DON T use i...

Page 72: ...13 Belt Tension Upper and lower belts should have same tension If you can feel notable difference then you must correct situation Loosen the nuts of the plate holding the X or Y motor push or pull it...

Page 73: ...68 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual 6 14 Heated Chamber Diagnostic Flowchart Figure 6 14 1 Fan Inlet...

Page 74: ...d electrical maintenance technicians DON T attempt if you lack proper training tools and safety equipment SEEK QUALIFIED HELP or revert to 3ntr support before attempting ANY activity on LIVE AC powere...

Page 75: ...70 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 15 2 Fan Connections Cover Removed...

Page 76: ...n Heated Chamber SSR TH safety check that connection is OK checkTHisworking atroomtemperature unplug both connectors entering the TH and using a multimeter you must read continuity bypass the TH detac...

Page 77: ...leads entering the SSR must be checked Figure 6 15 5 Correct SSR Cabling Connection SSR cabling WRONG CABLING screw terminal holding the plastic part of the lead Figure 6 15 6 Incorrect SSR Cabling C...

Page 78: ...Screw Terminals Tighten Vibrations extreme temperatures may loosen the screw terminals This can lead to hard to diagnose problems if you happen to get some weird problems hard to explain 1 Turn OFF ma...

Page 79: ...74 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 16 1 Screw Terminals Inspect Tightness...

Page 80: ...lems to diagnose Therefore Keep fans clear from cables or anything that can prevent fan rotation If fan is showing slow irregular rotation immediately replace it Sunon fans have proved so far exceptio...

Page 81: ...e sure to see some filament being extruded out of the nozzle 9 Remove filament put the temperature probe fully down into the extruder 10 Let temperature to settle for one minute then read the temperat...

Page 82: ...77 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 19 1 Motherboard and Power Supply Probe Test Locations...

Page 83: ...ove fan blowing on the motherboard to gain fully access to stepper drivers Blackprobe onextreme right PWR screwterminal Redprobeondrivertrimmer smallscrew likemetal device on top of stepper drivers Re...

Page 84: ...nual 6 21 Stepper Current Settings Silent Drivers Notice that jumper settings have changed all removed except Z see below Procedure is as for old stepper drivers values are changed as follow Readout o...

Page 85: ...o motherboard area 3 Touch any bare metal part to discharge any static charge that could damage machine electronics 4 Remove the faulty driver just grab it with your fingers For X Y Z driver you must...

Page 86: ...could be slightly different Proof of good setting can be seen during printing process when machine is repeatedly feeding and retracting the lever shouldn t move if you can see some fluctuation then th...

Page 87: ...more space to lift and remove motor and gearbox assembly 6 Lift and remove gearbox 7 Note the distance between coupling and gearbox you must maintain coupling on the new motor gearbox assembly at the...

Page 88: ...e plastic cover of the screw terminal for your convenience you may want to completely detach the fan heater assembly from the printer be sure to take note of leads cables positions into screw terminal...

Page 89: ...ce Troubleshooting Manual 12 tighten the two 8mm nuts 13 Check that no cable is to be seen inside the printer 14 Turn on the printer see if fan is turning 15 Using repetier Host turn on heated chamber...

Page 90: ...ULL AC PLUG FROM WALL IN NO CASE MAINTENANCE HAS TO BE PERFORMED ON AN AC POWERED UNIT Tools needed 2 5mm hex key 5mm key UHU PATTEX or any solvent based general purpose glue 1 Using the 2 5mm hex key...

Page 91: ...er can be removed gently lift it upwards to let it disengage from the water tank cap 5 Same procedure applies to left cover part 3 in Fig 4 22 1 6 Remove the six screws holding the front panel assembl...

Page 92: ...if emergency button 10 Replace part 11 Restoreelectricalconnection jogwheelconnector keyboard notchisfacingUPonthe motherboard whileLCD connector notch is facing DOWN on the motherboard 12 If clear Pl...

Page 93: ...ckaging Use the following images to properly re package the printer before shipping CAUTION Failure to place the printer on a suitable pallet and or package the printer as shown can result in damage t...

Page 94: ...89 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 28 3 Pallet Detail Side Blocks Figure 6 28 4 Printer Corner Protection...

Page 95: ...90 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 28 5 Printer Side Protection Padding Figure 6 28 6 Front and Rear Printer Crate...

Page 96: ...91 TRAK Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 28 7 Printer Crate Sides and Top Padding...

Page 97: ...r Plate Change It may be required if you are updating an older machine to new standard or if the extruder assembly has been hit damaged during Z plate lift i e faulty Z sensor operator error 1 Remove...

Page 98: ...es Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual 3 Detach fan and end stop connectors them remove connectors plate Figure 6 29 3 Detach Fan and End Stop Connectors Plate 4 Place holder...

Page 99: ...Printers Maintenance Troubleshooting Manual 5 Place safety hold screw then remove back and rear plates Figure 6 29 5 Place Safety Holder Screw then Remove Back and Rear Plates 6 Gently pull apart belt...

Page 100: ...yringe with black glue Magnets to be glued Hardware tools to clean holes le sanding paper Masking labels A printer of the same type for the plate being repaired to later cure it Repair Procedure 1 Cle...

Page 101: ...dustries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 30 1 Printer Plate Corner Hole 2 Apply the masking label on the lower tray side the one touching the hot plate Figure 6 3...

Page 102: ...ers Maintenance Troubleshooting Manual 3 Get the magnets Let them stick to the hot plate at room temperature not to harm yourself Figure 6 30 3 Magnet Stack 4 Mark the upper face of the magnet stack w...

Page 103: ...K Machine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual 5 Place the magnet into the masked hole marked side UP Figure 6 30 5 Magnet in Printer Plate Corner...

Page 104: ...6 Set heated bed at 100 C Wait for temperature to settle Be sure to have magnet away from any heated bed magnet Figure 6 30 6 Plate with Magnet in Corner Hole on Heated Bed 7 Put a SMALL drop of glue...

Page 105: ...aintenance Troubleshooting Manual 8 Add glue drops until you coat the magnet Don t exceed with glue avoid getting a bubble that protrudesaboveplatelevel NOTE Be sure to keep the syringe with unused gl...

Page 106: ...te level yet you don t see it anymore the magnet surface Figure 6 30 8 Completed Glue Application to Plate Magnet 11 Let it cure with supplied GCODE Just in case below are the gcode programlinesneeded...

Page 107: ...access to the motherboard area remove front and side panels 3 Be sure to have at hand the thermocouple adapter and auxiliary power supply Figure 6 31 1 Power Supply and Thermocouple Adapter 4 Connect...

Page 108: ...Figure 6 31 3 Removing Thermocouple Leads 6 Put the leads on thermocouple adapter Figure 6 31 4 Connecting Thermocouple Leads to Adapter 7 Connect the pole of the auxiliary power supply blue lead on t...

Page 109: ...e one must be along with the lead going on the motherboard connectors IMPORTANT In case of upgrade of extruder 3 the existing red lead must be cut out from the cable going to the motherboard as shown...

Page 110: ...r A4V3 time lapse 3 send the command sudo reboot 4 Server will reboot and regain control 6 33 Print Server Lost Password If you enabled access control on the print server but forgot your password and...

Page 111: ...Printers Maintenance Troubleshooting Manual Figure 6 34 1 Screen After sudo mc 3 You will be shown the printer names of active defined models on your print server 4 Choose the directory of disappeari...

Page 112: ...itself and files will reappear Figure 6 34 3 Screens After sudo reboot 6 35 Print Server Files are Visible but Won t Print This has to do with some issues with files Following the disappeared files p...

Page 113: ...ive defined models on your print server 4 Choose the directory of disappearing files 5 Get into jobs directory 6 Delete the linfo le the file ending with linfo move cursor over selected file then pres...

Page 114: ...sting MUST BE rwxrwxrwx If it is like that then your print server install is OK If not go on reading Figure 6 36 1 Data Display After Is I Command 3 sudo chmod a rwx 4 Logout Try flashing again it sho...

Page 115: ...119 command Machine will reply with filament_runout_pin NOT TRIGGERED if everything is OK e Remove a filament and again sending an M119 command you must get a filament_runout_pin TRIGGERED reply f If...

Page 116: ...bly A2 is at left A4 is at right 3 Using suitable devices completely empty the reservoir 4 Detach pump outlet lower pipe and place it into a 1 2 lt empty plastic bottle keep a towel at hand to avoid a...

Page 117: ...get complete pipe cleaning 3 If water is still not flowing turn power off turn power on and a Check all piping that no sharp bends are obstructing flow b Check that no pipe is being pinched by metal...

Page 118: ...iencing horizontal banding or irregular horizontal stripes on your print chances are that the Z movement has problems Figure 6 39 1 Horizontal Banding on Lower Portion Motherboard Fan Unplugged Checkl...

Page 119: ...nuts dismount machine and inspect Defective Z motor gearbox Defective motor cabling loose crimp 6 40 X Y Z Axis Won t Move If the selected axis doesn t move check as follow Cable from motherboard to s...

Page 120: ...y Switch Installation Calibration Figure 6 41 1 Z Safety Switch 1 Move plate Z down about to 60 80mm 2 Remove upper right cover to gain access to motherboard 3 Connect cable leads to 4 and 5 Figure 6...

Page 121: ...l setting 14 Test Z homing without tray in place safety switch will cause homing to keep nozzles away from heated plate 6 42Z Safety Switch is triggered machine is locked This is an expected behavior...

Page 122: ...AK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 43 1 Multimeter Set to Continuity Mode If you touch probes display will change and possibly hear a beep Figure 6 43 2 Checking Multimete...

Page 123: ...ine Tools Southwestern Industries Inc TRAK 3ntr 3D Printers Maintenance Troubleshooting Manual Figure 6 43 3 Multimeter Indicating Blown Fuse This fuse is good it works Figure 6 43 4 Multimeter Indica...

Page 124: ...ou must be careful with probes Be sure that probes are touching just the test points avoid touching any metal part of the machine You may permanently damage machine parts If you are testing AC voltage...

Page 125: ...Figure 6 44 2 Correct 228 VAC Entry MM Set to AC If you are measuring DC voltage red lead goes onto and black lead goes onto points Testing 24Vdc output on PSU terminals Figure 6 44 3 Testing 24V DC o...

Page 126: ...ent from 3ntr Industrial Grade 3D Printers Maintenance Manual v 1 18 6 07 2017 v1 11 Added weird LCD behavior 10 07 2017 v1 12 Print server doesn t start prints 4 9 2017 v1 13 dead axis dead cooling p...

Page 127: ...itness for a particular purpose and of any other obligations or liability on the part of TMT SWI or any producing entity if different Warranty repairs exchanges do not cover incidental costs such as i...

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