TRAK 3ntr Maintenance & Troubleshooting Manual
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TRAK 3ntr Maintenance & Troubleshooting Manual

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TRAK
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
3ntr 3D Printers
®
Maintenance & Troubleshooting Manual
|
service@trakmt.com
Document:
Version:
|
web: www.trakmt.com
P/N 32241
121820

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  • Page 1 TRAK 3ntr 3D Printers ® Maintenance & Troubleshooting Manual Document: P/N 32241 Version: 121820 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...
  • Page 2 Copyright © 2020, Southwestern Industries, Inc. All rights are reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, mechanical, photocopying, recording or otherwise, without the prior written permission of Southwestern Industries, Inc.

  • Page 3: Table Of Contents

    Main Diagnostic Checklist ..............33 Repair Procedures .................. 35 No Power Diagnostic Flowchart ................... 35 No Power Check ......................... 36 Fuse is blown repeatedly ....................41 TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 4 Print Server – Files are Visible, but Won’t Print ..............107 6.36 Print Server – Firmware won’t flash anymore ..............109 6.37 Filament Sensor Doesn’t Work/Works Intermittently ............109 TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 5 Appendix A – Testing for Shorts (Continuity) ..............116 6.44 Appendix B – How to Test Voltage ..................119 6.45 Appendix C: Changelog....................121 TRAK Warranty Policy ................... 122 TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 6: Introduction

    This Maintenance Guide contains information to assist skilled and trained technicians in the maintenance, troubleshooting, and repair of the TRAK 3ntr 3D printers. It is far from complete; however, directly addresses the most commonly encountered issues that require maintenance, service, and/or troubleshooting with the TRAK 3NTR A2/A4 3D Printers.

  • Page 7: Safety

    2 Safety The safe set-up, calibration, and operation of your TRAK 3ntr 3D printer depends on its proper use and precautions taken by each operator. If these activities are performed incorrectly, there are risks, not limited to, electric shock, pinch/crush, burns, inhalation of fumes/debris that can cause serious injury or death.
  • Page 8 18) Do not operate the printer with the printer access door open or any of the windows or service access panels removed. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 9: Maintenance

    3 Maintenance 3.1 Check & Fill Coolant Level The 3ntr printer is shipped with the coolant reservoir filled; however, check the coolant level before performing any calibration or test prints. CAUTION – Printing with insufficient coolant will result in bad prints and in some cases may result in nozzle and/or extruder damage.

  • Page 10: Extruder Handling & Service

    Available also on anti-abrasion metal (0.4mm). Figure 3.2.1 Extruder Components TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 11: Extruder Assembly Breakdown

    3.2.3 Extruder Configurations – Normal/HI TEMP When disassembling an extruder assembly, pay close attention to the heat bridge orientation. Figure 3.2.3 Extruder Configuration ID Guide: Normal and HI TEMP TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 12: Handling Extruder Assemblies - Best Practices

    3.2.4 Handling Extruder Assemblies – Best Practices Your 3NTR extruder assemblies do require some attention to handling to ensure a long service life. This section provides guidance for handling extruders as applicable to nozzle changes, extruder disassembly, and any other maintenance service operation that requires handling the extruders.

  • Page 13: Tool For Nozzle And Heat Bridge Service

    Use opposing force only to secure assembly for use in the printer. IMPORTANT - These are the only surfaces you should use force on when servicing an extruder. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 14: Nozzle And Ceramic Heater Assembly/Disassembly

    This gap is not critical. Just make sure it is there. Fit both wrench and socket on torque screwdriver, apply opposing force to secure them to one another at 1.3 Nm. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 15: Other Extruder Handling Considerations

    Figure 3.2.8 Using Set Screw to Secure Bowden Tube Adapter Set Screw Positions must be reachable, but as close to aluminum block as position will allow without touching. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 16: Extruder Disassembly

    Procedure. 3) Remove PTFE piping: push on collar with the supplied tool (or a 7mm key) while pushing in the pipe then pulling it away TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 17 Figure 3.3.2 Release Tube Adapter Set Screw 5) Hold the heater with the specific tool. Figure 3.3.3 Holding Heater with Specific Tool 6) Remove nozzle (you can use dynamometric screwdriver) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 18 8) Unplug heater connector (push on small clip before pulling) Figure 3.3.5 Unplug Heater Connector – Push on Clip Before Pulling Connector 9) Release set screw, remove extruder TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 19 10) Remove steel pipe (heat bridge) Figure 3.3.7 Heat Bridge Removed 11) Mount the nozzle, leaving about one mm clearance as shown Figure 3.3.8 Nozzle Clearance Illustration TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 20 Figure 3.3.11 Holding Heater & Locking the Nozzle 15) Perform a Z nozzle alignment. See Section Z Nozzle Comparison -3 Nozzles Relative Z Position Calibration for Procedure TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 21: Filament Feeder Installation

    Figure 3.4.2 Three Nozzle Feeder (A2) Figure 3.4.3 Two Nozzle Feeder (A2) NOTE – Before fitting it on the printer, each filament feeder assembly must have its PTFE pipe fitted TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 22 Passage Each Location 3) Mount all feeders, be sure that each feeder is fully engaged, pushing it downwards. 4) Secure each feeder with lock lever. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 23 NOTE – PTFE piping must not come off unless pushing on the small plastic collar. Be sure to have PTFE pushed all the way inside the holder. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 24: Feeder Roller Cleaning

    4) Disconnect stepper cable (grab connector NOT the cable) Figure 3.5.1 Disconnect Stepper Cable 5) Detach feeder assembly from printer 6) Unscrew the three bolts (as from picture) and detach gearbox TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 25: 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 new features. Keep in touch with your TRAK 3ntr partner to keep your printer firmware up to date.

  • Page 26: Firmware Upgrade Process

    NOTE - If your firmware is not responding at the M505 command, chances are that you are running a version that is way too old. Get in touch with your TRAK 3ntr partner or directly with TRAK customer service to learn about your machine upgrade policy.

  • Page 27: Firmware Update - Pc Procedure

    6) Connect to the printer and re-write the M218 and M518 parameter THEN send an M500 to store them in the machine memory. 7) Now machine is ready to print! Figure 3.6.4 Xloader Tool TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 28: Firmware Update - Print Server Procedure

    3) Connect the computer to the cabinet display via the USB cable inside the MMS (very short, may need a USB male-female extension cable). NOTE – You should see the cabinet’s touchscreen power up when connected. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 29 Figure 3.7.2 MMS Unit Serial Number 6) Update the system id from the system menu on the touch screen (necessary to connect multiple mms cabinets to the same server). TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 30: Controlling Relative Humidity (Rh) Within Mms Cabinet

    RH below 20% unless there are an unusual frequency and/or extended duration of cabinet opens. Figure 3.8.1 Drying Desiccant Canister in Oven TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 31 We dry ours in a home oven on layers of aluminum foil, then use multiple layers of foil to wrap the cylinder tightly to keep it dry until use (figure 23). TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 32: Troubleshooting

    Check liquid level Check radiator fans Wrong thermal calibration Check that recorded values are correctly matching the installed heaters Nozzle is too close to plate Perform Z calibration TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 33 Polymer has higher than expected Increase your part size in slicing software shrinkage ratio Change polymer Lower printing temperature (if possible) Use part ventilation Use heated chamber TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 34 Check connector integrity Defective heater Replace heater (or set thermal gain to 0.9 to temporary disable the error message – YOU CAN’T USE THIS EXTRUDER ANYWAY)" TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 35 Problem/Symptom: Sketchy Movement/ Axis won’t Reverse Direction Potential Cause Diagnostic/Remedy Actions See Problem/Symptom Squashed Part/Jerky Z Plate Movement Problem/Symptom: Filament is Stuck into Bowden Potential Cause Scenario Diagnostic/Remedy Actions TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 36: Useful Gcode Commands

    Found values will not be stored. Use M500 to save them M500 Finish all pending instructions Save parameters into EEPROM M502 Reload default parameters from EEPROM M503" " Reload parameters saved from EEPROM TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 37 Start filament change M601 Save current position and park extruders M602 Move extruders back to saved position T0/T1/T2 Select extruder" Figure 4.2.1 Table of Useful G-Code Commands TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 38: Main Diagnostic Checklist

    5 Main Diagnostic Checklist Figure 4.2.1 Main Diagnostic Flowchart Page 1 TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 39 Figure 4.2.2 Main Diagnostic Flowchart Page 2 TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 40: Repair Procedures

    CAUTION - 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 you didn’t attend to 3ntr training procedures STOP NOW.

  • Page 41: No Power Check

    Figure 6.2.5 Checking Fuse on Main Switch 3) Check AC power cord – swap it with another one if possible 4) Test all AC screw terminals TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 42 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 connections 7) (A2) Disconnect safety thermostat TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 43 Figure 6.2.10 Plug In Power Cord 10) Turn on machine – IF STILL NO POWER, go on with this checklist 11) Check that EMERGENCY button is released TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 44 14) Check that there is 24Vdc output on 24v PSU. If not, turn power off. Detach all 24V PSU outputs. Power on again. If still no 24V, replace PSU TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 45 15) Check that there is 12Vdc output on 12v PSU. If not, turn power off. Detach all 12V PSU outputs. Power on again. If still no 12V, replace PSU Figure 6.2.14 Check PSU Output Voltage TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 46: Fuse Is Blown Repeatedly

    Therefore, be sure that motherboard is wired correctly, with no loose connector or any slack cable around. 1) Jumpers Jumpers are needed to set some hardware configurations. Be sure to set jumper position as in the following figure: TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 47 (trimmer at right) To check current on each driver: put multimeter probes as shown below (black probe on “-” PWR screw, red probe on selected driver trimmer). TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 48 3) North and South Connections. 24Vdc connectors are on the lower part of the motherboard. Fan/HC output and HB/HC temperature sensors are on the upper edge of the motherboard. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 49 Jogwheel connector goes (notch UP) on the ENC connector. LCD goes (notch DOWN) on LCD connector. LCD contrast is set with the trimmer near the LCD socket. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 50 Figure 6.4.4 Thermocouple, servo, encoder, lcd, filament sensor TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 51 Fan connection socket: be sure to use the upper half of the socket (marked as 12/24V) as from following image. End stop must ALWAYS be connected on the two lower pins of the end stop socket. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 52 Figure 6.4.6 Fan and Endstops TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 53 6) Correct Appearance. If motherboard is correctly wired, it should look like this: Figure 6.4.7 Properly Cabled and Functioning Motherboard TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 54: Cooling Circuit - Maintenance Flow Chart

    6.5 Cooling Circuit – Maintenance Flow Chart Figure 6.5.1 Cooling Circuit Maintenance Flow Chart TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 55: Cooling Circuit - Drain System

    2) Gain access to the pump/reservoir assembly 3) Using the filling bottle, remove as much liquid you can from the reservoir 4) Unplug the inlet pipe to the reservoir TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 56 Figure 6.6.6 Removing Liquid from Figure 6.6.7 Unplug Inlet Pipe Reservoir TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 57 6) Put some rags below the pump area Figure 6.6.9 Rags Below Reservoir 7) Detach the outlet pipe 8) Put inlet pipe into a container to collect fluid during blowing TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 58 9) Blow (gently) with compressed air into outlet pipe. This way you will be able to drain any remains of liquid into the circuit Figure 6.6.11 Blowing Compressed Air into Outlet Pipe 10) Machine ready! TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 59: Cooling Circuit - Fix Bent Piping

    6.7 Cooling Circuit – Fix Bent Piping Figure 6.7.1 Cooling Circuit Bent Piping Diagnostic Flowchart TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 60 If bend is happening at the extruder block (WE ASSUME THAT MACHINE IS FULLY DRAINED): 1) Remove extruders 2) Detach piping (if pipes were fully seated, they will need to be shortened later on) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 61 5) Put back piping – see if there is any visual “knee” that could still prevent free flow of coolant. Figure 6.7.5 Coolant Piping after Replacement 6) You may need to pull some piping 7) Clean cooling circuit TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 62: Cooling Circuit - Cleaning

    6.8 Cooling Circuit - Cleaning Figure 6.8.1 Cooling Circuit Cleaning Flowchart TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 63 Figure 6.8.6 Baking Soda (Sodium Bicarbonate) 1) Power OFF and Unplug Printer Figure 6.8.7 Unplug Printer 2) Completely drain machine 3) Invert inlet with outlet on pump/reservoir TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 64 11) Run for 5 minutes 12) Completely drain machine 13) Revert piping (inlet outlet) on pump/reservoir to original configuration. 14) Refill with printer cooling fluid (the red one) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 65: Cooling Circuit - Pump Cleaning

    1) Turn Printer OFF and remove AC Power. Figure 6.9.3 Remove AC Power 2) Drain cooling circuit. Be sure to have completely drained the pump/reservoir. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 66 4) Remove the screws holding the pump against reservoir. As soon as screws are removed, use rags to absorb all water into pump housing. Figure 6.9.5 Removing Pump/Reservoir Screws TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 67 7) Clean the pump seal and the seal “landing zone” on reservoir- (on some pump version the white pin is not present) Figure 6.9.7 Clean Pump Sealing Surfaces TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 68: Pulleys

    3) Turn ON machine (to get LED lighting) and check pulleys clearance – you must be able to take a thin paper fragment between pulley and the supporting metal. NOTE - XY motors are strong enough to cope with some pulley friction. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 69 CAUTION - Moving the extruder holder around by hand may generate enough current to fry any USB device connected to the printer – be sure to unplug printer before attempting ANY manual movement. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 70: Heat Exchanger Cleaning

    – you may worsen situation blowing contaminants INSIDE the printer. You can do the opposite, blowing thru the radiator from inside the printer. Figure 6.11.1 Heat Exchanger TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 71: 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 industrial compressed air guns! Figure 6.12.1 Stepper Heat Sinks TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 72: Belt Tension

    Loosen the nuts of the plate holding the X or Y motor – push (or pull it, if you removed the right cover) until you get even tension among both X and Y. Figure 6.13.1 Belts – Check Tension TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 73: Heated Chamber Diagnostic Flowchart

    6.14 Heated Chamber Diagnostic Flowchart Figure 6.14.1 Fan Inlet TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 74: Heated Chamber Inspect & Repair

    FULLY DISCONNECT AC POWER WHEN SERVICING ANY AC DEVICE!!!! THESE PROCEDURE(S) are for trained 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 powered parts.
  • Page 75 Figure 6.15.2 Fan Connections (Cover Removed) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 76 TH (detach the wire going from TH to the heater – plug the other one entering the TH directly to the heater) Figure 6.15.4 TH Connections TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 77 Check that there is current arriving on the heater poles (fed by brown and blue leads in picture) • If power is present on heater poles and still no heating, then replace heater. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 78: Screw Terminals - Tighten

    1) Turn OFF machine and unplug cord from AC socket 2) Remove relevant covers 3) Check screw terminals (with a fat tip screwdriver) being tightened correctly. Don’t over tighten! TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 79 Figure 6.16.1 Screw Terminals – Inspect Tightness TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 80: Dc Fans - Inspect

    IMPORTANT - Motherboard fan must be blowing TOWARD the motherboard (see pic) Figure 6.17.1 Motherboard Fan Working Correctly (Green LED) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 81: Extruder Gain - How To Find

    = Tr / Ts = 232 / 240 = 0,96 12) Set gain of selected extruder and save it using LCD function. CAUTION - Use ONLY the probes and display supplied from 3ntr to avoid any malfunction 6.19 DC Power Supply Test Power supply is delivered to be feeding power at 24Vdc +/- 0.3V: you can test it with a multimeter on (+) and...
  • Page 82 Figure 6.19.1 Motherboard and Power Supply Probe Test Locations TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 83: Stepper Current Setting (Old Stepper Drivers)

    Readout on Z = 1.15V • Put back the fan • Check that all connectors are correctly and safely seated • Figure 6.20.1 Multimeter Probe Placement TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 84: Stepper Current Settings (Silent Drivers)

    Readout on E0/E1/E2 = 0.9 V • Readout on X / Y = 1,4 V • Readout on Z = 1.15 V • Figure 6.21.1 Silent Driver Jumper Settings TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 85: Stepper Driver Replacement

    6) Put back on the cooling fan. 7) Check that cabling and connector is OK. 8) Power up machine, test if relevant axis is moving OK. Figure 6.22.1 Stepper Driver Identification TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 86: Feed Pressure - Check/Restore To Factory Default

    Heat exchanger is clean, and air is correctly flowing • Air can flow freely behind LCD • Defective LCD – replace it • Defective motherboard – replace it TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 87: Z Motor Replacement

    CAUTION - Power Down Printer, unplug machine and remove AC cord, BE ABSOLUTELY SURE THAT BY NO MEANS THERE IS AC POWER ARRIVING TO THE MACHINE. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 88 9) Put back the heater/fan assembly on the rear cover 10) Put back the two remaining 8mm nuts to temporary secure the heater/fan assembly 11) mount the rear panel with the eight screws TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 89 15) Using repetier Host, turn on heated chamber, see if you get any heating. You may need to wait 5-10 minutes to see any T change TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 90: Front Panel Removal

    2) Remove the hex key holding the right cover (part 2 in Fig.4.22.1) – screws are both on right side and on machine rear Figure 6.27.1 Panel Removal 3) Remove the screws inside the printing chamber (V1 and V2, Fig 4.22.2) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 91 6) Remove the six screws holding the front panel assembly (part 4, Figure 4.22.1) 7) Open the printer door to get optimal clearance to remove front panel assembly. 8) Remove the selected part (LCD/Jogwheel/Emergency Button) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 92 (such as UHU or PATTEX) 13) Put back front, right and left covers 14) Restore AC power, test machine emergency button / LCD / jogwheel to be OK TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 93: Machine Packaging

    CAUTION – Failure to place the printer on a suitable pallet and/or package the printer as shown can result in damage to the housing and mechanism. Figure 6.28.1 Printer Pallet with Pads Figure 6.28.2 Printer on Pallet with Lower Side Blocks TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 94 Figure 6.28.3 Pallet Detail – Side Blocks Figure 6.28.4 Printer Corner Protection TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 95 Figure 6.28.5 Printer Side Protection Padding Figure 6.28.6 Front and Rear Printer Crate TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 96 Figure 6.28.7 Printer Crate Sides and Top Padding TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 97: Extruder Plate Change

    Z plate lift (i.e.: faulty Z sensor/operator error) 1) Remove extruder cooling block Figure 6.29.1 Remove Extruder Cooling Block 2) Remove fan holder Figure 6.29.2 Remove Fan Holder TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 98 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 bracket Figure 6.29.4 Place Holder Bracket TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 99 Figure 6.29.5 Place Safety Holder Screw, then Remove Back and Rear Plates 6) Gently pull apart belt-holding plates Figure 6.29.6 Pulling Apart Belt Holding Plates TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 100: Print Plate Repair Procedure

    – use a drill bit or a le to get to a bigger clearance if needed • Do not force the magnet into the hole • Be sure to remove any dust TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 101 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 6.30.2 Masking Label on Lower Plate Side TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 102 Figure 6.30.3 Magnet Stack 4) Mark the upper face of the magnet stack (while placed on hot plate magnet) Figure 6.30.4 Mark the Magnet Stack TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 103 5) Place the magnet into the masked hole, marked side UP Figure 6.30.5 Magnet in Printer Plate Corner Hole TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 104 7) Put a SMALL drop of glue on the magnet. Let it get warm and more fluid – it will penetrate the space between magnet and carbon plate. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 105 NOTE - Be sure to keep the syringe with unused glue into a cold storage (fridge is OK) Figure 6.30.7 Applying Glue to Magnet TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 106 M117 CURE 2 G4 S1800 M117 DONE M190 S10 12) After curing, let plate cool down one hour before moving/using it. 13) Remove masking label before use! TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 107: Very High Temperature Hardware/Firmware Modification

    Be absolutely sure that the RED lead (severed) is on the upper position. Failing to comply will fry the board. Figure 6.31.2 Thermocouple Adapter Connection 5) Remove thermocouple leads from motherboard TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 108 7) Connect the (+) pole of the auxiliary power supply (blue lead) on the fourth terminal from right on the lower motherboard area Figure 6.31.5 Auxiliary Power Supply Connection TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 109 10) If there is just one extruder affected by the modification, remove redundant wires as shown Figure 6.31.8 Removing Redundant Wires – Single Extruder Modification TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 110: Print Server Stops Working

    This occurs if print server loses power when receiving a file. To restore sanity: 1) Log into print server using Putty 2) Insert following command: “cd /” “cd var/lib/Repetier-Server/printer” “sudo mc” TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 111 3) You will be shown the printer names of active/defined models on your print server 4) Choose the directory of disappearing files. 5) Get into “jobs” directory. Figure 6.34.2 Jobs Directory TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 112: Print Server - Files Are Visible, But Won't Print

    If you still are not able to print, just delete all files (you will lose everything – gcodes and time lapses): 1) Log into print server using Putty 2) Insert following commands: “cd /” “cd var/lib/Repetier-Server/printer” “sudo mc” TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 113 “models” and “timelapse” directories 7) Press F10 “sudo reboot” to restart. System will rebuild itself and files will reappear. Figure 6.35.2 Files after System Rebuild TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 114: Print Server - Firmware Won't Flash Anymore

    3) Check the connectors on each filament sensor 4) Open each sensor Clean from powder or any filament residual Check that soldered on sensor (g.18 – 2) ends are OK TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 115: Printer Jams Frequently - Cooling Circuit Jammed

    Plastic pipes entering/exiting the extruder holder block are showing some dark colored spots • Plastic pipes entering/exiting the extruder holder block are showing some “cloudy” substances TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 116 5) Detach inlet tube (it is the highest positioned pipe attached to the reservoir) and plug it into lower port (pump outlet) Figure 6.38.2 Inlet/Outlet Identification on Coolant Reservoir TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 117 5) Be sure that water level is OK NOTE - Using pure de-mineralized water is approved alternative to factory supplied blue tinted liquid. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 118: Print Looks Bad - Stripes

    Unplugged or broken motherboard fan (not cooling the Z driver, it will overheat and not work constantly) • Bottom synchronization belt too tightened – release it a bit TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 119: X/Y/Z Axis Won't Move

    2) Faulty cable – try a temporary replacement with a spare cable (or get one temporary off the filament feeder) 3) Faulty stepper motor (VERY, VERY RARE): replace motor TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 120: Z Safety Switch Installation/Calibration

    3) Connect cable leads to (4) and (5) Figure 6.41.2 Cable Lead Connections 4) Fit safety switch on Z arm assembly as shown. Clamp part on Z assembly using screws (1) and TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 121: Z Safety Switch Is Triggered - Machine Is Locked

    In both cases, you need a multimeter. Let’s see hot to test a fuse: Set you multimeter into “continuity” mode. Some models will also emit a sound when current can flow. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 122 If you touch probes, display will change (and possibly hear a beep) Figure 6.43.2 Checking Multimeter Function – Touch Probes This fuse is blown. Discard it. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 123 Figure 6.43.3 Multimeter Indicating Blown Fuse This fuse is good – it works! Figure 6.43.4 Multimeter Indicating Fuse OK TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 124: Appendix B - How To Test Voltage

    Testing AC Voltage on Contactor Entry Figure 6.44.1 Testing AC Voltage on Contactor Entry Multimeter set to measure AC voltage. 228 VAC present on entry. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...
  • Page 125 Testing 24Vdc output on PSU terminals Figure 6.44.3 Testing 24V DC output on PSU Terminals Multimeter set to measure DC voltage. PSU is correctly feeding 24.15 Vdc to the system. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance & Troubleshooting Manual...

  • Page 126: Appendix C: Changelog

    Figure 6.44.4 Correct PSU DC Voltage Indicated on Multimeter 6.45 Appendix C: Changelog Content 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 pics 18-9-2017 v1.14: Always check fuse with multimeter...

  • Page 127: Trak Warranty Policy

    TRAK Machine Tools Southwestern Industries, Inc TRAK Warranty Policy Warranty TRAK products are warranted to the original purchaser to be free from defects in workmanship and materials for the following periods: Product Warranty Period New TRAK/ProtoTRAK 1 Year New 3ntr...

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