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7-1

5. Troubleshooting Guide

Thread breakage

11034 Rev. A

7. Troubleshooting

PROBLEM

POSSIBLE CAUSES

SOLUTIONS

Design

Stitches are too short and/or too

dense

Check the design for short and/or

dense stitches, and edit the

design to remove them

Needles

Incorrect needle for thread size

being used

Replace with a compatible needle

Needle is bent, damaged, or dull

Replace needle

Needle position is incorrect

Install the needle correctly (see

needle installation)

Needle scarf and/or needle eye is

burred

Replace needle

Thread

Incorrect thread size for the

needle being used

Replace with a compatible needle

Poor quality thread

Replace with a high quality

thread or spray silicone on thread

cone

S-twist (right twist) thread being

used

Replace with a Z-twist (left twist)

thread

Improper threading

Thread correctly (refer to

threading section)

Upper/bobbin

tension

Upper/bobbin tension too tight

Loosen upper/bobbin tension

Ratio of upper thread to bobbin

thread incorrect

Adjust upper and/or bobbin

tension (see tension section)

Incorrect check spring

tension/stroke

Adjust/replace check spring (refer

to the technical manual)

Fabric and hoops

Fabric is hooped loosely

Tighten fabric in the hoop (see

hooping section)

Inadequate backing allows fabric

to pull into needle plate hole

Increase number of backing

pieces

Rotary hook

Hook timing is incorrect

Adjust hook timing (refer to the

technical manual)

Rotary hook does not rotate

smoothly

Clean, oil, or replace

Gap between the UTC retaining

tab and the rotary hook is too

narrow

Widen the gap (refer to the

technical manual)

Bobbin

Bobbin is damaged

Replace bobbin

Bobbin thread feeds poorly

Repair or replace bobbin

Thread path

Scratches or burrs on thread path

Remove scratches with emery

cloth

Needle depth

Needle depth is incorrect

Adjust needle depth (refer to the

technical manual)

Содержание EP 1

Страница 1: ...Installation Operation and Maintenance manual for the EP 1 embroidery peripheral Single head single needle Easy to operate Low power consumption High quality results Part Number 11034 Revision A ...

Страница 2: ... without prior written approval of Melco Embroidery Systems Melco reserves the right to revise this publication and to make changes in it at any time without obligation of Melco to notify any person or organization of such revisions or changes All precautions have been taken to avoid errors or misrepresentations of facts equipment or products However Melco does not assume any liability to any part...

Страница 3: ...obbin Thread Tension 2 5 How to Select a Needle 2 6 Needle Replacement 2 6 3 Embroidery Hoops Loading Garments 3 1 Round Hoops 3 1 Rectangular Hoops 3 1 Attaching The Hoop To The Pantagraph 3 2 4 Detailed Operation The Control Panel 4 1 The Liquid Crystal Display LCD 4 1 Start Key 4 1 Stop Key 4 1 Arrow Keys 4 1 Hoop Center Key 4 1 Spool Key 4 1 Menu Key 4 1 Enter Key 4 1 Alt Key 4 2 The Light Emi...

Страница 4: ...d Break 4 4 Bobbin Thread Low 4 4 Dust Accumulation 4 4 Upper Shaft Lock 4 4 Hoop Limits 4 4 5 Configuration Unit Number 5 1 Display Brightness 5 1 Key Click Volume 5 2 Error Beep Volume 5 2 6 Operator Maintenance Cleaning 6 1 Disassembling the Hook Area 6 1 Assembling the Hook Area 6 1 General Cleaning 6 2 Lubrication 6 2 Lubricating the Hook Area 6 2 General Lubrication 6 2 7 Troubleshooting Gui...

Страница 5: ... weighted sound pres sure level at 1 meter from the machine is 66db The peak C weighted instantaneous sound pressure level is 71db The noise level was measured sewing a test design at 600 spm Recommended power conditioning equip ment LC 1800 Line stabilizer available from Accessory Resource Corporation Embroidering field size 24 x 14cm 9 5 x 5 5 Compatibility Premier EDS EZ and EDS III Intended us...

Страница 6: ... Symbols Caution Indicates a machine component will move Keep clear Shock hazard No user replaceable parts behind this label Do not open Pinch point Keep clear Pinch point Keep clear Pinch points Keep clear Needle pinch point Keep clear ...

Страница 7: ...ng the network cable Plug the net work cable into either of the network ports as shown in Figure 1 1 Plug the terminator cable into the other network connector It does not matter which cable is plugged into which connector 5 Your machine may have come with a needle already installed but it is a good idea to start your sewing with a new needle 6 Locate the thread guide bar and gently pull it upward...

Страница 8: ...wear loose or baggy clothing when operating the machine Take up Lever Oscillation Do not touch the take up levers during operation Exposed Needles During Operation Do not place body parts or other foreign objects under the needles during operation Rotary Hook Rotation Do not attempt to change bobbin thread during operation Do not place hands or other objects in the rotary hook area during operatio...

Страница 9: ...ev A 1 Setup Oscillation du releveur de fil Ne pas toucher les releveurs de fil pendant le service Aiguilles exposées pendant le service Ne mettre ni de parties du corps ni d autres objets au dessous des aiguilles pendant le service Rotation de la navette rotative Ne pas essayer de changer la canette pendant le service Ne pas mettre ni les mains ni d autres objets dans la zone de la navette rotati...

Страница 10: ... bedienen Hin und Herbewegung des Fadengebers Die Fadengeber nicht berühren wenn die Maschine in Betrieb ist Offenliegende Nadeln während des Betriebs Körperteile fernhalten und keine fremden Gegenstände unter die Nadeln legen wenn die Maschine in Betrieb ist Umdrehung des Umlaufgreifers Die Garnspule nicht austauschen während die Maschine in Betrieb ist Die Hände vom Umlaufgreifer fernhalten oder...

Страница 11: ... di rottura di ago 11034 Rev A 1 Setup Oscillazione delle leve d avvolgimento Non toccate le leve durante il funzionamento Aghi esposti durante il funzionamento Non mettete delle parti del corpo o altri oggetti stranieri sotto gli aghi durante il funzionamento Rotazione del perno girevole della bobina Non provate a ricambiare la bobina di filo durante il funziona mento Non mettete le mani o altri ...

Страница 12: ...do quando trabalhar com a máquina Oscilação da alavanca de enrolamento Não toque nas alavancas de enrolamento durante o seu fun cionamento Agulhas à vista durante o funcionamento Não coloque partes do corpo ou objectos estranhos por baixo das agulhas durante o funcionamento Rotação do gancho rotativo Não tente mudar fios das bobinas durante o funcionamento Não ponha as mãos ou outros objectos na á...

Страница 13: ...v A 1 Setup Oscilación de la palanca de compensación entrega hilo Eviten tocar las palancas de compensación entrega hilo durante el funcionamiento Agujas al descubierto durante el funcionamiento Eviten colocar partes del cuerpo u otros objetos debajo de las agujas durante el funcionamiento Rotación del gancho giratorio No traten de cambiar el hilo inferior de bobina durante la operación Eviten col...

Страница 14: ...1 8 EP 1 Operation Manual Melco Embroidery Systems ...

Страница 15: ...ck Bring the thread over the top of the same thread guide and pass it into the left hole again from the front to the back refer to Figure 2 1 4 Hook it around the back of the tension disc A 1 2 turn in a counter clockwise rotation refer to Figure 2 1 Use the rear tension disk B instead of A only when the Isacord thread is used 11034 Rev A 2 Needles Bobbins and Threads Figure 2 1 Threading diagram ...

Страница 16: ...read guides as you continue to pull it downward Figure 2 7 Figure 2 8 9 Hook the thread into the needle bar thread guide from the left side Figure 2 9 10 Pass the thread into the needle from the front to the rear use a threader if desired Figure 2 10 11 After threading the needle position the embroidery thread through the presser foot hole You may do this now by threading it as you would the eye o...

Страница 17: ...er can wind bobbin thread anytime even while embroidering because the bobbin winder is an independent part of the embroidery machine 1 Attach the bobbin reel onto the bobbin winding shaft and push the bobbin winding shaft downward 2 After hooking the bobbin thread onto the thread guide above the bobbin thread cone route the thread through the first thread guide and then the second guide in this or...

Страница 18: ... is coming off in a clock wise direction However some users feel that orienting it with the thread coming off in a counter clockwise direction is better Either way is acceptable 3 Place the bobbin reel into the bobbin case 4 Grasp the end of the thread and pass the thread into the bobbin case slit 5 Draw the thread under the tension plate and out the opening in the bobbin case then pass the thread...

Страница 19: ...th Setting Thread Tensions Setting Thread Tensions Upper Thread Tension The upper thread tension wheel works best when set between 4 and 5 on the numbered dial A higher number on the dial will increase the tension and a lower number will decrease the tension Experimentation with different threads and fabrics will give you experience on how to set the upper thread tension to best suit your needs Bo...

Страница 20: ... the lining of a coat HA x 1 75 11 sharp standard applicable to almost all embroidering HA x 1 90 14 sharp for embroidering a thick material like a canvas bag 65 9 ball point 75 11 ball point 90 14 ball point for knits sweaters other delicate gar ments Needle Replacement 1 With the power switch turned OFF raise the needle above the needle plate by turning the fly wheel counter clockwise 2 Loosen t...

Страница 21: ...care is not used dur ing hooping 5 Tighten the adjusting screw to secure the outer frame This will not tighten the garment only the frame itself You may need to load some garments several times until you get it just right Rectangular Hoops When stitching large embroidery designs maximum of 5 5 x 9 4 use the rectangular embroi dery hoop available from Accessory Resource Corporation Put a fabric on ...

Страница 22: ... pins as shown in Figure 3 2 4 When the mounting plate is firmly placed on the guide pins turn the mounting knob clock wise to secure the hoop as shown in Figure 3 3 To remove the rectangular embroidery hoop turn the knob in the direction opposite the arrow then remove the mounting plate from the guide pins NOTE When removing a fabric from a rectangular hoop press the fabric holder from the rear s...

Страница 23: ... display will read TRACE DESIGN 8 Press START to trace the design If the hoop needs to be moved for embroidery use the appropriate arrow keys then press START to trace the design again 9 Press ENTER to prepare the EP 1 for embroidery 10 Press START two times 11 When the design is finished embroidering the display reads END OF DESIGN Press START to embroider this design again or press MENU until th...

Страница 24: ...3 4 EP 1 Operation Manual Melco Embroidery Systems ...

Страница 25: ...and release and the machine will back up one stitch Press and hold for 5 seconds and the machine will back up continuously even after the key is released until STOP is pressed again Arrow Keys The arrow keys allow you to move the hoop and manually select the starting position for embroi dery Also used to move through the various operation menus Hoop Center Key Pressing this key centers the chosen ...

Страница 26: ...LT MENU allows you to move through the operation menus in reverse order ALT ENTER enables you to undo your current menu choice and return to the idle mode dis play The Light Emitting Diodes LED Two of the control keys Start and Menu feature a small red LED in the upper left corner The Menu LED will glow to indicate a menu operation in progress The Start LED will glow while the machine is embroider...

Страница 27: ...P is pressed again This operation will stop automatically at the origin end point or next color change Press ò and the display will read RETURN TO ORIGIN Press ENTER and the display will read FRAME FORWARD Press START and the hoop will move to the point of origin for the last design sewn Trace Menu Press MENU until the display reads TRACE MENU then press ENTER The display will read CEN TERING OFF ...

Страница 28: ...is based on the total embroidery area of the EP 1 with the reference point being the lower left corner of that area The total embroidery area is 5 5 wide by 9 4 high so all location measurements are based on that size Reset Menu System Reset Press MENU until the display reads RESET MENU then press ENTER The display will read SYS TEM RESET Press ENTER and the display will read RESET All of the desi...

Страница 29: ...build up in the bobbin case the alarm will sound and the display will read REMOVE THE LOCK Clear the lock Hoop Limits If your selected design is too large for the current hoop there is a chance the hoop will move beneath the needle during embroidering which will damage the needle hoop and possibly the drive mechanism Using the Trace option prior to embroidering eliminates the chance of this occurr...

Страница 30: ...4 6 EP 1 Operation Manual Melco Embroidery Systems ...

Страница 31: ...it back ON When the machine powers up the display will show the new unit number NOTE If the power is turned off before completing this procedure the setting will not be saved Display Brightness The LCD can be set at several different brightness levels 1 With the machine power OFF hold down ALT and the ò key and keep holding it down while you turn the power ON Once the power is on release the key a...

Страница 32: ...ers up the key click volume remains at the new level NOTE If the power is turned off before completing this procedure the setting will not be saved Error Beep Volume Whenever an operation error occurs the EP 1 beeps The volume of this beep can be adjusted to suit your needs 1 With the machine power OFF hold down the ALT and ò keys and keep holding them down while you turn the power ON and the disp...

Страница 33: ...Remove the hook race body cover 5 Remove the rotary hook Clean the interior of the hook race body cover and rotary hook body by using a brush or a soft oily cloth only Remove any dust from the two bobbin thread sensor holes inside the hook race body with a cotton swab NOTE Do not use any cleaning chemicals to remove pieces of threads and dust Assembling the Hook Area 1 Insert the rotary hook body ...

Страница 34: ...u clean the hook assembly Make certain that the needle is in the up position 1 Remove the rotary hook body the same way you would to clean it 2 Wipe the inside of the hook race body and the outside of the rotary hook body with an oil cloth To avoid excessive lubrication use an oil cloth only 3 Reassemble the hook assembly General Lubrication CAUTION Stop the machine before performing any lubricati...

Страница 35: ...tating the flywheel will help move the connecting arm into the correct position Replace the plastic caps when done 8 Open the face cover Referring to Figure 6 9 Detail A place 1 2 drops of oil in the upper oil hole of the main connecting rod each month Rotating the flywheel will help move the connecting rod into the correct position Also place 1 2 drops of oil at the base of the spring each month ...

Страница 36: ...lco one contain er of oil is included with the machine Replacement Parts Fuses There are two operator replaceable fuses 2 spare fuses are included with your machine To replace a fuse follow these steps 1 Turn off the power and disconnect the power cord 2 Directly above where the power cord plugs in is a small plastic cover see Figure 6 11 Use your fingernails to unclip each side of this cover in t...

Страница 37: ... Screwdriver Small Slotted Screwdriver Cleaning brush Scissors Thread Tool ITEM DESCRIPTION 11034 MANUAL OPRTR EP 1 007134 06 THD METALLIC GOLD 007135 01 THD METALLIC SILVER 764121 01 THD RASANT 150 WHITE CONE 353233 01 BOX KIT ACCESS STELLAR 005911 01 HOOP ASSY PREMIER 9X5 011359 01 KIT POLY SOFT 20 CONE 790000 88 POLY SOFT COLOR CHART 763201 01 SOLUFAB 5YD PK 20 MICRON 10121 CARD WARRANTY REGIST...

Страница 38: ...6 6 EP 1 Operation Manual Melco Embroidery Systems ...

Страница 39: ... to threading section Upper bobbin tension Upper bobbin tension too tight Loosen upper bobbin tension Ratio of upper thread to bobbin thread incorrect Adjust upper and or bobbin tension see tension section Incorrect check spring tension stroke Adjust replace check spring refer to the technical manual Fabric and hoops Fabric is hooped loosely Tighten fabric in the hoop see hooping section Inadequat...

Страница 40: ...events the needle from coming out of the fabric smoothly Replace or strengthen the spring refer to the technical manual Thread Thread twist is too tight Use the appropriate thread or consult the service department for suggestions Thread is too elastic to form an adequate loop Check spring The check spring stroke is too high Adjust the check spring stroke refer to the technical manual The check spr...

Страница 41: ...ncorrect Adjust hook timing refer to the technical manual Inadequate rotary hook lubrication Lubricate the rotary hook see the rotary hook lubrication section Design density too tight Decrease density refer to the EDS manual for design editing Gap between UTC retaining tab and hook too wide Adjust gap see the UTC adjustments section ISSUE SOLUTIONS Bird Nesting Thread may be wrapped around the hoo...

Страница 42: ...7 4 EP 1 Operation Manual Melco Embroidery Systems ...

Страница 43: ...Quick Reference Guide for the EP 1 11034 Revision A ...

Страница 44: ...to return to the design ori gin TRACE MENU 1 Press ENTER 2 Use the LEFT or RIGHT arrow keys to turn centering ON or OFF 3 Press DOWN arrow to select TRACE OUTLINE 4 Press ENTER to calculate TRACE AREA 5 Press START to TRACE DESIGN 6 Press ENTER to ready machine for sewing 7 Press START 8 Press START again to begin embroi dering Start up with a Premier Controller 1 Turn on the Premier Controller 2 ...

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