Janome MB-4 manual Troubleshooting

Page 85

Troubleshooting

Problem		Cause	Reference

The fabric puckers.	1.	The needle thread tension is too tight.	See pages 30.
	2.	The fabric is not stretched tight enough in the	See page 22.
		hoop.	See page 22.
	3. A stabilizer is not used.		See page 15.

The LCD screen is not clear.	1.	The brightness of the LCD screen is not	See pages 24, 61.
		adjusted properly.	See pages 24, 61.

The touch panel keys do not	1.	The key position is out of alignment.	See page 62.
work correctly.	2.	The control system does not work correctly.	Turn the power off and
			turn it on again.

The PC card or USB	1.	The PC card or USB memory is not inserted	See pages 73, 74.
memory does not work.		properly.	See pages 73, 74.
	2.	The memory bank of teh PC card or USB	See pages 58, 64.
		memory is damaged.	See pages 58, 64.
Communication with the PC	1. The USB cable is not connected properly.		See page 14.
does not work.	2.	The existing machine ID number is used.	See pages 57, 63.

The thread barkage warning	1.	The thread detector sensitivity is too sensitive.	See pages 59, 68.
appears though the thread			See pages 59, 68.
appears though the thread
is not broken.

NOTE:

It is not abnormal that a slight humming sound is comming from the internal motors when the machine stands still.

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Image 85

Contents Instruction Book Important Safety Instructions Grounding Instructions Table of Contents Installing the Machine Setting UP the MachineRemoving the Head Stoppers Adjusting the feetPage Names of Parts RCS unit optional item Sub control panelOptional RCS unit Standard AccessoriesStandard Accessories Assembling the Spool Stand Setting the thread cone Setting the Thread Cones or Spools of ThreadSetting the spool of thread Installing the Hoop Supporter Installing the RCS Unit optional item Grounding Instructions Connecting the Power SupplyDirect PC-Link Needles Bobbin ThreadsStabilizers Winding the Bobbin Inserting the bobbin Removing the bobbin caseInserting the bobbin case Threading needle No.1 Threading the Needle⁄22 Threading the needle with the needle threader Setting the Fabric in the Embroidery Hoop Adjusting the Hoop Supporter for Optional Hoops Setting the Embroidery HoopLCD brightness adjusting dial Mode buttonMachine operating buttons Start/Stop buttonLCD screen Y uStitch count setting Machine SettingsColor section layer setting Needle bar number settingStarting to Embroider N1253 N2224HM1 ? M1 02010 02/13 Removing the Hoop Adjusting the needle thread tension Adjusting the Thread TensionAdjusting the bobbin thread tension Tension is too tightChecking the needle Replacing the NeedleReplacing the needle Basic Operation of the Optional RCS Unit Menu key Function keysFile open key SET keyOn-screen Help Movie Disconnecting the RCS Unit Selecting the Embroidery Patterns Advanced Operation with the Optional RCS UnitSelecting the built-in designs Color list option Function keys circle keysAutomatic color assignment Manual color assignment Monogramming Lettering orientation Function keys Font selectionLetter size Letter caseSaving the monogram Entering the charactersTo insert a character Correcting the text To delete a characterHorizontal orientation Placement of monogrammingVertical orientation Multi-color monogramming Editing Selecting the hoop Editing FunctionsMoving the pattern Resizing the patternDeleting the pattern Rotating the patternSaving the file Flipping the pattern Duplicating the patternMonogramming in an arc To customize the colors of the pattern image Customizing the color settingCombining the Patterns and Lettering ⁄2 Edit Bright Blue Trac Outline M2126X110mm Eco mode setting Customizing the Setting with the Sub Control PanelBuzzer sound control Machine ID numberFormatting the memory Resetting all to defaultsMaximum sewing speed Thread selectionSetting the thread detector sensitivity Setting the trim tail lengthReminder message ON/OFF Ignoring short stitchesJump thread trimming threshold Jump thread trimming ON/OFFLCD brightness adjustment Customizing the Settings with the Optional RCS UnitInch/mm option Touch screen calibration Screen saverMachine ID and name Yes ⁄2Maximum sewing speed ⁄1Grid size⁄3Hoop selection for monogramming ⁄5Screen color options ⁄4Selecting the thread brand⁄7Reserving the color for the needle bar ⁄6Reminder message ON/OFF⁄8Ignoring short stitches ¤0Setting the thread detector sensitivity ⁄9Setting the trim tail length¤2Setting the number of jumps for trimming ¤1Jump thread trimming ON/OFF¤3Language selection Saving the Pattern as a File File ManagementCreating a new folder Opening a file Deleting the file Deleting the folderInserting the PC Design card PC Design CardsEjecting the PC Design card Opening the embroidery pattern from the PC Design cardOpening the embroidery pattern from the USB memory USB MemoryOpening the embroidery pattern from the CD-ROM CD-ROM DriveCleaning the Bobbin Case Cleaning the HookCleaning the Auto Thread Cutter Mechanism Oiling Audible Signals Error MessagesAudible signal Buzzer sounds when Problem Cause Reference TroubleshootingTroubleshooting