Janome J30 - Self-Diagnostic Test

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TO ENTER SELF-DIAGNOSTIC MODE:
Preparation:
 1.Turnthepowerswitchoff.
 2.Movethebobbinwinderspindletotheleft.
 3.Raisethefeeddog.
 4.Setthespeedcontrollevertotheleft.
 5.Removethepresserfootandraisethepresserfootlifter.
 6.Turnthehandwheeltowardyoutoraisetheneedletoitshighestposition.
NOTE:
 •Becareful:thesewingmachinemaystartrunninginitsownwhileintestmode.
 •Turnoffthepowerswitchbeforereplacinganyparts.
 •Repeatthediagnostictestuntiltheproblemhasbeenresolved.
 •Youcanskipstepsinthediagnosticprocedureandgodirectlytothetestyouwanttoperform.
 (Enterself-diagnosticmode,thenselectthestepnumberofthediagnostictestyourequirebypressing
the  
start/stopbutton .)
To begin:
 Turnontheswitch.Ifanyofthefollowingproblemsoccur,taketherecommendedactionsintheorderthey
 areshown.
1.Themachinedoesnotrespondwhenthepowerswitchisturnedon:
 •Checkeachconnectorconnection
 •Replacethemachinesocket
 •Replacetheswitchingregulator
 •ReplacetheprintedcircuitboardA
2.Thesewingmachinelampdoesnotlightup:
 •Replacethelightbulb
 •ReplacetheprintedcircuitboardA
SELF-DIAGNOSTIC TEST
1. Turnthepowerswitchonwhile
  simultaneouslypressingauto-lock
  buttonandneedleup/downbutton.
2. TheLCDdisplay
  willindicate“01”.
3. Pressthe start/stop
button to enterthe
  self-diagnosticmode.