Janome JUNO E1030 - Upper Shaft Positioning Sensor; Zigzag Motor and Feed Motor

20
CORRECT CONDITION
STEP AND
ITEMS TO
CHECK
05)
UPPER SHAFT
POSITIONING
SENSOR
PROCEDURE DEFECTIVE CONDITION
Turnthehandwheeltowardyou.
Lowertheneedlebartoitslowest
position(zigzagphase).
Presstheneedleup/downbutton.
Raisetheneedlebarfromits
lowestpositiontoitshighest
position(feedphase).
Presstheneedleup/downbutton.
Iftheresultiscorrectcondition,
pressthe
MODEkey toproceed
thenextstep.
Iftheresultisdefectivecondition,
pressthereversestitchbuttonto
proceedthenextstep.
Zigzagmotordoesnotget
defaultposition.
Buzzer does not sound.
–REMEDY–
Replacethezigzagmotor.
ReplacethecircuitboardA.
Feedmotordoesnotget
defaultposition.
Buzzerdoesnotsound.
–REMEDY–
Replacethezigzagwidth
motor.
Replacethefeedmotor.
ReplacethecircuitboardA.
Buzzerdoesnotsound.
Stitchwidthorlength
symboldoesnotappear.
–REMEDY–
ReplacethecircuitboardA.
06)
ZIGZAG
MOTOR
(STEP MOTOR)
AND
FEED MOTOR
LEDdisplays“5”.
Turnthehandwheel.
LEDdisplaysthetopbarsymbol
whentheneedlebarisatzigzag
phase.
Presstheneedleup/downbutton
whenLEDdisplaystopbarsymbol.
TheZigzagmotorwillbeinitialized
andgetitsdefaultposition.
Presstheneedleup/downbutton
LEDdisplays“6”
SELF-DIAGNOSTIC TEST
Turnthehandwheeltowardyou.
Lowertheneedlebarfromits
highesttolowestposition.
Raisetheneedlebarfromits
lowestpositiontohighest
position.
Iftheresultiscorrectcondition,
pressthe MODEkey toproceed
thenextstep.
Iftheresultisdefectivecondition,
pressthereversestitchbuttonto
proceedthenextstep.
Topbar
symbol
Topbar
symbol
Bottom
bar
symbol
Bottom
bar
symbol
LEDdisplaysneedlelowest
positionsymbolwhentheneedlebar
isatfeedphase.
whenLEDdisplaysbottombar
symbol.
Thefeedmotorwillbeinitializedand
getitsdefaultposition.