Stitch Length - Janome 8050 Service Manual

Step and
itemS to
check
05)
not
applicable
for thiS
model
tUrn the handwheel toward
06)
yoU.
Upper
lower the needle bar from
Shaft
itS higheSt to itS loweSt
poSitioning
poSition.
SenSor
raiSe the needle bar from
itS loweSt poSition to itS
higheSt poSition.
if the reSUlt iS correct
condition, preSS the Start/
Stop bUtton to proceed the
next Step.
if the reSUlt iS defective
condition, preSS the reverSe
Stitch bUtton to proceed the
next Step.
tUrn the handwheel toward
07)
yoU.
zigzag
lower the needle bar from
motor
itS higheSt to itS loweSt
(Step
poSition.
motor)
raiSe the needle bar from
itS loweSt poSition to itS
feed
higheSt poSition.
motor
if the reSUlt iS correct
condition, preSS the Start/
Stop bUtton to proceed the
next Step.
if the reSUlt iS defective
condition, preSS the reverSe
Stitch bUtton to proceed the
next Step.
self-diagnostiC test
procedUre correct condition
lcd diSplayS "Sc 06".
tUrn the handwheel.
lcd diSplayS Stitch width Sym-
bol when the needle bar iS at
zigzag phaSe.
Stitch
width
Symbol
lcd diSplayS Stitch length Sym-
bol when the needle bar iS at
feed phaSe.
Stitch
length
Symbol
lcd diSplayS "Sc 07".
lcd diSplayS Stitch width Sym-
bol when the needle bar iS at
middle poSition. (zigzag motor
get defaUlt poSition.)
Stitch
width
Symbol
lcd diSplayS Stitch length
Symbol when feed motor getS
defaUlt poSition.
Stitch
length
Symbol
20
defective condition
bUzzer doeS not SoUnd.
Stitch width or length Sym-
bol doeS not appear.
–Remedy–
replace the circUit board a.
replace the circUit board p.
zigzag motor doeS not get
defaUlt poSition.
–Remedy–
replace the zigzag motor.
replace the circUit board a.
feed motor doeS not get
defaUlt poSition.
–Remedy–
replace the feed motor.
replace the circUit board a.