Singer S900 INSPIRATION Instruction Manual - Page 98

Performance Checklist

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6. PERFORMANCE CHECKLIST GENERAL PROBLEMS Machine does not sew. * Power switch is turned off.- Turn on the switch. * Buttonhole lever is not raised when sewing stitch patterns.  ±5DLVHEXWWRQKROHOHYHU * Buttonhole lever is not lowered when sewing buttonhole.  ±/RZHUEXWWRQKROHOHYHU %REELQZLQGHULVHQJDJHG±'LVHQJDJHEREELQZLQGHU VHH SDJH  Machine jams/knocks. * Thread is caught in hook.-&OHDQKRRN VHHSDJH Needle is damaged.-5HSODFHQHHGOH VHHSDJH  Fabric does not move. * Presser foot is not lowered - Lower presser foot. 6WLWFKOHQJWKLVWRRVKRUW/HQJWKHQVWLWFKOHQJWK STITCHING PROBLEMS Machine skips stitches. 1HHGOHLVQRWDOOWKHZD\XSLQWRQHHGOHFODPS VHHSDJH Needle is bent or blunt. -5HSODFHQHHGOH VHHSDJH 0DFKLQHLVQRWWKUHDGHGFRUUHFWO\ VHHSDJH Thread is caught in hook. -&OHDQKRRN VHHSDJH  6WLWFKHVDUHLUUHJXODU 1HHGOHVL]HLVQRWFRUUHFWIRUWKUHDGDQGIDEULF VHHSDJH 0DFKLQHLVQRWWKUHDGHGFRUUHFWO\ VHHSDJH 7RSWKUHDGWHQVLRQLVWRRORRVH VHHSDJH Fabric is being pulled or pushed against machine feeding action. -*XLGHLWJHQWO\ * Bobbin has not been wound evenly. - Rewind bobbin. Needle breaks. * Fabric is being pulled or pushed against machine feeding action. -*XLGHLWJHQWO\ 1HHGOHVL]HLVQRWFRUUHFWIRUWKUHDGDQGIDEULF VHHSDJH 1HHGOHLVQRWDOOWKHZD\XSLQWRWKHQHHGOHFODPS VHHSDJH 7ZLQQHHGOHLVEHLQJXVHGEXWVWLWFKZLGWKLVVHWWRRZLGH VHH SDJH Too much thread appears on the underside of stitching. 8SSHUWKUHDGQRWFRUUHFWO\WKUHDG VHHSDJH  THREAD PROBLEMS Thread bunches. * Top and bobbin threads are not drawn back under presser foot before starting seam. -'UDZERWKWKUHDGVEDFNXQGHU SUHVVHUIRRWDERXWLQFKHV FP DQGKROGXQWLODIHZ stitches are formed. Needle thread breaks. 0DFKLQHLVQRWWKUHDGHGFRUUHFWO\ VHHSDJH 7RSWKUHDGWHQVLRQLVWRRWLJKW VHHSDJH Needle is bent. -5HSODFHQHHGOH VHHSDJH 1HHGOHVL]HLVQRWFRUUHFWIRUWKUHDGDQGIDEULF VHHSDJH Bobbin thread breaks. %REELQFDVHLVQRWWKUHDGHGFRUUHFWO\ VHHSDJH Lint accumulates in bobbin case or hook. - Remove lint  VHHSDJH  Fabric puckers. * Top thread tension is too tight. -$GMXVWWKUHDGWHQVLRQ  VHHSDJH 6WLWFKOHQJWKLVWRRORQJIRUVKHHURUVRIWIDEULF-6KRUWHQ stitch length. 96

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96
GENERAL PROBLEMS
Machine does not sew.
* Power switch is turned off.
-
Turn on the switch.
* Buttonhole lever is not raised when sewing stitch patterns.
Í 5DLVH EXWWRQKROH OHYHU²
* Buttonhole lever is not lowered when sewing buttonhole.
Í /RZHU EXWWRQKROH OHYHU²
Ï %REELQ ZLQGHU LV HQJDJHG² Í 'LVHQJDJH EREELQ ZLQGHU ´VHH
SDJH ¾¶ ¹ ¾Á¸²
Machine jams/knocks.
* Thread is caught in hook.
-
&OHDQ KRRN ´VHH SDJH º¾ ¹ ºÈ¸²
* Needle is damaged.
-
5HSODFH QHHGOH ´VHH SDJH ȶ ¹ ÈÁ¸²
Fabric does not move.
* Presser foot is not lowered
-
Lower presser foot.
Ï 6WLWFK OHQJWK LV WRR VKRUW ¹ /HQJWKHQ VWLWFK OHQJWK²
STITCHING PROBLEMS
Machine skips stitches.
Ï 1HHGOH LV QRW DOO WKH ZD\ XS LQWR QHHGOH FODPS ´VHH SDJH
ȶ ¹ ÈÁ¸²
* Needle is bent or blunt.
-
5HSODFH QHHGOH ´VHH SDJH
ȶ ¹ ÈÁ¸²
Ï 0DFKLQH LV QRW WKUHDGHG FRUUHFWO\ ´VHH SDJH ¾Â ¹ ¾»¸²
* Thread is caught in hook.
-
&OHDQ KRRN ´VHH SDJH º¾ ¹ ºÈ¸²
6WLWFKHV DUH LUUHJXODU²
Ï 1HHGOH VL]H LV QRW FRUUHFW IRU WKUHDG DQG IDEULF ´VHH SDJH
ȶ ¹ ÈÁ¸²
Ï 0DFKLQH LV QRW WKUHDGHG FRUUHFWO\ ´VHH SDJH ¾Â ¹ ¾»¸²
Ï 7RS WKUHDG WHQVLRQ LV WRR ORRVH ´VHH SDJH Ⱦ ¹ Èȸ²
* Fabric is being pulled or pushed against machine feeding
action.
-
*XLGH LW JHQWO\²
* Bobbin has not been wound evenly.
-
Rewind bobbin.
Needle breaks.
* Fabric is being pulled or pushed against machine feeding
action.
-
*XLGH LW JHQWO\²
Ï 1HHGOH VL]H LV QRW FRUUHFW IRU WKUHDG DQG IDEULF ´VHH SDJH
ȶ ¹ ÈÁ¸²
Ï 1HHGOH LV QRW DOO WKH ZD\ XS LQWR WKH QHHGOH FODPS ´VHH SDJH
ȶ ¹ ÈÁ¸²
Ï 7ZLQ QHHGOH LV EHLQJ XVHG EXW VWLWFK ZLGWK LV VHW WRR ZLGH ´VHH
SDJH ºÂ ¹ º»¸²
* Too much thread appears on the underside of stitching.
Ï 8SSHU WKUHDG QRW FRUUHFWO\ WKUHDG ´VHH SDJH ¾Â ¹ ¾»¸²
THREAD PROBLEMS
Thread bunches.
* Top and bobbin threads are not drawn back under presser
foot before starting seam.
-
'UDZ ERWK WKUHDGV EDFN XQGHU
SUHVVHU IRRW DERXW É LQFKHV ´Á¶ FP¸ DQG KROG XQWLO D IHZ
stitches are formed.
Needle thread breaks.
Ï 0DFKLQH LV QRW WKUHDGHG FRUUHFWO\ ´VHH SDJH ¾Â ¹ ¾»¸²
Ï 7RS WKUHDG WHQVLRQ LV WRR WLJKW ´VHH SDJH Ⱦ ¹ Èȸ²
* Needle is bent.
-
5HSODFH QHHGOH ´VHH SDJH ȶ ¹ ÈÁ¸²
Ï 1HHGOH VL]H LV QRW FRUUHFW IRU WKUHDG DQG IDEULF ´VHH SDJH
ȶ ¹ ÈÁ¸²
Bobbin thread breaks.
Ï %REELQ FDVH LV QRW WKUHDGHG FRUUHFWO\ ´VHH SDJH ¾¾ ¹ ¾È¸²
* Lint accumulates in bobbin case or hook.
-
Remove lint
´VHH SDJH º¾ ¹ ºÈ¸²
Fabric puckers.
* Top thread tension is too tight.
-
$GMXVW WKUHDG WHQVLRQ
´VHH SDJH Ⱦ ¹ Èȸ²
Ï 6WLWFK OHQJWK LV WRR ORQJ IRU VKHHU RU VRIW IDEULF²
-
6KRUWHQ
stitch length.
6. PERFORMANCE CHECKLIST