![](/images/backgrounds/53281/53281-198151x1.png)
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| 8. ELECTRIC MECHANISM |
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| 3. Sewing operation |
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| Problem | Connector No. and position |
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| • The power indicator is not illuminated, and nothing operates. |
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| • Machine operation is unstable. |
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| 3660Q |
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| • The power indicator is not illuminated, and nothing operates. |
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| • Machine operation is unstable. |
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| • The feed mechanism does not operate. |
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| • The work clamp lifter mechanism does not operate. |
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| • Error |
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| • Error |
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| 3661Q |
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| • The machine motor does not run. |
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| • Motor operation is unstable. |
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| • Needle up stop position is not correct. |
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| • Error |
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| • Error |
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| 3662Q |
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| • The machine motor does not run. |
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| • Motor operation is unstable. |
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| • Needle up stop position is not correct. |
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| • Error |
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| • Error |
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| 3663Q |
| • The machine motor does not run. |
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| • Motor operation is unstable. |
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| • Needle up stop position is not correct. |
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| • Error |
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| • Error |
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| 3664Q |
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| • The machine motor does not run. |
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| • Motor operation is unstable. |
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| • Needle up stop position is not correct. |
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| • Error |
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| • Error |
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| 3665Q |
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144 |