14. TROUBLESHOOTING
| Problem |
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| Possible cause | Page |
12 | Incorrect thread trimming | • | Is the fixed knife or movable knife damaged or worn? | Instruction | |
| (8560A) |
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| Replace the fixed knife or the movable knife. | manual |
| (Upper and lower threads | • | Is the thread trimming timing incorrect? |
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| are both not being |
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| Adjust the rotating direction of the thread trimming cam. | 82 |
| trimmed) |
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13 | Incorrect thread trimming | • | Is the needle properly installed? | Instruction | |
| (8560A) |
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| If it is incorrect, install the needle correctly. | manual |
| (Upper thread or lower |
| • | Is the fixed knife or movable knife blunt? | Instruction |
| thread is not being |
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| Replace the fixed knife or the movable knife. | manual |
| trimmed) |
| • | Do skipped stitches occur during sewing? | 110 |
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| Refer to “Skipped stitches during sewing”. | |
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14 | The thread wiper does not | • | Is the length of thread trailing from the needle hole too long after |
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| wipe the thread. (8560A) |
| thread trimming? | 84 | |
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| Adjust the upper thread feeding device. | |
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15 | Oil gauge (1) is not visible | • | Is the oil tank empty? |
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| in oil gauge window. |
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| Fill the oil tank with oil. | Instruction |
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| manual |
| 2195M |
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16 | Machine does not operate | • | Is the sewing speed setting or backtack speed setting incorrect? |
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| at high speed. |
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| Use the sewing speed control keys to set the high speed. | Instruction |
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| manual |
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17 | Machine stops during |
| • | Is the fixed stitch key turned on? (8560A) |
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| sewing. |
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| Press the fixed stitch key so that the indicator turns off. | Instruction |
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| • | Is the power supply voltage too low? | manual |
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| Check the power supply. |
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| (If the power cord is too long or too many appliances are being |
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| run from a single outlet, this may cause voltage drops which will |
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| in turn cause the reset function to activate and stop the |
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| machine, even if the power supply itself is normal.) |
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18 | Nothing appears on | the | • | Is the operation panel |
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| operation panel display. |
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| connector 8P inside the control |
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| box disconnected? |
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| Insert the connector securely. | Instruction |
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| manual |
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| 3558M |
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19 | “GrEASEUP” flashes | on | • | This display is to notify you that it is time to apply grease. |
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| the operation panel when |
| Apply grease. | 85 | |
| the power is turned on. |
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113 |