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| 8. TROUBLESHOOTING | ||
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| Error code | Possible cause | Page |
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| E150 | ・ This is displayed when the motor becomes abnormally hot and the temperature |
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| protection has activated. |
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| Motor is |
| After the temperature has dropped, turn on the power switch and operate the |
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| overheating. | sewing machine as normal. |
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| E151 | ・ The connection of the |
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| Turn off the power switch, and then check the connection of the |
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| Problem with | connector. |
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| motor |
| ・ Problem with motor or main PCB. |
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| overheating | Replace the motor or the control box. | ** |
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| sensor. |
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| E161 | ・ This is displayed when a motor overload operation has occurred. |
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| Turn off the power switch, and then turn the pulley by hand and check that it |
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| Motor | overload | turns easily. |
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| protection | ・ Problem with motor. |
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| Replace the motor. |
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| E190 | ・ This appears on the display when the sewing machine has been operating |
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| continuously for 3 minutes or more. |
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| Motor timeout. | Turn the power switch off and then back on again, and then operate the sewing |
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| machine normally. |
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| E191 | ・ This is displayed if the sewing machine motor locks during thread trimming. |
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| Remove any thread scraps that may be blocking the motor. | * |
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| Thread | trimming | Check that there are no problems with the thread trimming mechanism. | ** |
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| solenoid timeout. |
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| E410 | ・ Is the |
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| Turn off the power switch, and then check the connection of the |
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| Error |
| panel connector. | 7* |
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| communicating |
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| with operation |
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| panel. |
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| E440 | ・ Problem with main PCB. |
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| Replace the control box. | ** |
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| Error writing data |
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| to main PCB. |
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| E441 | ・ Problem with main PCB. |
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| Replace the control box. | ** |
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| Error reading data |
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| from main PCB. |
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| E442 | Turn the power off and then back on again. |
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| ・ The data on the main PCB is corrupted. Corrupt data was initalized. |
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| Problem with data |
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| on main PCB. |
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| E451 | ・ Data could not be correctly written to the panel when adjusting the needle up stop |
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| position. |
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| Error writing data | Repeat the write operation. |
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| to head detector | ・ Alternatively, turn the power off and then back on again to reset the machine. |
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| unit. |
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40 |