11. ELECTRICAL MECHANISM
| Problem No. 4, 5, 6, 7 | Needle bar does not move to the home position and an error code is displayed when the | ||
power switch is turned on. |
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Cause |
| Inspection/Remedy/Adjustment | Replacement if a malfunction |
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1. When [Err 200] is displayed: | Check that connector P3 (ENC) is inserted into | Encoder P.C. board in needle | |
• Needle zigzag motor cannot | the main P.C. board. | zigzag motor | |
move to home position |
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•Encoder cord of needle zigzag motor is not connected.
2. When [Err 201] is displayed: | 1) Check if there is too much or too little | - | |
Problem with needle zigzag motor | needle zigzag sliding resistance. (Check if |
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or problem with sliding resistance | there is variation in the load.) |
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| 2) Adjust the sliding resistance within the |
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| range of 1.2 kgf to 1.5 kgf. |
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3. When [Err 202] is displayed: | Check the home position adjustment. | - | |
Problem with home position |
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adjustment data for needle zigzag |
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motor |
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4. When [Err 711] is displayed: | (Replace the part(s) indicated at right.) | PMD P.C. board | |
Abnormal current detected in needle |
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zigzag motor |
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| Problem No. 8, 9 | Sewing machine motor does not operate and an error code is displayed when treadle is | ||
depressed forward. |
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Cause |
| Inspection/Remedy/Adjustment | Replacement if a malfunction |
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1. When [Err 50] is displayed: | Adjust the operation of the safety switch. | - | |
Sewing machine safety switch | (Check the gap between the sewing machine |
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operation detected |
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2. When [Err 130] is displayed: | Check that the sewing machine motor cord is | Power supply P.C. board or | |
Sewing machine motor does not | inserted into the side of the control box. | main P.C. board | |
operate |
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Problem No. 10 | Sewing machine motor operates but an error code is displayed when the treadle is depressed | ||
forward. |
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Cause |
| Inspection/Remedy/Adjustment | Replacement if a malfunction |
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When [Err 132] is displayed: | (Replace the part(s) indicated at right.) | Motor or encoder P.C. board | |
Problem with A phase encoder signal |
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of sewing machine motor |
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99 |