8. ELECTRIC MECHANISM
Error status | #2 Error code appears on the display window when the power is turned on. |
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Probable causes |
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| Check/ repair/ adjust | Parts to be replaced | ||||
10. Short circuit in a solenoid or | a. See | Presser | solenoid and | |||||
feed motor (malfunction | of | b. See | main circuit board | |||||
main circuit board) occurs or | c. Power supply circuit board is defective if | Thread | trimming | sole- | ||||
relay on the power supply | the error still appears after replacement | noid and main | circuit | |||||
circuit | board | does | not | of the main circuit board. | board |
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function | when | error | code | d. See | Main circuit board and | |||
| power | supply | circuit | |||||
window. |
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| board |
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([E.F0] |
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11. Abnormal electricity | supply | • Power supply circuit board defective if the | Main circuit board and | |||||
is detected when error code | error still appears after replacement of the | power | supply | circuit | ||||
main circuit board. | board |
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window. |
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([E.F2] |
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12. The model select connector | a. Insert the short pin harness that is | Model select connector | ||||||
is not inserted when error | connected to the encoder harness into |
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code | connector P3 (SELECT) on the main |
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display window. |
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| circuit board. |
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([E.13] |
| b. Check if there is a problem with the |
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| crimping of the short pin harness. |
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Error status | #3 No switches on the operation panel are not activated. |
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Probable causes |
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| Check/ repair/ adjust | Parts to be replaced | ||||
1. Panel PCB defective |
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| • Check that P8 (PANEL) connectors of the | Panel circuit board | ||||
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| main circuit board and P1 (PANEL) | Panel cord |
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| connectors of the panel circuit board are |
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| plugged in. |
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| Panel circuit board | |||
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| • Check that P20 (RSPORT) connectors of |
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| the main circuit board and P5 (DRV) |
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| connectors of the panel circuit board are |
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| plugged in. |
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Error status | #4 If the R/W switch is pressed, the indicator lamp is not lit and an error code appears. |
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Probable causes |
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| Check/ repair/ adjust | Parts to be replaced | ||||
1. With error code [E.40], the | a. Check the connections and pins between | FDD harness |
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cord or the floppy disk drive | connector P1 on the panel PCB and the |
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(FDD) is defective. |
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| FDD, and between connectors CH1 and |
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| CH2 on the panel PCB and the FDD. |
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| b. Replace the floppy disk drive. | Floppy disk drive |
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Error status | #5 After a few seconds after the R/W switch is pressed, an error code appears. |
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Probable causes |
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| Check/ repair/ adjust | Parts to be replaced | ||||
1. With error code [E.40], a | • When a floppy disk is inserted into the | Drive device |
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floppy disk is not inserted. |
| FDD, check the sound of the motor. |
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2. With error code [E.41] or | • When error code [E.40], [E.41], or [E.4F] | Floppy |
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[E.4F], the floppy disk is | appears, insert other floppy disk into the |
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defective. |
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| FDD. |
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| If the FDD reads the floppy disk, the |
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| original disk is defective. |
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3. Panel circuit board defective |
| Panel circuit board | ||||||
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180 |