11. ELECTRICAL MECHANISM

11-3.Description of fuses

11-3-1. Power supply P.C. board (fuses and fuse resistors)

When replacing the fuses and fuse resistors, be sure to use the parts specified below.

If the components on the P.C. boards are damaged, the fuses may blow again soon even after they have been replaced.

 

No.

Part name

Parts code

Symptom when fuse blows

 

 

200 V

Fuse 10A

J 04417-001

Power does not turn on and red LED (1) on

F1,

 

system

(Glass tube fuse 10A-250V)

power supply P.C. board does not illuminate.

 

 

 

 

 

 

 

F2

 

100 V

Fuse 20A

J 02585-001

Power does not turn on and red LED (1) on

 

 

system

(Glass tube fuse 20A-250V)

power supply P.C. board does not illuminate.

 

 

 

 

 

 

 

 

 

 

F3

Fuse 5A

J 04418-001

Needle zigzag motor does not operate and

 

(Glass tube fuse 5A-250V)

[Err 200] is displayed.

 

 

 

 

 

R70

Fuse resistor 1/2W 0.47Ω

J 04415-001

Needle zigzag motor does not operate and

 

[Err 200] is displayed.

 

 

 

 

 

 

R73

Fuse resistor 1/2W 0.22Ω

J 02754-001

Needle zigzag motor does not operate and

 

[Err 200] is displayed.

 

 

 

 

 

R1, R2, R3

Fuse resistor 1/4W 0.47Ω

J 04482-001

Sewing machine motor does not operate and

[Err 130] is displayed.

 

 

 

 

 

 

R4

Fuse resistor 1/2W 0.47Ω

J 04415-001

Sewing machine motor does not operate and

 

[Err 130] is displayed.

 

 

 

 

 

*The diagram of the power supply P.C. board shown below is for the 200 V systems. The power supply P.C. board for 100 V systems are the same as the one for 200 V systems except for the section indicated in the diagram.

100Ｖ

0161B

Z-8550A, 8560A

90