- 3 -
Caution
1. Please remove your foot from the pedal when turning the power ON.
2. Always turn the power OFF when leaving the machine.
3. Do not inspect the control circuit with a tester.
4. Always turn the power switch OFF before tilting the sewing machine, replace the needle or threading the needle.
5. Always ground the grounding wire.
6. Do not use branched wiring.
7. The brakes may not function when the power is turned OFF or when there is a power failure during sewing machine
operation.
8. Match the connector shape and direction, and insert securely.
9. Keep the signal wire as short as possible when connecting the external switch to the connector of control box. If it is
long, malfunctions may occur. Use a shield wire when possible.
10. Install the sewing machine away from sources of strong noise such as high-frequency welders.
11. An optical method is used for the detector's detection element so take care not to let dust or oils get on the
detection plate when removing the cover for adjustment, etc. If these do get on the plate, wipe off with a soft cloth
and do not scratch the plate. Take care not to let oils enter between the detector discs.
12. When the position detector connector or the belt has come off or when the sewing machine is completely locked,
the motor will be automatically turned OFF after a set time to prevent damage to the motor. (The motor may not turn
OFF if the locking is not complete.) After the problem has been resolved, turn the power OFF and ON and normal
operation will be possible. The same operation should be taken when the position detector or wires are broken.
13. Always turn off the power switch before connecting or disconnecting each connector
14. A high voltage is applied inside the machine, so wait
at least 10 minutes after turning the power OFF
before opening the control box. There is a cable
connecting the PCB on the cover side with the PCB
on the box side. When disconnecting the cable,
gently disconnect at the connector section. Do not
pull with force.
16. If the fuse blows, remove the cause, and replace the blown fuse with one having the same capacity.
(Front view of cover side PCB with control box cover removed.)
(Front view of box side PCB with control box cover removed.)
15. Remove the dust that has adhered on the motor's
dust-proof filter once every two to three weeks.
Dust-proof filter
If the motor is run while the
filter is clogged, the motor
may overheat and affect
the motor life.
3 Points of Caution
lways wait at least 10 minutes after
turning the power switch OFF before
opening the control box cover.
2.5A Fuse
Two 20A Fuses
* The above 2.5A fuse is for
protection of the 12V power
supply section.
* The above fuses are for
protection of the control box
power supply section.
High voltage warning
Control box cover side
Control box side
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