Precautions For Use - Mitsubishi Electric PLK-J-CU-20 Technical Manual

Warning
1. Do not place foot on the foot switch when turning the power
ON.
3. Do not inspect the control circuit with a tester.
The tester voltage could be applied on the semiconductor
parts, and cause damage.
5. Always ground the grounding wire.
Always ground the provided grounding wire
(green(green/yellow)).
7. A high voltage is applied inside creating a hazardous state,
so always turn the power OFF and wait ten minutes before
opening the cover.

[2] Precautions for use

Control circuit
Power supply
Green
(Green/yellow)
High voltage risk
2. Always turn the power OFF when leaving the sewing
machine.
4. Always turn the power switch OFF before tilting the sewing
machine head, replacing the needle, or passing thread
through the needle.
6. Do not use excessive wiring.
8. Radiation fins and other parts may be hot. Do not touch the
parts.
[2] ‐ 1