
Safety Precautions
1.Operating environment
Do not use this control unit in the following environments:
(1)Power supply voltage
Voltage fluctuation will exceed ±10% of the rated
voltage.
Ppower supply capacity cannot be guaranteed in a
location with a specified capacity.
(2)Radio interference
Nearby location with radio wave transmitters, high-
frequency machines generate strong electric and
magnetic fields.
(3)Temperature and Humidity
Room temperature is between 0 °C to 50 °C.
Outdoor or direct sunlight.
Location next to heater
Relative humidity is between 5% and 95% (non-
condensing).
(4)Air
Corrosive or dusty location.
Place where air or oil explosion are likely to occur.
(5)Vibrate
Place where vibration most likely to occur. Control Box
should be place somewhere else without any vibration.
2.Assemble
(1)Control Box
Please follow instruction and install correctly.
(2)Attachment
To install other accessories, turn off the power and
unplug the power cord.
(3)Power Cord
Do not use force to pinch the power cord or
excessively twist the power cord.
Please do not leave the power cord near the rotating
parts, at least 25mm or more.
Before the control box connects to power supply,
please check whether the power supply voltage is
same as voltage indicate on the control box and
exact position. If a power transformer is used, the
same power supply must be checked before it can be
supplied. At this moment, power switch on the sewing
machine should be at [OFF] position.
(4)Ground Wire
In order to prevent electric shock and electric leakage
result electric shock. Grounding wire on the power line
must be grounded.
(5)Accessories
If you need to use electrical accessories, please follow
the instructions.
(6)Disassemble
Before remove control box, please turn of the power
and unplug all power plugs.
While unplug power plug, pelase do not pull the wire.
Please pull the power plug by hands.
High voltage inside control box. Switch off power and
wait for 5 minutes before open control box cover.
3.Maintenance, Inspection and Repair
Repair and maintenance task should be performed by
trained technicians.
When replacing the needle and the bobbing, be sure to
turn off the power.
Please use original parts from supplier
4.Other Safety Issue
Please do not touch any rotate and moving parts while
sewing machine is running. (especially needle and belt
accessories). Hair should not go near the machine to
avoid any unexpected issue.
The control device must not fall to the ground, and it is
not allowed to insert other items into the gap.
Please do not operate with the covers removed.
If the control device is damaged or cannot be operate.
Please have it checked by an experienced technician or
send to repair center. Please do not operate the machine
until defects eliminated.
Please do not modify or change the control unit by
yourself.
5.Disposal
Please dispose with general industrial waste.
6.Warning signs and danger signs
Wrongful behavior may result dangerour.
Please check below description
Please follow the instructions to work.
Pay attention to the danger of high
voltage.
Pay attention to high temperatures.
Be sure to connect the ground wire.
Never do it.
Caveat: Wrong actions can result in serious
injury or death.
Note:
Wrong actions can result in injury or
damage to the house or property.
Symbol with description as below
P2