Computer sewing machine does not hit the needle how the matter
To make the belt slippery, resulting in the position of the needle is not allowed to stop, serious time, ready to stop when the cut line, the needle should be in the next stop position, the needle can be above the needle board (set the next stop position,
In fact, under normal circumstances the use of the knife and set the knife is not so easy to blunt, according to the technician observation, the new machine cut 80% of the reason is because the belt is too loose, or motor wheels, hand wheel wrapped around the line,
As long as you hear the cut line, and soon will think of a knife blunt, for a knife or cut off the line, would think is not tangent cam position to go, adjustable to transfer is to find out the problem.
Cement resistance resistance of small circuit board vulnerable to high current impact caused by damage, the resistance is too large circuit board, boot slow
First, in the case of determining the power outlet is inserted, check the power switch is in good contact, the power board fuse is not blown, if the above two are good, that is, the power board 15W / 20Ω cement resistance
