Repair Procedures For Embroidery Machines

A customer complained that her machine was broken,Double check all the connections are solid and true.
but she did not want me to do a cleaning andSometimes they can be deceptively disconnected.
adjusting. All she wanted was a repair. Hmmm. If aOften a firm press can fix a problem. Sometimes a
machine is broke, and all it needs is a cleaning andtouch of solder can repair a loose connection. Even a
minor adjustment to work like new; does that qualifypiece of electrical tape can be useful to protect
as a repair?delicate wiring.
The biggest job in fixing embroidery machines isStatic electricity is a technicians enemy. A single
cleaning and adjusting it. Only occasionally, do youdischarge can ruin a circuit board. Some
have to replace parts. Regardless, when a machine ismanufacturers require elaborate static prevention
fixed, I say it is repaired.measures to protect their circuitry. In the sewing
A true repair leaves a sewing machine or embroiderymachine repair shop, a static free mat is vital. Bernina
machine operating as close to brand new condition asrequires the addition of a wrist band protector.
possible. To achieve this level of performance, all theYou will need special tools to work on certain
debris, gummy stuff, and encrusted gunk must beelectronic parts including non-metallic non-conductive
removed. Then the machine needs to be adjustedprobes, screw drivers, and adjusting tools. These are
back to its original settings. When the machine sewsgenerally available through tool stores and certain
like new, it is truly repaired.specialty items may be purchased through the
When you begin a service, do a complete sewing testembroidery machine manufacturer or their dealer
to find out how the machine is working. Listen. Look.network.
Feel. Find the obvious problems and subtle clues toMore advanced embroidery equipment and sewing
causes. Then after you open up the machine, followmachines will use plug n play components. These are
those clues. Inspect possible causes, and use youreasily removed and replaced.
senses sight, touch, and hearing to track down issues.Diagnosis is an art, but a variety of resources can be
If it isn't broke, don't fix it. When cleaning and adjustinghelpful. An official service manual, an authorized
is all that is needed, just do it. When a part needstechnician specializing in you brand, or the
replacing, do that. While most mechanical replacementsmanufacturers technical support line may offer
seem straight forward; electronics can be a bit moreinvaluable help.
challenging.When you are confident you have found the problem,
Unplug the power cord first. Then the electronicsget a new component. You may have to wait for the
usually wont bite. Circuit boards and electronics can fail,new component a few days, so do not remove the
but with just a bit of caution, you can usually fix them.old one until the new one arrives. Then remove and
Careful inspection of electrical, electronic, and computerreplace the component almost in a single motion. This
parts is essential. Look for burn spots, mis-connections,will make it easier to keep track of all those
pinched or twisted wires. Often a little wiggle or pressconnective wires.
down on a loose connection is all that is really needed.