Why Does My Sewing Machine Run Without Pressing Pedal?

Suppose your sewing machine is running without pressing a pedal. In that case, you may have a problem with the capacitor in your foot pedal. This small electronic component can sometimes go wrong, especially if you have an older sewing machine. If it does go wrong, the motor will not be able to spin unless you press the pedal.

Key Takeaways

If your sewing machine is not running, you can do a few things to troubleshoot the problem. First, check the following:

  • There is a problem with the capacitor in the pedal.
  • The power cord and plug. Are they plugged in? Is there smoke coming out of them? If so, unplug them and see if this resolves your issue.
  • Ensure that the power cord isn’t damaged or frayed at any point along its length; check for any loose wires or frayed insulation (this may also cause smoke).

There Could be a Problem With the Capacitor in Your Foot Pedal

There could be a problem with the capacitor in your foot pedal. The capacitor is an electronic component that stores and releases electricity, like how batteries store energy. You can find it inside your foot speed controller or by connecting it to a power source.

When the capacitor is defective, it can cause the device to malfunction. It may also cause your device to emit a burning smell and smoke.

If you notice an odor or smoke coming from your foot pedal, immediately turn off the power. If they aren’t working correctly or flickering, there may be something wrong with your capacitor.

The Foot Speed Controller Has Burnt

If the foot speed controller has burnt out, your sewing machine will run without pressing the pedal. The foot speed controller is a small black box with a dial on top and can often be found in the upper right corner of your machine.

If you have a burned-out foot speed controller, it will need to be replaced. These are often sold at your local sewing machine store or online retailer.

You can also order them from Amazon if you don’t have any other options. If an odor comes from the pedal of your sewing machine, then there may be something wrong with the capacitor that powers it.

If your sewing machine does not have a foot speed controller, you may be able to replace the capacitor that powers it. The capacitor is usually located near the motor and is a small black box with two wires. When you have returned the capacitor, plug your machine back in and try again.

Remove or Replace the Capacitor in Foot Pedal

Suppose you’ve determined that your sewing machine is running without pressing the foot pedal. In that case, it’s time to remove or replace the capacitor in your machine.

The capacitor is a small component that looks like a black or silver disk. It is located at the top of your sewing machine under the pedal board. Unplug your machine before doing any repairs. Once unplugged, remove all screws from the bottom of your sewing machine and lift off the cover plate.

You will see a black or silver disk on the top of your machine. This is the capacitor. Remove it and replace it with a new one. To do so, simply twist off the old one and replace it with a new one in its place. Reassemble your machine and plug it back in to test if it’s working properly.

Final Words

The best way to diagnose a problem with your sewing machine is by taking the time to watch it operate. You can study how the machine moves and what it’s doing as it goes along. If you notice any abnormalities or strange behavior, it might be time for repair or replacement.

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