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The machine had a serious jam, jam cleared now the motor runs very slow

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The jam probably caused the motor to starin at turning, which would cause it to heat up, and the insulation in the winding partly melted, shorting out a winding or two, which makes the motor run slower. Eventually, the winding will 'melt-down', and the motor will not work at all. Smoke, a burnt smell, and possibly a tripped circuit breaker will be the best indication this is happening, or about to happen.

Posted on Feb 03, 2010

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Posted on Jan 02, 2017

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Machine sewing too slow,


Sewing to slow
the leading causes of a sewing machine running too slow are the following: "Thread jam, Incorrect oil or lubricant used, Not lubricated correctly, Machine unused for long time - Gummed up, Belt too tight or too loose, Machine needs thorough cleaning, Worn or bent parts."
Unplug the machine. Look for thread wrapped around the motor shafts or any other motor or bobbin part. Use tweezers to lift thread to snip with scissors. Use tweezers to pull the thread away from the machine parts. Plug in the machine and test.
Unplug the Singer machine. Remove the bobbin and insert a newly wound bobbin. Blow the dust from the bobbin area. Use tweezers to pull out any thread pieces in the bobbin area gears. Plug in machine and test
How often you will need to clean and lubricate the machine will depend on how often you will use it. When in regular use, the machine should be cleaned periodically to remove lint and fluff which may have accumulated around the working parts."
could also be either the motor or the foot control.
May also need to be serviced.

Mar 19, 2016 | Sewing Machines

Tip

Error Code & in washing machines..


Error 7 means - “Motor jammed / Drum shaft jammed / Tacho generator fault”

Motor jammed

The first possible fault could be if the motor is trying to turn but the motor is physically jammed. This is likely to be rare. It’s easily tested by opening the door on the washing machine and spinning the drum by hand. If it moves normally and freely it’s clearly not jammed and this is not the fault.

If it is jammed or very stiff then making sure the machine is disconnected from the mains supply you can just take off the drive belt. You can then see if the motor is jammed or not because the shaft where the belt fits wouldn’t be able to be turned by hand.

Drum shaft jammed

This would cause the exact same problem in that the motor is trying to turn but because the drum was jammed it couldn’t. Again, easily tested by turning the drum by hand – if it’s free then it isn’t the fault. If it’s jammed or very stiff, removing the belt will let you determine whether it’s the motor or the drum that’s jammed.

Tacho generator fault

The way a washing machine detects the speed of the motor is via the tacho coil which is the last potential fault listed.

The tacho coil is on the outside of the motor attached to the end opposite the drive belt with 2 thin wires running from it. It’s a small coil that surrounds the shaft of the main armature where a small round magnet is attached. As the armature turns the magnet on the end of the shaft turns inside the coil. It’s then easy for the pcb to count each revolution of the small magnet and work out how many revolutions per minute it is turning.

on Mar 17, 2010 | Washing Machines

2 Answers

Machine running very slow . Does it need serviced ?? Is it machine problem or foot pedal problem ?


take it in for a service as slow machines can be from thread and fluff jamming the shafts , foot control or motor problems

Nov 21, 2015 | Janome Memorycraft 6500P Computerized...

1 Answer

Ice maker has stopped making ice...the line is clear


Either the motor is burned out or there is something jammed in the mechanism...check for jammed objects in the linkages and gears. If nothing is there, replace the motor drive.

Jan 12, 2013 | Refrigerators

1 Answer

Is there a way to slow down the motor on a Tacsew blindhemmer machie


try adjusting the foot pedal, there are jam nuts under the foot pedal
to make it go slower or faster.

Sep 27, 2012 | Tacsew T500

1 Answer

I have a frigidare dryer 5-6 years old. Recently, started smelling like something electrical is burning. If I hold down the start button the motor will turn the drum slowly and the burning smell returns....


Check for vent blockages! Overheating may be a serious issue and fire hazzard. A slow moving drum could mean a bad traction belt, jammed mechanical part or the motor is not spinning at a proper RPM which may indicate motor damage also. The electrical burning is a serious issue also and a fire hazzard. Dryers need periodical cleaning to remove excess lint, dust and debris. Lack of cleaning causes the dryer to work harder and run hotter. Excessive heat shortens the life of many parts such as belts, bearings, electronics, wiring, etc...

Sep 21, 2012 | Dryers

1 Answer

F3 ERROR CODES


This code indicates a fault with the paper tray lift-up motor. F3-12 = tray 1, F3-22 = tray 2 etc. To clear this fault switch off at the power supply and empty the indicated tray of all apaper and jams. Operate the lift up section and then close the drawer with NO paper in drawe. Switch on again and after the machine boots up replace the paper in the drawer. This usually works fine unless there is a serious problem with the lift-up motor.

Feb 19, 2010 | Sharp AR-5320 Black and White Copier

1 Answer

Begins to engage at first at a slow speed then stops engaging. the motor sounds like it is running, but the needle is not moving.


What seems like motor running isn't so. The motor is actually stopping and the sound u get is from the winding. You should immediately raise yr foot from the foot pedal and stop supply to motor. Other wise you run the risk of loosing yr motor.

Your problem is due to something getting jammed in yr bobbin compartment.

Clean shuttle race and shuttle race free of lint regularly to avoid this.

Oct 16, 2009 | Sewing Machines

1 Answer

Slow tape speed on reel to reel tape deck


My TC-230 has the same problems and it is mechanical. Actually, its real hard to say what your problem is, but it is most likely the pinch roller is to tight on the piece that is connected to the motor. This extra tension is from a spring inside the machine and, when in storage for a long time with the machine set to stop, extra pressure builds up on this spring. Try leaving it unplugged on fast forward/play overnight. that might help.

May 08, 2009 | Audio Players & Recorders

1 Answer

Canon np6521 copier


I really hate to tell you this, but your copier main motor is running to slow on multi runs from over heating and is hard to fire when cold . Anyways the motor is going by-by.

Nov 06, 2008 | Canon imageRUNNER C3200 Copier

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