Question about Lincoln Pro Cut 55

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Safety light flases on a lincoln pro-cut 80 and mashine wont work

Air pressure is correct pressure swits closes,replaced torch what else can i do?

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  • Raul Garza Feb 27, 2009

    I have a Lincoln Pro Cut 55 and the safety light flashes , will not reset or purge, machine will not operate at all. Have plenty of air and all new parts in torch. Thanks, Raul

  • Raul Garza Feb 27, 2009

    I have a Lincoln Pro Cut 55 and the safety light flashes, have plenty of air and all new parts in torch. can not reset or purge.

  • Carl Gehrke
    Carl Gehrke May 11, 2010

    Press the saftey reset button, if the light goes out it's safe to continue. Sometimes the saftey circuit triggers on noise.



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  • 13 Answers

Sounds like the torch tip is not tight.with a hypertherm you have to turn of the machine to reset .

Posted on Jan 06, 2009


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My pro cut 55 Lincoln plasma cutter sounds like a machine gun when I strike it and put it to the metal. It cuts holes when you hold the trigger down and try and make a continous cut. new air dryer

"Remember, they are a drag machine up to about 3/8" thick material. Keep the power down as low as possible for the material being cut. Keep the right air filters on to supply clean air. Keep the air pressure between 60 (min or it will shut down) and 70 for most applications (more is not better-just like oxygen on the torch or air to an air-arc).

Also, check that the air hose hasn't come loose from the gun.
That was Brian's problem from YouTube (

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1 Answer

Lincoln electric pro cut 80 want arc

Try replacing it as in remove and than put on again

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Carrier Performance Boost 80 has a status light flashing on the furnace, 3 times fast followed by 3 times slow. What does that mean?

this indicates fault 33, on inside of access panel will tell you faulty switch. i believe off top of my head is pressure switch open, this a safety switch to verify that inducer fan is working, several things besides a failed part can cuase this, there is a rubber hose going from the inducer fan houseing to the safety pressure switch, remove hose from fan housing and run a small stick ,wire or torch tip cleaner, down the acces port, calcium builds up inside the port and blocks the sampling of pressure, reassemble and try it, if this works add it to yearly maintenance could need new switch or inducer fan motor, these need to be replaced by a tech, also birds can block flue pipe

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1 Answer

Shuts on on safety ,,almost immediatley

Check that the tip is assembled correctly.If is not in properly, it will not arc. Second, check air pressure switch. Sometimes they become stuck from corrosion due to moisture in the air. Test the operation with a tester

Nov 01, 2010 | Lincoln Electric Plasma Cutter, Pro - Cut...

1 Answer

Start cutting and the safety light comes on

Usually it could be one of two things. The first thing to check for is to look at the contact and make sure it is not melted down and ensure its in good shape. The second thing that could do this, would be not enough air pressure. This air pressure is used to blow away the molten metal you are cutting.

May 29, 2010 | Lincoln Electric Plasma Cutter, Pro - Cut...

1 Answer

The safety light on the Pro cut 55 will not stop flashing

alot of times the torch can be clogged up and that will make it come on

Apr 20, 2010 | Lincoln Procut 55 208/230/460/1/3/60 50Ft...

1 Answer

When air is hooked up it blows the air regulator and all the air blows out valve very little gets to safety light comes on on front of machine and it will not work

Air pressure should be no more than 90#s. If regulator cannot handle at least 125#s . Get a new regulater. Sounds like this regulator has a blown diaphram.

Nov 11, 2009 | Lincoln Electric Plasma Cutter, Pro - Cut...

1 Answer

Lincoln pro cut 60 status board no lights on but fan has power

Where are you?
Unless you are electrical and modern electronics inclined you may want to find someone with the right training and equipment to service.
Could be a bad power relay.

Sep 23, 2009 | Lincoln Procut 55 208/230/460/1/3/60 50Ft...

2 Answers

Safety light

check the gun lead all the way back to unit,if there is a nic or cut in that lead (main power lead)the unit will not fire,sadly you cannot fix the lead ,it has to be replace with new one,

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