OLD Topic: L-Tec L-TEC Plasma Cutter | L-Tec Repair

L-Tec Service & Repair Forum

The problem is probably in the trigger or broken wiring back through the leads. If you have any of the electrical drawings, they should show where to close the connection inside the power supply to fire the torch. If it fires that way your problem is in the leads or trigger.

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— Posted by Micah on 2008-01-10

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If you need your L-Tec unit tested or repaired,
give us a call at 1-336-969-0110.
Estimates are free with an approved repair. Declined or unrepairable units are subject to a $75 evaluation, handling, and standard return-shipping fee. Extended warranties may be available.
Shipping/Receiving:
Industrial Electronic Repair
124 Five Forks Dr PMB #208
King, NC 27021
Phone: 1-336-969-0110

Recent 56 Comments

#L-Tec by Witold on 2010-02-24 23:13

Hi . Im looking for L-Tec Compact aircut 25 diagram for my Telwin plasmarc 250 (I know its strange but both of units are similar construction)Telwin forgot about this machine - have no diagram they sad its to old ...What is cost of one of parts that L-Tec plasma cutter -I mean HF transformer *electr…Purchase or Repair:

#L-Tec by on 2007-12-29 02:32

Hi, I have a L-TEC brand plasma cutter pcm-7501, p/n 32905, serial a93b41632 and was wondering if I could ask you a question or three about it?My questions are,it will power up fine, and when you select air test, that function works as well. There is no fault light on, but the problem is that the un…Purchase or Repair:

#L-Tec by Micah on 2008-01-10 22:12

The problem is probably in the trigger or broken wiring back through the leads. If you have any of the electrical drawings, they should show where to close the connection inside the power supply to fire the torch. If it fires that way your problem is in the leads or trigger.

—> Purchase or Repair:

#L-TEC by massimo cravotta on 2014-02-16 11:58

Hello, I'm interested in purchasing the L-TEC PCM-VPi 31746 welder. Could you please provide information on pricing and availability? I'm trying to source one quickly. Thank you.

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#L-Tec by Mike Capra on 2011-05-16 16:27

I have an L-TEC PCM-VPI plasma cutter. It doesn\'t work, I took it to Valley Welders Supply in Billings, they told me that it needs a new circuit board. What would be the cost and/or is it cheaper to buy a new plasma cutter?Kind Regards,Mike

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#L-Tec by pascal bellehumeur on 2013-04-03 01:31

i have a pcm 32 i, and the light overload is open (is red) the machine is\'t does\'nt work ,what is the trouble?

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#L-Tec by Datexpro on 2015-07-10 13:32

One of the drives or boards just failed on the L-Tec PCM-32i 680536 welding and cutting system. Urgent attention required!

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#L-TEC by MR BERNARD JACKSON on 2014-11-28 16:16

Do you have an L-TEC PCM-VPi 31746 welder available for sale to replace the down unit? Thank you.

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#L-Tec by Campanello on 2015-07-22 15:20

Experiencing issues with my L-Tec PCM-32i 680536 welding and cutting system. In need of repair or maintenance services, as the unit is currently out of order. Any recommendations for technicians who can assist with this industrial equipment?

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#L-TEC by Ruddy GArcia on 2014-02-14 06:58

My L-TEC PCM-VPi 31746 welder is not functioning properly. Need a technician to repair it soon.

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#L-TEC by James Parins on 2014-12-04 22:23

Can the L-TEC PCM-VPi 31746 welder be repaired, or do you recommend buying a new one? I'm trying to check this off my to-do list, so any advice would be appreciated.

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#L-Tec by Richard Farina on 2012-12-09 15:34

Hi I have L-Tec 7501 plasma cutter 220 single Ph was pluged into 440 is it repairable Thanks

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#L-Tec by scale on 2015-07-12 02:32

The L-Tec PCM-32i 680536 welding system is experiencing a critical issue on the production line. The system is failing to maintain consistent voltage levels during welding, resulting in frequent interruptions and defects in the welding process. Immediate repair service is required to ensure minimal …Purchase or Repair:

#L-Tec by Purshottam on 2011-01-25 13:19

Hi I can give you systems like the zundgerat PLasma ignition systems , quite reliable they work very well for plasma , and TIG we make our plasma systems , we use them in these plasma machines.proarcindia.com

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#L-Tec by RICHARD FARINA on 2014-01-22 22:41

This is a 220 unit that was pluged into 480 is it worth repairing .Thanks

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#L-TEC by Lai on 2014-08-28 19:15

Do you have any L-TEC PCM-VPi 31746 units available for sale or repair? Our welder is down, and we need to keep production running.

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#L-TEC by MCpl Andre Plante on 2014-12-31 02:54

Can the L-TEC PCM-VPi 31746 Welder be repaired or replaced? Trying to check this off my to-do list.

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#L-Tec by Balli on 2012-05-18 04:35

I do not have existing Ductling II software. L-Tec 810 screen comes on with white dots filled and no instruction to do anything. Advise 202-438-0224

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#L-Tec by Don Sprague on 2010-08-31 02:59

Do you have someone in our area that works on the L-Tec machine

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#L-TEC by Duco on 2014-04-14 13:32

Hello, I'm interested in purchasing the L-TEC PCM-VPi 31746 welder. Could you please provide information on pricing and availability? I'm trying to source one quickly. Thank you.

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#L-Tec by liston hayes on 2007-03-31 21:47

Board is an Esab componet that operates an Esab PCM 750-iplasma cutter. Esab (L-tec) Part # 838008 Rev. C.

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#L-Tec by Gunnar Stensson on 2015-07-19 11:20

The L-Tec PCM-32i 680536 is displaying error code E-204. The arc is not initiating when the trigger is pressed. Need assistance ASAP.

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#L-TEC by Ruthie on 2014-05-05 15:20

The L-TEC PCM-VPi 31746 welder is consistently overheating, causing frequent shutdowns and halting our production line. It requires immediate attention and repair to avoid further disruptions.

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#L-TEC by Strayer on 2014-01-15 00:04

Hi there, I'm inquiring if the L-TEC PCM-VPi 31746 welder can be repaired or replaced. I'm looking to resolve this issue as soon as possible. Please advise.

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#L-Tec by Kojo Buachie on 2007-12-23 18:53

I have an L-Tec Plasma Cutter with a capacity of 1-1/2\" thick steel, 230V. It powers OK but the tourch not working. Please do you carry any.

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#L-Tec by Dan Yert on 2015-08-14 08:20

Please provide information on the L-Tec PCM-32i 680536 welding & cutting system. We are exploring replacement or repair options for this unit and would like to inquire if it is still supported or if parts are available. Thank you.

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#L-Tec by ScottDex on 2015-03-10 00:13

The L-Tec PCM-32i #680536 unit experienced a malfunction today, causing downtime in the Welding & Cutting Systems. The issue occurred around 345 pm during shift. Can you provide insights on what went wrong and how to resolve it quickly before the next shift begins?

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#L-Tec by yvon on 2015-03-14 08:40

Could you please confirm if you have the L-Tec PCM-32i 680536 welding and cutting system available for sale or repair? Our production is currently affected and we need to get it resolved as soon as possible. Thank you.

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#L-Tec by MOBEEN ASHRAF on 2011-05-20 12:19

Dear Sir,We would like to introduce ourselves as registered supplier/indenter of various types of machinery/tools/Raw Material/electronics items with many of government and private sector organizations in our territory. One of our customers would like to purchase below mentioned items on urgent basi…Purchase or Repair:

#L-Tec by CARMEN YURENI ROMERO REYNA on 2015-07-23 17:39

My L-Tec PCM-32i 680536 industrial unit is malfunctioning during welding and cutting operations. I need a reliable technician to quickly diagnose and repair the issues. Thank you.

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#L-Tec by Gustavo Valentini on 2015-03-14 09:40

Having issues with my L-Tec PCM-32i 680536 unit, used for welding and cutting. Need someone experienced in industrial unit repairs to take a look and fix it

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#L-Tec by MAZHAR ALAM on 2010-04-21 06:05

Kindly tell me how to repair the L-TEC- CB7WB , Model VI502 , there is problem in the holder and also the plasma cutter holder is not available in the local market ,second the holder fot the co2 welding also not working can i purchase it form u thanks give me a call 00923339500248—> …Purchase or Repair:

#L-Tec by kent jarrell on 2009-02-28 04:29

i need parts for my machine hopfuly u can help me thx kent jarrell

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#L-Tec by Tom C. Dailey on 2015-08-14 00:20

The L-Tec PCM-32i 680536 welding unit experienced a breakdown during yesterday's afternoon shift at around 330 pm, causing significant downtime in our operations. Your

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#L-Tec by Wade dodgens on 2015-07-21 06:20

Do you have any L-Tec PCM-32i 680536 units available for sale or repair to keep our production running?

—> Purchase or Repair:

#L-TEC by K.Karathanos on 2014-12-06 04:23

Our L-TEC PCM-VPi 31746 welder is still down. Please provide an update as soon as possible. Thank you.

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#L-Tec by Darwin Stevens on 2010-04-12 18:02

The power turns on, air is going through, the fault light is on, fuse is good, arcs at the gun but will not cut. I have already stuck $1,300.00 into this machine in repairs.

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#L-Tec by Berry Nall on 2015-03-16 10:25

The L-Tec PCM-32i 680536 welding system is malfunctioning, causing delays in production. Please send a technician immediately to address the issue and ensure minimal downtime in our operations.

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#L-Tec by Hoang on 2015-12-31 21:54

The L-Tec PCM-32i 680536 welding unit is not working.

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#L-Tec by pat heveron on 2012-11-06 18:43

I am looking for output diodes for the above unit. The console has a pn of 31746 and SN: a93a 31328.I spoke with Jamie @ esab. They can only come up with the doide \"module\" pn: 951902 and that part is obsolete.This unit has the individual output diodes, I believe two forward and two reverse polari…Purchase or Repair:

#L-Tec by Bill Micka on 2007-10-18 17:55

I have the subject plasma cutter and am trying to use it in a X-Y machine operated by my older computer. It works most of the time but it seems the high frequency start is killing the computer on occasion. Is there a way to disable the hi frequency start circuit ?Thank you Bill—> …Purchase or Repair:

#L-Tec by Darwin Stevens on 2009-04-27 00:57

I have an L-Tec PCM750i plasma cutter, the power is on, air going through, the fault light on, fuse is good, arc\'s at the gun but will not cut.

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#L-Tec by Clyde on 2008-02-09 02:37

My L-Tec Plasma cutter PCM VPI has a short in the circuit board, i can bend it up and it start working fine but I can\'s fine the open circuit or lose wire, Could I sent only the board for repair or is this thing worth repairing, Thanks, Clyde

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#L-Tec by SID BROOKS on 2008-07-03 19:00

I NEED A SHAPE BOARD FOR MY L-TEC UCNC -8 PLASMA 810 OR A WAY TO HOOK UP A PC I HAVE MODEM BUT THE CABLES WANT GO TO MY XP USB AND A PROGRAM TO RUN IT . THANKS TEWLL RUDY IT STILL NOT WORKING

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#L-Tec by Hamid on 2009-10-22 14:06

i need manual for this Plasma Machine , Model:- PCM-100Plasma Arc,L-TecHope to receive the same.

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#L-Tec by Ron Secor on 2010-04-29 20:20

Unit quit working and I would like to find out if it is worth repairing. I,m retired now and would like to use it once in a while.

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#L-TEC by ibrahim on 2014-05-02 23:20

Hello, I need repair info for an L-TEC PCM-VPi 31746 welder that stopped working. Can you please assist with finding a replacement or repair solution? Thank you.

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#L-Tec by darrell on 2010-04-04 21:39

i dont get any air

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#L-Tec by stgermain on 2015-12-09 23:56

The L-Tec PCM-32i 680536 unit in the warehouse is experiencing abnormal behavior. It is not functioning normally, although I'm unsure what this behavior is called.

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#L-Tec by Balli on 2011-12-13 03:47

My machine does not work and cannot use L-Tec 810 controller to to do anything.I just get black screen

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124 Five Forks Dr PMB #208
King, NC 27021
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Industrial Electronic Repair
124 Five Forks Dr PMB #208
King, NC 27021
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.