Question about Welding Tools

1 Answer

We have a dielectric welder model HFT-10 made by High Frequency Technology Inc.They are no longer in the dielectric business so they can't help me. The problem is when you cycle the machine it operates normally until it is time for the RF to fire.When it does it blows the main breaker at the power source.I have changed the breaker to insure that not being bad but to no avail. The other problem is I do not have any kind of book or even electrical schematic so I don't know were to start.I don't know what is suppose to have continuity and what isn't.Can some one help?

Posted by on


1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.


    An expert whose answer got voted for 500 times.

  • Master
  • 1,714 Answers

This is a pretty complicated machine and you will need professional help to diagnose the problem There is an electronic tube (similar to the old vacuum tube technology of the '50's) that generates the high frequency necessary to weld with. I found a company that makes high freq. welders and you may be able to go through them.
You may be able to find a Radio Technician that would understand the principals involved in the high frequency generator and how to troubleshoot it. It may only be a problem on the low voltage (240VAC) side of the welder that is causing your problem. A good electrical technician/electrician could troubleshoot most of it. here is a link...

Posted on Jul 31, 2009


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

How to set up welder or aluminum tig welding

If you want to weld aluminium with a welder, your machine must be an AC/DC welder, then you will use only AC to do the weld, but as well you must have a contineous high frequency and according to what thickness you want to weld a water cooling argon torch wont be a luxury

Aug 25, 2014 | Welding Tools

1 Answer

Low voltage at recepticials

If the front DOES NOT say "chopper technology", then the fine control knob MUST be turned all the way up for full aux power. Low engine RPM can also cause this issue. If your meter can read frequency, it should read a little above 60 Hz at full speed with no load.

Mar 12, 2014 | Lincoln Ranger 225 Engine Driven...

1 Answer

No high freqency on tig welder/longevity weld 160pi

Replace your high frequency capacitor. Patrick

Nov 22, 2013 | Welding Tools

1 Answer

Have a CT-200 Hobart Welder Getting high frequency but no current?

Sounds like the problem could be with your tig torch. Inside the tig torch you have a copper cable which carries your main welding current. If there is a break in the copper the high frequency is of such a high tension voltage that it can jump across the break in cable making it appear that your tig torch is fine. If you have a multimeter check continuity from one end of the torch to the other or try another tig torch.

Nov 06, 2011 | Hobart Handler 140 Mig Welder

1 Answer

Welder alluminun

to weld aluminum with a tig welder the machine must have a high frequency ability.

Sep 26, 2011 | Welding Tools

1 Answer

If I am using a 150A High frequency TIG welding machine, would you recommend a torch with gas control valve or not

You should control the normal gas flow at the bottle with a flow meter. Your welder may have additional settings such as 'post gas' and 'pre gas' to start the flow before you press the button or keep it going for a short time after you release it.

Sep 07, 2011 | V, Inc. Weldcraft Wp17v Weld Like A Pro...

1 Answer

My welder no longer produces high quality welds

You could have a poor ground clamp connection. Check that. also increasing the gas flow will cause turbulence at the weld, this can have a negative effect on weld quality.
Check your connections, check your liner, actually, replace it if you haven't recently.

Feb 15, 2010 | Lincoln Electric LE 83180 Century...

1 Answer

Lincoln Idealarc tig 250 has no high frequency

Check high voltage transformer and capacitor, also check point gap circuit to ground.

Jun 20, 2009 | Welding Tools

2 Answers

I have a Clarke MIG welder, the recifier has shorted out. I need a new rectifier PMS 8/4/1 F (Clarke P/N WE20504-22400038) Clarke is no longer in business so I am unable to get the part from the...

I have a brand new rectifier for a clarke 130 welder new still sealed in plastic bag--is this what you need---look in craigslist,long island for pics

Mar 06, 2009 | Clarke Power Products Welding Tools

Not finding what you are looking for?
Welding Tools Logo

Related Topics:

139 people viewed this question

Ask a Question

Usually answered in minutes!

Top Welding Tools Experts

Brad Brown

Level 3 Expert

16147 Answers

Bill Boyd

Level 3 Expert

45365 Answers


Level 3 Expert

76846 Answers

Are you a Welding Tool Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides