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Hypertherm pm45 xp flashing torch light will not fire

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Bollinger660
Posts: 5
Joined: Fri Dec 22, 2017 6:57 am

Hypertherm pm45 xp flashing torch light will not fire

Postby Bollinger660 » Thu Mar 01, 2018 7:22 am

Just purchased this power max 45xp . I have about 1-2 hours on it total after purchasing it from wight cnc with my table. lastnight after about 1/2 hour into cutting some 18 guage the machine torch just stops firing mid way through the piece. thought is was a fluke so stopped and reset everything. did it again after about 10 min of cutting. the torch goEs to strike or pierce and nothing. the orange light on the front comes on and blinks slowly. owners manual say its a tso torch stuck open. anyone ever experience this? what is the fix? i may try new consumables tonight but i had them apart and looked fine. any help would be awesome i am lost.

jimcolt
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Elite Contributing Member
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Location: New Hampshire

Re: Hypertherm pm45 xp flashing torch light will not fire

Postby jimcolt » Fri Mar 02, 2018 9:58 am

It also could be inlet air starvation. I suggest installing a pressure gauge at the inlet (hard plumbed) and ensure the inlet pressure is not dropping due to restriction in your plumbing system. If not air....then feel free to contact Hypertherm technical service. [email protected] or 1 800 643 9878 Jim Colt Hypertherm

Brand X
Posts: 483
Joined: Wed Apr 23, 2014 2:48 pm

Re: Hypertherm pm45 xp flashing torch light will not fire

Postby Brand X » Fri Mar 02, 2018 10:44 am

One easy way to tell is press the air purge button,(set up to purge) and watch the # that comes up on the screen. Something like 66/67 psi. does that # hold or start dropping.. If it drops, go to the main regulator, and turn up the pressure until # are stable.(within reason/specs)

Bollinger660
Posts: 5
Joined: Fri Dec 22, 2017 6:57 am

Re: Hypertherm pm45 xp flashing torch light will not fire

Postby Bollinger660 » Sun Mar 04, 2018 6:38 am

thanks guys . Talked to customer service on friday saying try a sticking electrode in the swirl ring. I have been gone all weekend. When i get home sunday evening i am going to try the info the gave me. keeping my fingers crossed this takes care of it. I'll keep you posted.


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