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ESAB Ultra-Cut / AutoCutO2 Troubleshooting instruction

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TECHNICAL
BULLETIN
Date: 12-12-08
Product: Ultra-Cut / AutoCut O
2
By: Jorge Santana
Subject: TIP Damage at the first piercing
Summary: Troubleshooting Notes
Page 1 of 3
THERMAL DYNAMICS AUTOMATION TECHNICAL SUPPORT
Phone: 1-800-752-7622
Fax: 1-800-221-4401
tdc-tech@thermadyne.com
www.thermadyne.com
Form 0006
82 Benning Street
West Lebanon, NH 03784
1-603-298-5711
Fax: 1-800-221-4401
“Exceeding Customer Expectations Through Performance Excellence"
Valued Thermadyne Service Provider,
The problem below (melting the front end of the tip at the first piercing ) can be caused when the Pilot Return
Wire gets pinched in the power track, or “pinched inside the Torch barrel” or somewhere that it grounds out.
This makes the tip always connected to work (table or earth Ground), so current flows in the tip all during
the cut.
We highly recommend to check your Wiring connections in the event that you experience this issue.
For More information Contact:
TECHNICAL
BULLETIN
THERMAL DYNAMICS AUTIMATION TECHNICAL SUPPORT
Phone: 1-800-752-7622
Fax: 1-800-221-4401
tdc-tech@thermadyne.com
www.thermadyne.com
Form 0006
82 Benning Street
West Lebanon, NH 03784
1-603-298-5711
Fax: 1-800-221-4401
“Exceeding Customer Expectations Through Performance Excellence"
For More information Contact:
Date: 12-12-08
Product: Ultra-Cut / AutoCut O
2
By: Jorge Santana
Subject: TIP Damage at piercing
Summary: Troubleshooting Notes
Page 2 of 3
In this case the Pilot Return Wire connected from the Power Supply (PS) to the Remote Arc Starter
(RAS) had 2 arcing marks … further investigation shown that a big portion of the copper wire was
actually melted .. The arc marks were also observed at the cable chain (where the power track sits) …
a clear indication that the Pilot Wire got shorted to ground.
TECHNICAL
BULLETIN
THERMAL DYNAMICS AUTIMATION TECHNICAL SUPPORT
Phone: 1-800-752-7622
Fax: 1-800-221-4401
tdc-tech@thermadyne.com
www.thermadyne.com
Form 0006
82 Benning Street
West Lebanon, NH 03784
1-603-298-5711
Fax: 1-800-221-4401
“Exceeding Customer Expectations Through Performance Excellence"
For More information Contact:
Date: 12-12-08
Product: Ultra-Cut / AutoCut O
2
By: Jorge Santana
Subject: TIP Damage at piercing
Summary: Troubleshooting Notes
Page 3 of 3
The Pilot Return Wire should be isolated to earth ground
/