ESAB PC1250/1500 HF Malfunction Troubleshooting instruction

www.esabna.com
DATE: 03OCT07 BULLETIN NO: P_07_002
TITLE/ PRODUCT NAME: PC1250/1500 HF Malfunction
RATING: _ (Action is Required) (Potential Problem)
_XX _ INFORMATION _ _ PRODUCT IMPROVEMENT (Action is Optional) (Enhanced Product)
_XX _ General Distribution _ (Unrestricted) (Restricted Distribution)
PRODUCT SERIES/ MODEL: PowerCut 1250/PowerCut1500

SERIAL NO: P*J628001 thru P*J739028

SUMMARY: ESAB has identified a possible failure mode of a component on the HF starter board in the
PC1250 and PC1500. Units manufactured between July 2006 and September 2007 may intermittently allow the Hi Frequency to fire continuously as long as the unit is turned on. If this fa ilure occurs, the unit will continue to operate in a seemingly normal manner, but the possibility of a “No Arc” condition is increased from induced secondary failures. In addition the operator may receive a non injurious
shock if he improperly attempts to change torch consumables without turning the u nit off.
OPERATIONAL IMPACT: Improved machine reliability
ACTION:
To insure machine reliability, the Hi Frequency board, p.n. 38229 must be replaced. ESAB is also re­questing a pro-active approach to replace this board in all above mentioned machines even if it has not failed as an unexpected activation of the HF may surprise the operator. formed under ESAB’s warranty program at no cost to the end user.
To obtain a replacement pc board, contact the technical support group at 843-664-4416, supply your machine serial number and a small package delivery address. We will send an updated board. The board exchange in the machine must be accomplished by a qualified repair technician. See p icture below for location of Hi Frequency PC board.
_ DIRECTIVE _XX _ ALERT
_ Business Confidential
All replacements will be per-
WARNING - REMINDER:
BE SURE INPUT POWER IS DISCONNECTED BEFORE AT­TEMPTING ANY INTERNAL INSPECTION OR REPAIR. VOLT­AGES IN PLASMA CUTTING EQUIPMENT ARE HIGH ENOUGH TO CAUSE SERIOUS INJURY. BE PARTICULARLY CAREFUL AROUND EQUIPMENT WHEN THE COVERS ARE REMOVED.
CONTACT:
ESAB Welding & Cutting Products Product & Service Information Group 843-664-4416 Phone 843-664-5539 FAX
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