ESAB Fabricator Series Troubleshooting instruction

TECHNICAL

BULLETIN

Date: 08-07-07

Product: Fabricator Series By: Jorge Santana

Subject: 7977964 Motor Control board

Summary: Rev 10

THERMAL ARC TECHNICAL SUPPORT

Phone: 1-800-462-2782

Fax: 1-603-298-7402

www.thermadyne.com

Form 0003

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 intention of this Bulletin is just to inform you that the Motor Control board for the Fabricator

Series p/n “7977964” has been updated to REV 10. The minor change involves a replacement of a

Zener diode with two 1N4004 in series forward biased and adding a 470 pf capacitor on back

of the PCB in order to add extra protection to the motor drive FET component.

The installation and functionality of the board remains the same but you will notice the new capacitor

Mounted on the back of the board

This is not a product recall but just a confirmation of our continued commitment to improve the

Thermal Arc Products every time we see an opportunity to do so.

470 pf Cap

For More information Contact: