ESAB Aristo 400 & 460 Control Board Change Troubleshooting instruction

www.esabna .com

DATE: March 3, 2004 BULLETIN NO: M_03_020

TITLE/ PRODUCT NAME: Aristo 400 & 460 Control Board Change

RATING:

_ _ DIRECTIVE _ _ ALERT

(Action is Required) (Potential Problem)

X_ INFORMATION _X_ PRODUCT IMPROVEMENT

(Action is Optional) (Enhanced Product)

X_ General Distribution _ _ Business Confidential

(Unrestricted) (Restricted Distribution)

PRODUCT SERIES/ MODEL:

Power Source PN Old PCB New PCB

AristoMig 400 230/460/575 vac 0458 625 882 0458 842 880 0458 842 882

AristoPower 460 230/460/575 vac 0558 002 668 0486 846 884 0486 958 884

SERIAL NO:

All serial numbers

SUMMARY:

The Aristo 400 and 460 main control board has been upgraded from an 8-bit to a 16-bit

microprocessor. This change improves weld performance and adds functionality by supporting

more advanced MMC features and functions . The 8-bit control board is obsolete and replaced

by the 16-bit board. The boards can be identified by using the photo’s below. Component

positioning in the top half of the PCB is different.

(Original issue date December 9, 2003)

OPERATIONAL IMPACT:

The 16-bit control board is backward compatible with the 8-bit board and can be used as a

repair part for older power sources without any degradation of welding performance when

using an MA-6 MMC panel only.

CAUTION

Aristo welding systems using a U-8 MMC must

use the 16 bit control PCB.

ACTION:

No action required.

CAUTION

Some caution is needed for those persons using ESAT and updating the boot programs on any

Aristo power source. The boot program for 8 and 16 bit microprocessors is different and is not

interchangeable. Do not use a 8-bit boot program on a 16-bit PCB. The reverse is also true.

CONTACT:

ESAB Welding & Cutting Products

Product & Service Information Group

843-664-4416 Phone

843-664-5539 FAX