ESAB Aristo Origo Arc 4001i Service Manual page 9

Component Description
15Q1, 15Q2 IGBT transistors. See the description of 15AP1:2 on page 18 and the
installation instructions on page 49.
15ST1 Thermal overload cutout, in the winding of main transformer TM1. See the
description of 20AP1:4 on page 27.
15ST2 Thermal overload cutout, mounted on the heat sink for the IGBT modules.
See the description of 20AP1:4 on page 27 and the installation
instructions on page 49.
15TM1 Main transformer.
20AP1 Control circuit board.
20AP2 Relay board.
ESD
Placement of the circuit boards
ca42_00
CAUTION !
STATIC ELECTRICITY can damage circuit
boards and electronic components.
S
Observe precautions for handling electrostatic-
sensitive devices.
S
Use proper static-proof bags and boxes.
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S0740 800 197/E100621/P74