19
18
11 SERVICE INFORMATION
The electrical components of the
equipment are shown in the circuit
diagrams on pages 20-22.
The Weldarc inverter is an inverter
type design, where the mains supply is
first rectified, filtered then chopped to
a high frequency before being applied
to the welding transformer. The output
of this transformer is rectified to form
the welding output of the machine.
Before removing the equipment
cover, ENSURE that the equipment
is disconnected from the mains
power supply. When the equipment
is energised LETHAL VOLTAGES
are present on the electrical
components enclosed.
CAUTION: The following information
is intended for use by qualified
service personnel. When the unit
is energised LETHAL VOLTAGES
are present on the electrical and
electronic components. It is not
intended that persons without
suitable training and knowledge
attempt to perform service tasks on
the components of this welder.
If the welding machine requires
service or repair, take the machine
to an authorised service agent.
Australian service agents can
be located on the welding.com.
au website. Alternatively call
customer service; Australian 1300
300 884 New Zealand 0800 9353
9355. When contacting a service
agent please have an accurate
description of the fault, and the
machine serial number located on
the base on the machine.
M1102A..................
M1112A...................
M1122A..................
