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A WILKINSON STAR LIMITED PRODUCT 01-19 ISSUE 1
Maintenance and troubleshooting
The following operation requires sufficient professional knowledge on electric aspects and
comprehensive safety knowledge. Make sure the input cable of the machine is disconnected from the
electricity supply and wait for 5 minutes before removing the machine covers.
In order to guarantee that the arc welding machine works efficiently and in safety, it must be maintained
regularly. Operators should understand the maintenance methods and means of arc welding machine
operation. This guide should enable customers to carry on simple examination and safeguarding by
oneself, try to reduce the fault rate and repair times of the arc welding machine so as to lengthen service
life of arc welding machine.
Troubleshooting
Before arc cutting machines are dispatched from the factory, they have already been checked thoroughly.
The machine should not be tampered with or altered. Maintenance must be carried out carefully. If any
wire becomes loose or is misplaced, it maybe potential danger to the user!
Only professional maintenance personnel should repair the machine!
Ensure the power is disconnected before working on the machine. Always wait 5 minutes after power
switch off before opening the case.
Period
Maintenance item
Daily examination
Check the condition of the machine, mains cables, welding cables and
connections. Replace where necessary.
Switch on the machine and check for any warning LEDs and general
operation.
Monthly examination
Disconnect from the mains supply and wait for at least 5 minutes before
removing the cover. Check internal connections and tighten if required.
Clean the inside of the machine with a soft brush and vacuum cleaner. Take
care not to remove any cables or cause damage to components. Ensure that
ventilation grills are clear.
Check the security of output connections
and plugs. Replace if signs of overheating.
Carefully replace the covers and
test the unit.
This work should be carried out by a suitably qualified competent person.
Yearly examination
Carry out an annual service to include a safety check in accordance with the
manufacturers standard (EN 60974-1).
This work should be carried out by a suitably qualified competent person.
Malfunction
Cause/Solution
Turn on the machine, the power indicator illuminates,
the control PCB keys do not function and there is no
response when pushing the torch trigger.
The machine software crashes: Shut down the
machine and restart it.