Jasic EVOLVE 200 Operator's Manual page 107

MAINTENANCE
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 out 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 machines.
Period
Daily examination
Monthly examination
Yearly examination
TROUBLESHOOTING
Before arc welding 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 potentially dangerous to user!
Only professional maintenance personnel should repair the machine!
Description of fault
The welding arc
cannot be established
Difficult arc ignition
Overheat Error lit
Over current Error lit
Maintenance item
Check the condition of the machine, mains cables, welding cables and
connections.
Check for any warnings LEDs and machine operation.
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.
Carefully replace the covers and test the unit.
This work should be carried out by a suitably qualified competent person.
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.
Possible cause
Power switch has not been switched ON
Incoming mains power supply is not ON
Possible internal power failure
Low arc current
Machine operated outside duty cycle
Fan not working
Mains supply problem
Action
Switch ON power switch
Check incoming power switch for correct
operation and supply
Have a technician check the machine and
mains power supply
Increase the arc current setting
Check condition of the MMA welding leads
Allow the machine to cool and the unit will
reset automatically
Have a technician check for obstructions
blocking the fan
Have a technician check the mains supply
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