Service and Maintenance
12.
Maintenance
The welder has been built for long periods of use with a minimum of maintenance. The operation of the
machine in the long term with satisfactory performance depends on the correct care of the machine and its
periodic cleaning.
Cleaning - unplug machine before cleaning
Periodically clean the welder using a soft cloth, preferably after each use. Keep the vents free of dust and
dirt and if they cannot be easily removed use a damp cloth with water and a little soap. Never use solvents
derived from petroleum, alcohol, etc. they can damage the plastic parts of the machine.
Lubrication
The machine does not need additional lubrication.
Diagnostic
If the machine does not function normally, suspend its use and use the following table to find the possible
cause and its respective solution .
Failure
No output power
Low current
output
Poor quality of weld
bead
Possible cause
• No power supply.
• Inappropriate fuse or breaker.
• Thermal protection in operation.
•
Inappropriate connection
• Low input voltage
• Work clamp (ground) away from the
point to be welded
• Defective electrode
Solution
• Check connection
• Wait for the thermal protection to stop
working.
•
Check electrical connection
• Check clamp location to ensure
proper connection. Clean rust or
paint.
• Place the clamp as close as possible
to where it is to be welded.
• Change the electrode
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