ARC 160 - 6-CARE AND MAINTENANCE; Pre-Maintenance Safety Precautions; General Maintenance Guidelines

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Table.5-1: Trouble shooting
6-CARE AND MAINTENANCE

Before open the machine
Warning! An electric shock can be fatal. Before doing any work on the machine:
-Switch it off and unplug it from the mains
-Put up a clearly legible and easy-to-understand warning sign to stop anybody
inadvertently switching it on again
-Check to make sure the electrically charged components (e.g.capacitors) have
been discharged.
-Bolts in machine case also work for ground connection. Never use other bolt that
cannot work for ground connection.
 Maintenance
Please follow the instructions as below to ensure normal lifespan of power source.
- Conduct safety check at regular intervals (see “Safety rules”)
- Dismantle machine side panels and clean machine inside with clean and low-pressure
compressed air by professional technician, not less than twice per year. Clean the
components at a certain distance only;
damaged
4
Welding current is not
stable
1.Welding current adjustment
potentiometer is damaged
2.Main control board is
damaged
3.Bad connection in the
welding machine
Check and replace
5
Welding current is not
adjustable
1.Welding current adjustment
potentiometer is damaged
2.Main control board is
damaged
Check and replace