Stealth DIGI-ARC 160PFC MV, Operator'S Manual

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STEALTH DIGI-ARC 160PFC MV
5 MAINTENANCE & TROUBLESHOOTING
5.1 Maintenance
In order to guarantee that an arc welding machine works efficiently and safely, it must
be maintained regularly. Read and understand the maintenance methods and regularly
carry out safety checks. Make any repairs as required in order to extend the service life
of the welding machine. Maintenance items are detailed in the following tables.
• Warning: Safely maintain the machine by shutting off the power supply and waiting
for 5 minutes until the capacity voltage drops to a safe voltage of 36V.
DATE MAINTENANCE CHECKS
Daily Observe whether panel knob and switch in the front and at the back of arc
examination welding machine are flexible and placed correctly. If the knob has not been
correctly installed, please correct. If this is not possible, replace immediately,
If the switch is not flexible or it cannot be correctly installed, please replace
immediately. Contact your distributor if there are no parts to hand.
After switching on power, watch and listen to check the arc welding machine is
not shaking, whistling or giving out an unusual odour. If so, investigate and
eliminate. If any problem persists please contact your distributor.
Observe the LED is working correctly. If the number is not displayed, replace the
LED. If it still does not work, maintain or replace the display PCB.
Observe whether the min/max value on LED accords with the set value. If there
is any difference and it has affected the normal welding process, adjust
accordingly.
Check fan for damage and correct rotation. If damaged, change immediately.
If the fan does not rotate after the arc welding machine is overheated, check
the blade is not obstructed. If the fan still does not rotate after eliminating the
above, push the blade in the direction the fan rotates. If the fan rotates
normally, the start capacity should be replaced. If not, change the fan.
Check whether the fast connector is loose or overheated. If so, it should be
fastened or changed.
Check the current output cable is not damaged. If so, it should be securely
insulated or replaced.
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