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1
YEAR
WARRANTY
Periodic check
Periodic check should be carried out by qualified professionals to ensure safety. The power of the switching box and
the welding machine should be shut down before periodic check to avoid personal injury accidents such as electric
shock and burns. Due to the discharge of capacitors, checking should be carried out 5 minutes after the machine is
powered off.
Tips:
Safety
All maintenance and checking should be carry out after the power is completely cut off.
Make sure the power plug of the machine is pulled out before uncovering the welding
machine.
When the machine is powered on, keep hands, hair and tools away from the moving
parts such as the fan to avoid personal injury or machine damage.
Periodic check
Check periodically whether inner circuit connection is in good condition (esp. plugs).
Tighten the loose connection. If there is oxidization, remove it with sandpaper and then
reconnect.
Check periodically whether the insulating layer of all cables is in good condition. If there
is any dilapidation, rewrap it or replace it.
Beware of static
In order to protect the semiconductor components and PCBs from the static damage,
please wear antistatic device or touch the metal part of the enclosure to remove static
in advance before contacting the conductors and PCBs of the machine internal wiring.
Keep it dry
Avoid rain, water and vapor infiltrating the machine. If there is, dry it and check the
insulation of the welding machine (including that between the connections and that
between the connection and the enclosure) with an ohmmeter. Only when there are no
abnormal phenomena anymore, can the machine be used.
Put the machine into the original packing in dry location if it is not to be used for a long
time.
Pay attention to maintenance
Periodic check should be carried out to ensure the long-term normal use of the
machine. Be careful when doing the periodic check, including the inspection and
cleaning of the machine interior.
Generally, periodic check should be carried out every 6 months, and it should be carried
out every 3 months if the welding environment is dusty or with heavy oily smoke.
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