15
7
、
FAULT REPAIR
Inspector can check the machine follow table 5,and repair follow table 6.If the failure can not
be eliminated,please contact with manufactory.
ATTENTION
：
1
．
Before the maintenance or repair,make sure the power is off to avoid electric shock.
2
．
The machine has tested before leaving factory,any modification is not be allowed.
3
．
During the inspection of wire connecting ,please don’t pull hard and change any connecting.
Table 5
Inspection item
Failure
Causing
Can not ignite arc
Power switch damaged or switch wire broken
The cable which connect with workpiece is
damaged ,or the clamp cable is damaged
Input power lack phase
Over loading,over heating or over current
protection
Input power cable loosing
Output cable connector loosing
Compressed air pressure is too low
Arc is unstable,or arc break frequently
Output cable connector loosing
Input power cable with bad connection
Decrease of output current
Input power is not between 330V
～
440V
Input power cable is too thin
Power capacity is low
