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6-TROUBLE SHOOTING
Warning!
An electric shock can be fatal. Before opening the machine:
-Switch it off and unplug it from the mains
-Unplug machine from the mains
-Put up a clearly legible and easy-to-understand warning sign to stop anybody
inadvertently switching it back on again
-Check to make sure the electrically charged components (e.g.capacitors)
have been discharged.
-Bolt in outer case also works for ground connection. Never use other bolt,
which can not work for ground connection.
Machine problem, cause and remedy
Note!
The following troubles and causes are uncertain. However, during the
process of ATIG-P series and the normal using conditions, these might happen.
Table 6-1: Trouble shooting
●
Error code display
This series of machines have automatic protection and error code display function.
Relevant Cause & Remedy can be found according to below Error codes, as shown in
Table 6-2.
No.
FAULT
CAUSE
REMEDY
01
Indicator light does
not light on and
welding machine
doesn’t work when
machine switches on
Default phase
Check power source
Fuse (2A) is broken
Check whether the fan, power
transformer and control board
are in good condition
Wire disconnection
Check and repair
02
Circuit breaker trips
automatically except
working for a long
time in high welding
current
IGBT module, three
phase rectifier, or output
diode module is
damaged
Check and replace
Short circuit
Check and replace
03 Welding current is not
stable
Default phase
Check power supply
Main control board is
damaged
Check and replace main
control board
04 The welding current is
not adjustable
Inner line is broken
Check and replace
Main control board is
damaged
Code
Trouble
Cause
Remedy
