Look inside the machine: do you find any
burst, burnt or blown up parts?
Are any of the wires burnt or damaged?
YES
Which of following problems do
you have?
Replace PCB that
has damaged
components
Switch machine on
Green "POWER"
LED on front
panel not on
Unit in electrode mode Green
welding current LED on,
"SHORT CIRCUIT: PLEASE
REMOVE IT" on display but
you do not have a welding
arc
Go to
point B
Problems with fan
motor
Is voltage on both
terminals of all 3 fans
220 volts AC?
Do you have voltage of
220Vac on terminals J4 and
J7 of PCB 1?
Go to
point D
Go to
point C
YES
YES
NO
Replace motor fan that
shows problems
Yellow
thermoswitch LED
flashes
Go to
point A
You have a
welding arc but
you can't adjust
welding current
Go to point
C
Replace front
panel. Is problem
solved?
OK
YES
NOT
NO
Go to
point F
In TIG mode you
have high frequency
arc but no welding
arc
Electro valve EVA
does not work
Ignition difficult
Go to
point B
Go to
point G
HF does not work
Replace PCB 5. Is
problem solved?
OK
YES
NO
You can DC TIG
weld but can't AC
TIG weld
Replace PCB 2 and
front panel PCB
NO
HTP Invertig 200 AC/DC Troubleshooting Guide
16
Summary of Contents for Invertig 200
Page 14: ...13 HTP Invertig 200 Parts Breakdown...
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