Have a visual check inside the machine:
do you find burst, burnt or blown up
parts?
Are wirings damaged?
YES
Which of following problems do
you have?
NOT
Replace PCB with
damaged
components
Switch machine on
No led light on
front part of
machine
Electrode mode, green
led light and "SHORT
CIRCUIT: PLEASE
REMOVE IT" on display:
you do not have output
voltage?
On TIG mode arc
does not ignite
while trigger torch
is pushed
Electro valve EVA
does not work
Go to
point
B
Go to
point
B
Go to
point
G
Problems on
motor fans
Yellow light blinks
Is voltage on both
terminals of all 3
motor fans at
230/240V?
Go to
point
A
Machine release
voltage but it is
not possible to
adjust current
Do you have voltage of
230/240Vac on terminals J4
and J7 of PCB 1?
Go to
point
D
Go to point
C
Go to
point
C
Replace front
panel. Is problem
solved?
OK
YES
YES
YES
NOT
NOT
NOT
Replace motor fan that
shows problems
HF does not work
Replace PCB 5. Is
problem solved?
OK
YES
NOT
Go to
point
F
You weld on TIG
DC but not on
TIG AC
Replace PCB 2 and
front panel PCB
Ignition difficult
HTP Invertig 201 AC/DC Troubleshooting Guide
22
Содержание Invertig 201 AC/DC
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