HTP Invertig 160DC User Manual

16
Trouble Shooting Guide - HTP Invertig 160 DC
Visually check the inside of the machine.
Are there burnt or swollen parts?
YES
Which kind of problems do you
have after turning on?
NO
Replace the PCB which
has damaged
component
Turn on the
machine
The fan doesn't
work
Is there 230 Vac on
fan terminals?
YES
NO
The fan is broken.
Replace it
Is the fuse F1
ok?
Replace
the fuse F1
NO
No leds are lit on
the front of the
machine
Machine is set up
for stick welding,
yellow led is not lit
and 2 green leds
lit, but there is no
output voltage
Machine has
output voltage but
you can't adjust
the current
Yellow led is
always lit
In TIG welding the
arc doesn't turn
on by pressing the
foot pedal
Solenoid valve or
HF doesn't work
Tough start
Not enough
energy on HF
Is there 230 Vac
voltage on input
switch?
YES
Replace
switch
YES
Is there 230 Vac
voltage on input
main filter?
NO
Is there 230 Vac
voltage on input
main voltage
cable?
NO
Replace
main filter
Replace the
main voltage
cable
YES
YES
The fault is on
the plug
NO
A
Go to the
B point
Go to the
E point
Go to the
D point
Go to the
C point
Go to the
B point
Go to the
F point
H
Set up output no-load voltage to
95V through the trimmer R57 on
PCB 3 of the front panel

HTP Invertig 160DC Specifications

General

Brand	HTP
Model	Invertig 160DC
Category	Welding System
Language	English