HG soldatech EL120HG, Руководство пользователя, Страница: 33 / 39

ENG
33
6. Trouble shooting
No
.
Breakdown Analysis Solutions
1
Yellow Indicator
is on
Bad power ventilation lead
to over-heat protection
Improve the ventilation condition.
Circumstance temmpera-
ture is too high
It will automatically recover when the
temperature low down.
Using over the rated
duty-cycle
It will automatically recover when the
temperature low down.
2
The adjustment
knob on the
front panel
didn’t work
Potentiometer broken
(current regulation)
Replace the potentiometer.
3
Cooling Fan not
working or turn-
ing very slowly
Scarcity of phase Recover the phase
Switch broken Replace the switch
Fan broken Replace or repair the fan
Wire broken or falling off Check the connection
4
No no-load voltage
Welder getting overheated See No. 1
Switch broken Replace the switch
5
Electrode Hold-
er and Cable
getting hot;“+”
“-” polar sockets
becoming hot
Electrode Holder’s capacity
is too small;
Replace it with a bigger capacity one
Cable is of small size
Replace it with another one in
conformity with the requirement
Replace it with another one
in conformity with the re-
quirement
Remove the oxide skin and tighten it
Bigger resistance between
the electrode holder and
the cable
6
Power
source
tripping
Resume power over a long
period of time ( more
than two days )
Not failure. Trip caused by the main
power filter’s capacity charging.
Switch on the main power source.
In the process of welding Contact us
7 Others Contact us