150 T / 150 W
Ultima modifica/ Last Modify: 18/03/2008 Rev0 pagina 12 di 17
PROBLEM
CASE
SOLUTION
The machine does not
strike in HF mode.
The front panel could be damaged.
The HF board could be damaged.
HF board cable could be damaged or
disconnected.
!
Replace the front panel board; first verify
that the spare part has the right software.
!
The HF board must be replaced.
!
Connect the cables or, if damaged, replace
them (picture 8).
Gas does not come out
from solenoid valve.
Excessive gas pressure.
Damage solenoid valve wiring.
The solenoid valve control relay on the
front panel is damaged.
Feeding is missing.
Solenoid valve is damaged.
!
Remove the gas connection. Carry out a
gas test on the front panel in the TIG pro-
cedure and check opening of the solenoid
valve. Reduce gas pressure. Restore con-
nections and carry out a gas test.
!
Switch off the machine and disconnect the
plug:
Check the continuity of the solenoid
valve cable .If there’s no continuity, try
to repair the damaged cables;
Check that the connectors are correctly
inserted (picture 8).
!
The front panel must be replaced.
!
The HF board could be damaged, in that
case it must be replaced.
!
Should the operations carried out not have
a positive outcome, replace the solenoid
valve.
The torch button
does-
n’t work.
The Torch could be damaged.
There is no continuity between the
amphenol connector and the front panel.
The front panel or the HF board are
damaged.
!
The Torch must be replaced.
!
Single out the interruption and replace the
wiring.
!
The damaged boards must be replaced.
The machine always
welds at maximum cur-
rent.
The Torch could be damaged.
The Front Panel could be damaged.
The Power Board could be damaged.
The shunt wires could be damaged or
not correctly inserted.
Switch off the machine and disconnect the
plug:
!
Replace the Torch;
!
Replace the Front Panel;
!
Replace the Power Board;
!
Connect the shunt wires or if damaged,
replace them.
Gas comes out but the
machine doesn’t weld.
Pre-gas settings are not correct.
!
Regulate pre-gas settings.
The machine can’t stop
welding or the welding
current is not the one
set.
The slope up and slope down are not cor-
rectly set.
!
Regulate in the correct way the slopes.
!
Otherwise, reset the parameters and reset
the machine (picture 8).
