HTP MTS 160, Руководство пользователя

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After turning on the MTS 160,
which problem occurs?
NO
Switch on the
machine
Does an inspection of the inside of the
machine show exploded, burnt or
damaged parts? Is the wiring damaged?
Is the fuse blown?
YES
Change the card or
the broken
components
The fan MV1 or
MV2
is not working
No LEDs are lit on
the front of the
machine
There is no open
circuit voltage in
the stick mode
You have welding
voltage but can
not regulate the
welding current
When the door is
properly closed the
yellow Led is always lit
The gas solenoid
valve (EVA) is not
working
In Mig mode the
machine does not
regulate the
welding voltage
Wire feed motor
does not run.
Wire feed motor
always runs.
No gas comes out
of the torch.
After checking
that the hose is
connected at the
rear of the
machine...
Is there about
12 Volts DC at the
fan terminals?
Are the 3 secondary voltages
present on (T AUX) Auxiliary
Transformer
(0-9V/0-12V/0-28V)?
YES
NO
Change
PCB 4
NO
NO
NO
NO
YES
YES
YES
YES
Go to
point
A
Is 230/240Vac
voltage present
between the
terminals JA and
JB of PCB 2 ?
Go to
point
B
Change PCB 2.
Does this solve the
problem?
Replace the
f
OK
Switch off the MTS 160 and open
the wire feed door. Check the
safety switch,ocking the switch.
Check the integrity of the switch
contacts, of the thermostat and of
their respective wiring.
Change PCB 4.
Does this solve the
problem?
Change
PCB 2
Change PCB 3.
Does this solve the
problem?
Change
PCB 4
YES OK
NO
Go to
point
C
Are the 3 secondary
voltages present on T
AUX
(0-9V/0-12V/0-28V)?
Go to
point
D
Disconnect the motor
from the PCB 3 and then
connect it to a 12Vdc car
battery. Does the motor
run?
NO
YES
Replace the
motor group
and drive
Go to
point
A
YES
NO
Trouble Shooting Guide – HTP MTS 160
24