21
11 TROUBLE SHOOTING
Abnormality
Checking Point
Power lamp does not turn on
if power switch is turn on.Also,
cooling fan does not rotate.
·
Power supply is not connected.
·Fuse in switch box is blown.
·Power fuse(5A) is blown.
·Fuse 2 or 3 is blown.Contact manufacture's agent
because circuit components may be damaged.
Water/Temp./Input overvoltage
warning lamp lights.
·
Shortage of the torch cooling water.
·
Machine is operating at a current and duty
cycle above the rated value.
·
Supply voltage is not suitable.
·
Supply voltage fluctuates extremely.
Input current warning lamp turn
on
·
Contact man facture's agent in cases other
than the above because of possible
main circuit trouble.
The output side overvoltage
warning lamp is Iit.
·
The output cable at the time of AC TIG
welding or MIX TIG is coiled too
small. (Lay the output side cable in
an uncoiled condition as much as
practicable or coil in large loops.)
High frequency and arc does
not generate.
·
Welding method control switch is set to stick
welding.
·
The torch switch plug socket is not connected.
Arc is not generated while high
voltage is
generated.
·
Base metal side cable is not connected or
connection is not effective.
·
Distance between torch electrode and base metal
is
too long.
Arc is not generated at
the time of stick welding
·
The welding method control switch is not set
to "Stick welding".
·
The torch selector switch is not set to "Air".
Shielding gas does not flow.
·The hose is kinked.
·
Gas valve is malfunctioning.
Shielding gas keeps flowing
and does not stop.
·
Gas valve is malfunctioning.
N.BContact manufacture's agent if any abnormality occurs which does not correspond to
the above Troubleshooting Guide.
Содержание YC-500WX
Страница 2: ......
Страница 20: ...13 ...
Страница 21: ...14 ...
Страница 30: ...23 12 CIRCUITDIAGRAM ...
Страница 31: ...24 13 PARTS LAYOUT DRAWING ...
Страница 34: ...27 15 OUTLING DRAWING ...
