38
OTHER TROUBLE AND ERROES
When output suddenly stops during welding(while arc is being produced)
D
Other Errors
E
○When the wire gets stuck to the chip or base metal
Is the Warn. Indicator
lamp [22] turned on?
YES
NO
Is
the
wire
fed
by
turning on the torch
switch?
Has the chip melted
and stuck to the wire?
Is the feed roller of
the
wire
feeder
damaged?
Is the conduit tube
clogged.
Following
“
When
the
Warn.
indicator
lamp
goes on [A]
”
to make a
check.
Follow the check flow
chart [C] to make a
check.
YES
Follow the check flow
chart [C] to make a
check.
NO
NO
○When output cannot be
adjusted
When the torch switch is turned on, does the
voltmeter
’
s needle swing?
Check the wire feeder
for its connection.
Is it not snapped?
Is SIMPLE UNIFIED/
INDIVIDUAL properly
selected?
Ask
our
office
for
examination/repair.
When the torch switch is turned on, does the
voltmeter
’
s needle swing?
Is the welding condition
appropriated?
When it gets stuck to the chip, decrease the
welding voltage, and when it gets stuck to the
base metal, increase it.
Is the chip worn out?
For sticking of the wire at the end of welding, adjust
with the control VR5 on the printed circuit board.
When sticking to the chip --- Turn left
When sticking to the base metal --- turn right
Replace the chip.
YES
YES
YES
YES
NO
NO
Summary of Contents for YD-500KR
Page 45: ...CIRCUITDIAGRAM ...
Page 46: ...44 OUTSIDE DRAWING W D H YD 500KR2 436 675 762 ...
