Miller Gold Seal 5000 Manuale d'uso - Pagina 31
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4-4.
Troubleshooting
READ
SAFETY BLOCKS
at start
of
Section
4
before
proceeding.
Table 4-2.
Welding
Trouble
Table 4-3. Wire
Drive/Gun
Trouble
Welding
Trouble
No weld
output;
wire does not
fee~
-,
Remedy
Secure power cord
plug
in
receptacle.
Motor fuse Fl open,
replace
fuse.
Replace building
line fuse
or
reset circuit breaker if open.
Secure gun
trigger
leads
or
repair
leads,
or
replace trigger
switch.
No weld
output;
wire does not
feed;
fan
--
motor continues to run, and
pilot light
turns
off.
Section
-~
2-4
-~
~
--
--
-a
2-3
No weld
output;
wire
feeds.
Thermostat
TP1 open
(overheating).
Allow fan
to run;
the thermo
stat will
close when the unit has cooled.
---p.
4-lA
Low
weld
output.
Replace
contact tube.
Connect work
clamp
to
get good
metal-to-metal
contact.
H
Figure
3-2
4-3
-ru-~
Connect
unit to proper
input voltage
or
check for low line
voltage.
--L
2-4
Wire
Drive/Gun
Trouble
Remedy
Section
Electrode wire
feeding
stops
during
-~
-~
4-3
welding.
2-5
2-5
-~
4-3
-~
4-2,4-3
4.2
2-3
-~
4-lB
4-2,4-3
---~
--
Straighten
gun cable
and/or
replace damaged parts.
Adjust
drive roll pressure.
Readjust
hub tension.
Replace
contact tube if blocked.
Clean
or
replace
wire inlet
guide
or
liner
if
dirty
or
plugged.
Replace
drive roll
or
pressure
bearing
if
worn or
slipping.
Secure gun
trigger
leads
or
repair
leads,
or
replace trigger
switch.
Check
and
replace
Fl.
Check and clear any restrictions
at
drive
assembly
and liner.
Have nearest
Factory
Authorized
Service Station
check drive
motor.
OM-157 745
Page
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