Miller Electric Metro 300DX Welding System User Manual


 
Remedy
Clean
and
tighten
weld
output
connections
inside
and
outside
unit.
Use
dry,
properly-stored
electrodes.
Be
sure
connection
to
work
piece
is
clean
and
tight.
Have
Factory
Authorized
Service
Agent
check
brushes,
slip
rings,
main
rectifier,
integrated
rectifier
SR3,
and
capacitor
C5.
at
Remote
14
re-
Place
Remote
Output
(Contactor)
switch
S6
in
Remote
14
position
(see
Section
3-2).
.
Reset
circuit
breaker
CB5
(see
Section
5-6).
Power
Remedy
power
Reset
ground
fault
circuit
interrupter
GFCI1
(see
Section
4).
Reset
circuit
breakers
(see
Section
4).
Check
receptacles
for
continuity
and
proper
connections.
Replace
receptacle(s)
if
necessary.
Check
fuses
F2
and
F3,
and
replace
if
necessary
(see
Section
5-6).
Disconnect
equipment
from
receptacles.
Have
Factory
Authorized
Service
Agent
check
brushes,
slip
rings,
relay
CR5,
and
relay
CR6.
receptacles.
Check
fuses
F2
and
F3,
and
replace
if
necessary
(see
Section
5-6).
Check
and
adjust
engine
speed
(see
Section
5-5).
Tune-up
engine
according
to
engine
manual.
Have
Factory
Authorized
Service
Agent
check
brushes,
slip
rings,
and
integrated
rectifier
SR3.
receptacles.
Check
and
adjust
engine
speed.
receptacles.
Check
receptacle
wiring
and
connections.
Have
Factory
Authorized
Service
Agent
check
brushes,
slip
rings,
and
integrated
rectifier
SR3.
~i~d*~.
.
Trouble
Remedy
Engine
does
not
crank.
Reset
circuit
breaker
CBS
(see
Section
5-6).
Check
battery,
and
replace
if
necessary.
Check
Engine
Control
switch
Si
and
replace
if
necessary.
Check
engine
charging
and
starting
systems
according
to
engine
service
manual.
Engine
cranks
but
does
not
start.
~
Check
fuel
level
(see
Section
2-6).
Reset
circuit
breaker
CB6
(see
Section
5-6).
I
Check
oil
level.
Engine
stops
if
oil
pressure
gets
too
low
(see
Section
2-6).
I
If
equipped
with
glow
plug
(optional),
reset
circuit
breaker
CB9
(see
Section
5-6).
Check
Engine
Control
switch
Si,
and
replace
if
necessary.
OM-156
368
Page
19