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4-4.
Troubleshooting
Trouble
Remedy
No weld
output;
unit
completely mop-
erative.
Place line disconnect switch in On
position (see
Section
2-9).
Check fuse
Fl,
and
replace
if
necessary
(see
Section
4.3).
Check and
replace
line
fuse(s),
if necessary,
or
reset
circuit breaker
(see
Section
2-9).
Check for proper
input
powe ,~onnections
(see
Section
2-9).
Check for proper
jumper
link
position (see
Section
2-9).
No weld
output;
Power switch
on;
fan
on.
If
using
remote
control,
place
Output (Contactor)
switch in Remote 17/14
position,
and
connect
remote
control
to
Remote
14
or
Remote
17
receptacle (see
Sections
2-5 and
2-6).
If
remote
is
not
being
used,
place Output (Contactor)
switch in On
position.
Check,
repair,
or
replace
remote
control.
Unit overheated. Allow unit
to
cool with fan On
(see
Section
3-3).
Have
Factory
Authorized Service Station/Service Distributor check unit.
Low weld
output
with
no
control.
.
Check
position
of A
~ieNoItage
Control switch.
Have
Factory
Authe
-3r~.;~e
Station/Service Distributor check
control board PCi.
Limited
output
and low
open-circuit
voltage,
Check
incoming
power
ior
correct
voltage.
Check and
replace
line
fuse(s),
if necessary,
or
reset
circuit breaker
(see
Section
2.9).
Check for proper
jumper
link
position (see
Section
2-9).
Check for proper
input
and
output
connections
(see
Section
2-9).
Erratic
or
improper
weld
output.
Use
proper
size and
type
of weld cable
(see
Section
2-3).
Clean and
tighten
all weld connections.
Check for proper
input
and
output
connections
(see
Section
2-9).
Replace
electrode.
Remote device
completely
inoperative.
.
Check
remote
control connections
(see
Sections
2-5 and
2-6).
If remote device connected
to
Remote 14
receptacle,
reset circuit breaker
CB1, CB2,
and/or CB3
(see
Section
4-3)
If remote device connected to Remote 17
receptacle,
check
fuses F3 and/or F4 and
replace
If need
ed
(see
Section
4-3).
Fan
not
operating.
Check for and
remove
anything blocking
fan movement.
Have
Factory
Authorized Service Station/Service D:.~iibutor check
fan
motor.
No 115 volts
ac
output
at
Remote
14
receptacle.
Reset circuit breaker CB1
(see
Section
4-3).
No 24 volts
ac
output
at
Remote 14
receptacle.
Resetcircuit breaker CB2
(see
Section
4-3).
No 115 volts
ac
output
at
twistlock
receptacle.
Reset circuit breaker CB3
(see
Section
4-3).
OM-167 302
Page
13
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Table of Contents
Troubleshooting
