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CWS
−
D100
−
B Welding System
Troubleshooting
2005 Swagelok Company, all rights reserved
September 2005
7-3
Power Supply
Symptom
Cause
Remedy
Front panel
current/voltage digital
di
l
bl
k
The circuit breaker
is off.
Turn on
circuit breaker.
g
g
displays are blank.
The power supply
line cord is not
plugged in.
Plug power cord into
the wall outlet.
STOP/RESET
has
been pushed
with no weld
head connected.
Press
STOP/RESET
again.
The replaced or new
ceramic fuse fails
immediately when
power is turned on.
Internal
component failure
Call for service.
Power supply fan
does not operate.
Internal
component failure
Call for service.
A status indicator
light does
not function.
Burnt out
indicator light
Use test mode
described in
Section 3,
Operation,
to isolate the
problem. Call for
service if the light
is faulty.
Internal
component failure
Pushbutton does
not function.
Dirty
electrical contacts
Use test mode
described in
Section 3,
Operation,
to verify switch
operation. Call for
service if the
pushbutton switch
is faulty.
Switch failure
Note:
The circuit breaker is of the
type that must be reset if it trips.
Reset the breaker by setting it to
the OFF position before turning
it on.