E-7
TROUBLESHOOTING
E-7
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Authorized
Field Service Facility.
Observe Safety Guidelines
detailed in the beginning of this manual.
TROUBLESHOOTING GUIDE
PROBLEMS
(SYMPTOMS)
Machine has minimum output and
no control.
The machine does not have maxi-
mum weld output.
POSSIBLE AREAS OF
MISADJUSTMENT(S)
1.
If a remote control unit is NOT
connected to the terminal strip
#75, #76, and #77 terminals, or
is not connected to the 14 pin
MS receptacle the
LOCAL/REMOTE SWITCH
must be in the "Local" position.
2.
If a remote control cable is con-
nected to terminals #75, #76
and #77 or is connected to the
14 pin MS receptacle the leads
may be "shorted" to the posi-
tive weld output.
3.
Make certain the Three Phase
input voltage is correct and
matches the machine rating
and the reconnect panel.
1. Check all Three-Phase input
lines at the DC600. Make
sure input voltages match
machine rating and recon-
nect panel.
2. Put LOCAL/REMOTE
SWITCH (SW3) in "LOCAL"
position.
If problem is
solved then check remote
control unit or wire feeder.
3. Check for loose welding
cable connections.
RECOMMENDED
COURSE OF ACTION
OUTPUT PROBLEMS
DC-600
