Symptoms, Major physical or electrical damage is evident, Troubleshooting and repair – Lincoln Electric EAGLE SVM192-A User Manual
Page 40: Caution
OUTPUT PROBLEMS
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely,
contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed.
Call 1-888-935-3877.
CAUTION
Major Physical or Electrical Damage
is Evident.
1. Contact
your
local
Lincoln
Authorized Field Service Facility.
1. Contact
The
Lincoln
Electric
Service Dept. 1-888-935-3877.
No weld output and no auxiliary
power. Engine runs normally.
1. Check the brushes for wear and
proper contact to the rotor slip
rings.
1. Perform the
2. Check
for
the
presence
of
12VDC (at the pc board) from
lead #216 to frame ground. This
is the “flashing” voltage and is
present only when the Start,
Run, Stop switch S3 is in the
“Start” position. If the 12 VDC is
missing check the leads, switch-
es and connections associated
with the lead #216. See
Check for the presence of 12
VDC (at the pc board) from lead
#224 to frame ground.
This is
the supply voltage to the board
and is present when the engine
is running and the S3 switch is in
the “Run” position. If the 12VDC
is
missing
check
the
leads,
switches and connections asso-
ciated with the lead #224.
See
3. If Rotor Voltage Test is normal,
then
preform
the
4. If the Rotor Voltage Test is NOT
normal, perform the
Test. Then check the Field
Diode Bridge (D2) and the Field
Capacitor (C1).
Replace if nec-
essary.
If the Field Bridge and
Field Capacitor are good, then
the Printed Circuit Board may be
faulty. Replace.
TROUBLESHOOTING AND REPAIR
F-4
F-4
EAGLE™ 10,000