Lincoln Electric POWER WAVE C300 CE Operator's Manual page 63

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PROBLEMS
(SYMPTOMS)
Thermal LED is ON
Thermal LED is ON
"Real Time Clock" no longer func-
tioning
General degradation of weld perfor-
mance
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
POSSIBLE
Improper fan operation
Basic Machine Problems (Continued)
1. Improper fan operation.
2. Open thermostat circuit.
1. Control PC Board Battery.
Weld and Arc Quality Problems
1. Wire feed problem.
2. Cabling problems.
3. Loss of, or improper Shielding
Gas.
4. Verify weld mode is correct for
process.
5. Machine calibration.
6. Wire feed problem.
POWER WAVE® C300 CE
CAUSE
1. Check for proper fan operation.
2. Check for broken wires, open
1. Replace the battery (Type:
1. Check for feeding problems. Make
2. Check for bad connections,
NOTE: The presence of heat in the
external welding circuit indicates
poor connections or undersized
cables.
3. Verify gas flow and type are cor-
4.Select the correct weld mode for
5. The power source may require
6. Check for feeding problems. Make
CAUTION
RECOMMENDED
COURSE OF ACTION
Fan should run in a low speed
setting when the machine is idle
and in a high speed when the
output is triggered. Check for
material blocking intake or
exhaust louvers, or for excessive
dirt clogging cooling channels in
machine.
connections or faulty thermostats
in the thermostat circuit.
BS2032)
sure proper gear ratio has been
selected.
excessive loops in cable, etc.
rect.
the application.
calibration. (current, voltage,
WFS).
sure proper gear ratio has been
selected.
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