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E-2
TROUBLESHOOTING
E-2
POWER WAVE® AC/DC 1000
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.
CAUTION
Observe all Safety Guidelines detailed throughout this manual
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Major physical or electrical damage
is evident when the sheet metal
covers are removed.
Input fuses keep blowing.
Machine will not power up (no
lights)
1. Contact your local authorized
Lincoln Electric Field Service
facility for technical assistance.
1. Improperly sized input fuses.
2. Improper Weld Procedure
requiring output levels in
excess of machine rating.
3. Major physical or electrical
damage is evident when the
sheet metal covers are
removed.
1. No Input Power.
2. Circuit breaker CB4 (in recon-
nect area) may have tripped.
Power Down and Reset CB4.
3. Input voltage selection made
improperly.
1. Contact your local authorized
Lincoln Electric Field Service
facility for technical assistance.
1. Make sure fuses are properly
sized. See Installation section
of this manual for recom-
mended sizes.
2. Reduce output current, duty
cycle, or both.
3. Contact an authorized Lincoln
Electric Service facility.
1. Make sure input supply dis-
connect has been turned ON.
Check input fuses. Make cer-
tain that the Power Switch
(SW1) on the power source is
in the "ON" position.
2. Power Down and Reset CB4.
3. Power down, check input volt-
age reconnect according to
diagram on reconnect cover.
(Qualified person should
perform this operation)