Troubleshooting - Lincoln Electric POWER WAVE IM716 Operator's Manual

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TROUBLESHOOTING GUIDE
PROBLEMS
(SYMPTOMS)
Major physical or electrical damage
is evident when the sheet metal
covers are removed.
Input fuses keep blowing, or input
breaker keeps tripping.
Machine will not power up (no
lights, no fan, etc.)
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con-
tact your local authorized Lincoln Electric Field Service Facility for technical assistance.

TROUBLESHOOTING

Observe all Safety Guidelines detailed throughout this manual
POSSIBLE AREAS OF
MISADJUSTMENT(S)
OUTPUT PROBLEMS
1. Contact your local authorized
Lincoln Electric Field Service
facility for technical assis-
tance.
1. Make certain that fuses or
breakers are properly sized.
See Installation section of this
manual for recommended
fuse and breaker sizes.
2. Welding procedure is drawing
too much output current, or
duty cycle is too high.
Reduce output current, duty
cycle, or both.
3. There is internal damage to
the power source. Contact an
authorized Lincoln Electric
Service facility.
1. Make certain that the Power
Switch (SW1) is in the "ON"
position.
2. Circuit breaker CB4 (in recon-
nect area) may have opened.
Reset. Also, check input volt-
age selection, below.
3. Input voltage selection made
improperly. Power down,
check input voltage reconnect
according to diagram on
reconnect cover.
CAUTION
POWER WAVE 455/STT
Observe Safety Guidelines
detailed in the beginning of this manual.
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas
of misadjustments have been
checked and the problem persists,
contact your local Lincoln
Authorized Field Service Facility.
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