Lincoln Electric IM10144 POWER WAVE S700 - Manual (Page 43)

E-5 TROUBLESHOOTING E-5
POWER WAVE ® S700
Observe all Safety Guidelines detailed throughout this manual
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
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Thermal LED is ON
Machine wonʼt produce full output.
Auxiliary receptacle is dead -- no
auxiliary voltage.
The Power Wave is triggered to
weld, but there is no output.
Improper fan operation
1. Input voltage may be too low, lim-
iting output capability of the power
source.
2. Input may be single phased.
3. Secondary current or voltage may
not be properly calibrated.
1. Circuit breaker CB2 (on case
back) may have opened.
2. Fuse F1 (in reconnect area) may
have opened.
1. Fuse F1 (in reconnect area) may
have opened.
1. Make certain that the input volt-
age is proper, according to the
Rating Plate located on the rear
of the machine.
2. Make certain the input voltage is
proper on all three input lines.
3. Check calibration.
1. Reset.
2. Replace.
1. Replace.
Basic Machine Problems (Continued)