Lincoln Electric INVERTEC SVM161-A Service Manual page 45

F-5
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
No or low output. Error code "E11"
is flashing on the digital display.
No or low output. Error code "E12"
is flashing on the digital display.
No output. Error code "E10" is
flashing on the digital display. The
thermal indicator light is on.
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.
TROUBLESHOOTING AND REPAIR
POSSIBLE AREAS OF
MISADJUSTMENT(S)
FUNCTION PROBLEMS
1. "E11" is an indication that the
input voltage being applied is too
high. Check for the correct input
voltage. 230VAC or 115VAC.
1. "E12" is an indication that the
input voltage being applied is too
low. Check for the correct input
voltage. 230VAC or 115VAC.
1. The welding application may be
exceeding the recommended
duty cycle.
2. Dirt and dust may have clogged
the cooling channels inside the
machine.
Maintenance Section in this
manual.
3. The air intake and exhaust lou-
vers may be blocked due in inad-
equate clearance around the
machine.
4. Make sure the cooling fan is
operating correctly.
CAUTION
INVERTEC® V205-T AC/DC™
COURSE OF ACTION
1. If the correct input voltage
230VAC or 115VAC is being
applied to the machine the Input
Filter Board may be faulty.
Perform the Input Filter Board
Test.
2. The Main IGBT Inverter Board
May be Faulty.
Main IGBT Inverter Board Low
Voltage Supply Test.
1. If the correct input voltage
230VAC or 115VAC is being
applied to the machine, the
Input Filter Board may be
faulty. Perform the Input Filter
Board Test.
2. The Main IGBT Inverter Board
May be Faulty. Perform the
Main IGBT Inverter Board
Low Voltage Supply Test.
1. One of the thermal devices may
be faulty. Check and replace if
necessary.
Diagram.
2. The Main IGBT Inverter Board
Refer to the may be faulty.
F-5
RECOMMENDED
Perform the
See the Wiring