Troubleshooting and repair, Caution – Lincoln Electric INVERTEC SVM161-A User Manual
Page 45
FUNCTION PROBLEMS
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
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.
CAUTION
No or low output. Error code “E11”
is flashing on the digital display.
1. “E11” is an indication that the
input voltage being applied is too
high. Check for the correct input
voltage. 230VAC or 115VAC.
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.
No or low output. Error code “E12”
is flashing on the digital display.
1. “E12” is an indication that the
input voltage being applied is too
low. Check for the correct input
voltage. 230VAC or 115VAC.
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.
No output. Error code “E10” is
flashing on the digital display. The
thermal indicator light is on.
1. The welding application may be
exceeding the recommended
duty cycle.
2. Dirt and dust may have clogged
the cooling channels inside the
machine.
Refer
to
the
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.
1. One of the thermal devices may
be faulty. Check and replace if
necessary. See the Wiring
Diagram.
2. The Main IGBT Inverter Board
may be faulty.
TROUBLESHOOTING AND REPAIR
F-5
F-5
INVERTEC® V205-T AC/DC™