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E-4
Code Description
31
Primary over current.
32
CAP bank A under voltage.
33
CAP bank B under voltage.
34
CAP bank A over voltage.
35
CAP bank B over voltage.
37
Soft start Failed.
39
Glitch on the primary over
current fault interrupt; possibly
caused by noise or a signal level
(misc. hardware fault #1)
43
CAP delta; CAP A and B are out
of balance.
44
Main CPU problem. The DSP
has detected a problem with the
CPU.
47
Possible erroneous electrical
noise on Voltage/Frequence
capacitor feed back circuit.
(misc. hardware fault #2)
48
The main contactor opened
unexpectedly. (misc. hardware
fault #3)
"bad The selected weld mode does
nodeʼ not exist in the weld table that is
"####" presently loaded in the machine.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
Fault Codes
If condition persists
contact an authorized
Field Service Shop
Check input power
reconnect to make sure
the machine
is connected for the input
power being supplied.
Check the machine
ground.
If problem persists
contact an authorized
Field Service Shop
Check input power
reconnect to make sure
the machine is
connected for the input
power being supplied.
Check the machine
ground.
If problem persists
contact an authorized
Field Service Shop
If condition persist
contact an authorized
Field Service Shop
If condition persists
contact an authorized
Field Service Shop
CAUTION
EX350i
E-4
Corrective Action
The machine needs to
be turned off and back
on to reset the machine.
Self-clearing as
condition ceases.
Cycle power.
Self-clearing as
condition ceases.
Self-clearing
Press the Mode
Select button to
select a different
mode
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