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Troubleshooting – Lincoln Electric IM980 RED-D-ARC EX350ie (CE) User Manual

Page 23

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TROUBLESHOOTING

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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 Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

CAUTION

EX350ie (CE) (RED-D-ARC)

Fault Codes

Code Description

Corrective Action

31

Primary over current.

If condition persists

The machine needs to

contact an authorized

be turned off and back

Field Service Shop on to reset the machine.

32

CAP bank A under voltage.

Check input power

Self-clearing as

33

CAP bank B under voltage.

reconnect to make sure

condition ceases.

34

CAP bank A over voltage.

the machine is connected

35

CAP bank B over voltage.

for the input power being

37

Soft start Failed.

supplied.

Cycle power.

39

Glitch on the primary over

Check the machine

Self-clearing as

current fault interrupt; possibly

ground.

condition ceases.

caused by noise or a signal level

If problem persists

(misc. hardware fault #1)

contact an authorized
Field Service Shop

43

CAP delta; CAP A and B are out

Check input power

of balance.

reconnect to make sure
the machine is
connected for the input
power being supplied.

44

Main CPU problem. The DSP

Check the machine

has detected a problem with the

ground.

CPU.

47

Glitch on the CAP/heart beat

If problem persists

interrupt; possibly caused by

contact an authorized

noise or a signal level right at

Field Service Shop

the trip threshold.
(misc. hardware fault #2)

48

The main contactor opened

If condition persists

Self-clearing

unexpectedly. (misc. hardware

contact an authorized

fault #3)

Field Service Shop

"bad The selected weld mode does

If condition persists

Press the Mode

nodeʼ not exist in the weld table that is

contact an authorized

Select button to

“####” presently loaded in the machine.

Field Service Shop

select a different
mode