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OUTPUT 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
The engine will not go to high
idle when the idle switch is
moved to the “High” position.
The idle system functions
normally while welding or using
auxiliary power. The engine
starts and shuts down normally.
The engine will not go to high
idle when striking an arc or when
using auxiliary power. The
engine goes to high idle, and the
weld and auxiliary power are
normal when the idle switch is in
the “High Idle” position. The
engine starts, runs, and shuts
down normally.
The engine will not go to high
idle when striking an arc. The
automatic idle system functions
normally when using auxiliary
power. Weld and auxiliary
power are normal when the idle
switch is in the “High Idle”
position. The engine starts,
runs, and shuts down normally.
Check that the welding cables
and the auxiliary power lead
connections are tight and in
good condition.
Check that the welding cables,
electrode holder, and work
clamp are tight and in good
condition.
This may be normal operation if
the machine has a Constant
Voltage adapter, and is
operating in CV mode. See the
operator’s manual for the
Constant Voltage Adapter.
For code 10856
The Idle switch may be
defective, or the insulation on
Lead #234 may be damaged.
For codes 11199 and 11408
The idle switch may be
defective, or there may be a
faulty connection between the
PC board, the idle switch, and
the chassis ground connection.
For Code 10856:
Wire #231 that connects the
solenoid to the idle/engine
protection PC board may be
grounded. Check for damaged
insulation and improper
connections.
The Idle/Engine Protection PC
board is probably faulty.
For Codes 11199 and 11408:
The Idle/Engine Protection PC
board is probably faulty.
The 2 CR Reed Relay, or the
wiring that connects it to the PC
board and chassis ground may
be faulty. The Reed relay
should close when sufficient
current is drawn from the weld
output terminals.
The Idle/Engine Protection PC
board may be faulty.
TROUBLESHOOTING AND REPAIR
F-18 F-18
SAE-400 SEVERE DUTY
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