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Observe all Safety Guidelines detailed throughout this manual
PROBLEMS
(SYMPTOMS)
Engine will not idle down to low
speed.
Engine will not go to high idle when
attempting to weld.
Engine will not go to high idle when
using auxiliary power.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local
Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
TROUBLESHOOTING
POSSIBLE AREAS OF
MISADJUSTMENTS(S)
FUNCTION PROBLEMS
1. Idler switch in High idle position.
Set switch to Auto.
2. External load on welder or auxil-
iary power. Remove all external
loads.
1. Poor work lead connection to
work. Make sure work clamp is
tightly connected to clean base
metal.
2. "Welding Terminals" switch is in
wrong position. Set to "WELD
TERMINAL ON" when welding
without a welding terminal control
cable. Refer to Operations chap-
ter for proper use of this switch.
1. Auxiliary power load is less than
100 watts. Idler may not respond
with less than a 100 watt load.
Set Idler to "High"
CAUTION
COMMANDER 500
RECOMMENDED
COURSE OF ACTION
Contact your Local Lincoln Authorized
Field Service Facility for technical
troubleshooting assistance.
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Troubleshooting
