Lincoln Electric GX 271 - Manual (Page 42)

GX 271 Chopper
E-3 TROUBLESHOOTING E-3
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 Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENTS(S)
RECOMMENDED
COURSE OF ACTION
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.
Engine does not develop full power.
1. Idler switch in High idle position.
2. External load on welder or auxil-
iary power.
3. Faulty PC board or idler solenoid.
1. Poor work lead connection to
work.
2. "Welding Terminals" switch is in
wrong position.
3. Faulty PC board. Low idle speed
set too low.
1. Auxiliary power load is less than
100 watts.
2. Faulty PC board.
1. Fuel filter clogged.
2. Air filter clogged.
3. Fouled spark plugs.
4. Valves out of adjustment.
1. Set switch to Auto.
2. Remove all external loads.
3. Contact your Local Lincoln Authorized
Field Service Facility for technical
troubleshooting assistance.
1. Make sure work clamp is tightly con-
nected to clean base metal.
2. Set to "Always On" when welding with-
out a welding terminal control cable.
Refer to Operations chapter for proper
use of this switch.
3. Contact your Local Lincoln Authorized
Field Service Facility for technical
troubleshooting assistance.
1. Idler may not respond with less than a
100 watt load. Set idler to "High".
2. Contact your Local Lincoln Authorized
Field Service Facility for technical
troubleshooting assistance.
1. Replace.
2. Clean or replace.
3. Clean or replace.
4. Contact authorized engine service
shop.