E-3

TROUBLESHOOTING

E-3

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF MISADJUSTMENTS(S)

RECOMMENDED

COURSE OF ACTION

C. Engine will not go to high idle

1.

Poor work lead connection to

1.

Make certain work clamp is tightly

when attempting to weld.

 

work.

 

connected to clean base metal.

 

2.

No voltage signal from the

2.

Check for disconnected or broken

 

 

current sensor.

 

leads in idler sensing circuit.

 

3.

No open circuit voltage on

3.

Check generator output.

 

 

output studs.

 

 

 

4.

Faulty P.C. Board.

4.

Replace P.C. Board with

 

 

 

 

known good one.

 

5.

Insufficient voltage present between 5.

Check for proper connection of

 

 

terminals #253 and #5G (Volatge

 

leads.

 

 

should be 12 V DC)

 

 

 

6.

Faulty wiring in solenoid circuit.

6.

Check for broken or loose leads

 

 

 

 

#5G and #253.

 

 

 

 

 

D. Engine will not go to high idle

1.

No voltage signal from the

1.

Check for disconnected or broken

when using auxiliary power.

 

current sensor.

 

leads in idler sensing circuit.

 

2.

Auxiliary power load less than

2.

Idler may not function with less

 

 

100 to 150 watts.

 

than 100 to 150 watt load. Set

 

 

 

 

idler switch to high idle.

 

3.

Faulty P.C. Board

3.

Replace P.C. Board with known

 

 

 

 

good one.

 

4.

Insufficient voltage present between 4.

Check for proper connection of

 

 

terminals #253 and #5G (Volatge

 

leads.

 

 

should be 12 V DC)

 

 

 

5.

Faulty wiring in solenoid circuit.

5.

Check for broken or loose leads

 

 

 

 

#5G and #253.

 

 

 

 

 

E. Engine will not crank or is

1.

Battery will not hold a charge.

1.

Replace with known good one.

hard to crank.

 

Faulty Battery.

 

 

 

2.

No or insufficient charging

2.

Check the connection of the

 

 

current.

 

lead from the voltage regulator

 

 

 

 

on the engine to the charging

 

 

 

 

ammeter and the battery.

 

3.

Loose battery cable

3.

Check and tighten connection

 

 

connection(s).

 

at battery, at starter, at engine

 

 

 

 

foot, or at frame.

F.Engine shuts down.

1.Out of fuel.

1.Add fuel.

CAUTION

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.

RANGER 8+ DIESEL

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Lincoln Electric IM612 manual Engine will not go to high idle Poor work lead connection to