Troubleshooting Guide - Lincoln Electric WELDANPOWER 125 IM530-C Operator's Manual

Lincoln electric welder user manual

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Table Of Contents

Table of Contents

Observe Safety Guidelines

detailed in the beginning of this manual.

PROBLEMS

(SYMPTOMS)

Major Physical or Electrical

Damage is Evident.

No generator power or welding

output.

Generator power is available

but unit will not weld.

Unit will weld but low or no

generator power is available.

No auxiliary power but machine has

weld output

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.

TROUBLESHOOTING

POSSIBLE AREAS OF

MISADJUSTMENT(S)

OUTPUT PROBLEMS

1. Contact your local Lincoln

Authorized Field Service Facility

1. Check brushes for wear. See

Maintenance section.

2. Check for loose or faulty

connections at brush holders.

3. Open lead in flashing or field

circuit.

4. Rheostat (R1) lead broke.

5. Dirty slip rings.

6. Faulty rheostat (R1).

7. Faulty field bridge rectifier (D1).

8. Faulty field capacitor (C1).

9. Faulty stator field winding.

10. Faulty rotor.

1. Loose connection to output stud.

2. Work not connected.

3. Electrode holder loose.

4. No open circuit voltage at output

studs. Open lead in weld circuit.

5. Faulty output bridge rectifier.

6. Faulty choke (L1).

1. Circuit breaker is open.

2. Loose or open connection with

electrical plug-in component.

3. Current control dial not at "MAX"

4. No open circuit voltage at

receptacle.

1. Check CB1 and CB2 - Reset if

tripped.

CAUTION

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