E-6

TROUBLESHOOTING

E-6

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

TROUBLESHOOTING GUIDE

Observe Safety Guidelines detailed in the beginning of this manual.

PROBLEMS

 

POSSIBLE AREAS OF

 

RECOMMENDED

(SYMPTOMS)

 

MISADJUSTMENT(S)

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

 

 

 

 

 

 

 

 

 

 

 

 

 

Machine often noodle welds(out-

1.Secondary current limit has been

 

 

 

 

put is limited to approximately 100

 

 

exceeded, and the machine has

 

 

 

 

 

amps) when running a particular

 

 

phased back to protect itself.

 

 

 

 

 

procedure, especially a procedure

 

 

2. Adjust procedure or reduce load

 

 

 

 

 

with high WFS.

 

 

to lower current draw from the

 

 

 

 

 

 

 

 

machine.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Machine wont produce full output.

 

 

1. Input voltage may be too low,

 

 

 

 

 

 

 

 

limiting output capability of the

 

 

 

 

 

 

 

 

power source. Make certain that

 

 

 

 

 

 

 

 

the input voltage is proper,

 

 

 

 

 

 

 

 

according to the Rating Plate

 

 

 

 

 

 

 

 

located on the rear of the

 

 

 

 

 

 

 

 

machine.

 

 

 

 

 

 

 

 

2. Secondary current or voltage not

 

 

 

 

 

 

 

 

be properly calibrated. Check

 

 

 

 

 

 

 

 

values displayed on the Power

 

 

 

 

 

 

 

 

Feed 10/11 verses readings on

 

 

 

 

 

 

 

 

an external meter.

 

 

 

 

 

 

 

 

 

 

 

If all recommended possible areas

 

 

Auxiliary receptacle is deadno

 

 

1. Circuit breaker CB1 (on case

 

 

 

 

 

 

 

 

of misadjustments have been

 

 

auxiliary voltage .

 

 

front) may have opened. Reset.

 

 

 

 

 

 

 

 

checked and the problem persists,

 

 

 

 

 

2. Circuit breaker CB3 (in recon-

 

 

 

 

 

 

 

 

 

contact your local Lincoln

 

 

 

 

 

nect area) may have opened.

 

 

 

 

 

 

 

 

 

Authorized Field Service Facility.

 

 

 

 

 

Reset.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con- tact your local authorized Lincoln Electric Field Service Facility for technical assistance.

POWER WAVE 405

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Lincoln Electric IM746 manual Troubleshooting