Lincoln Electric IM889-A manual Faulty control cable. Repair or

Models: IM889-A

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E-5

TROUBLESHOOTING

E-5

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

No welding power output.

1. Poor work lead connection to

0

 

 

 

 

work. Make sure work clamp is

 

 

 

 

 

tightly connected to clean base

 

 

 

 

 

metal.

 

 

 

 

2.

"Weld Terminals" switch in wrong

 

 

 

 

 

position. Place switch in "Weld

 

 

 

 

 

Terminals On" position when

 

 

 

 

 

welding without control cable.

 

 

 

 

3.

Faulty PC board or welder alterna-

 

 

 

 

 

tor.

 

 

 

 

 

 

 

Welder has output but no control.

1. Poor remote/control cable connec-

 

 

 

 

 

tion to 6-pin or 14-pin connector.

 

 

 

 

 

Check connections.

 

 

 

 

2.

Faulty remote cable or faulty wire

 

 

 

 

 

feeder or wire feeder cable.

 

 

 

 

 

Replace if necessary.

 

 

 

 

3.

Faulty control potentiometer or PC

 

 

 

 

 

board.

 

 

 

 

 

 

If all recommended possible

areas

 

 

 

 

Wire feeder does not work when

1. Wire Feeder Power circuit breaker

of misadjustment have

been

control cable is connected to 14 pin

 

open. Check 42V beaker and

checked and the problem persists,

connector.

 

reset if tripped.

Contact your local Lincoln

 

 

2.

Faulty control cable. Repair or

Authorized Field Service Facility.

 

 

 

replace cable.

 

 

 

 

3.

Faulty wire feeder. Replace wire

 

 

 

 

 

feeder.

 

 

 

 

 

 

 

No auxiliary power.

1. Open circuit breakers. Reset

 

 

 

 

 

breakers. If breakers keep trip-

 

 

 

 

 

ping, reduce power draw.

 

 

 

 

2.

Faulty connections to auxiliary

 

 

 

 

 

receptacles. Check connections.

 

 

 

 

3.

RCD tripped. Clear any ground

 

 

 

 

 

fault and reset RCD circuit by

 

 

 

 

 

pressing "Reset" button.

 

 

 

 

4.

Faulty PC board or welder alterna-

 

 

 

 

 

tor.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

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Lincoln Electric IM889-A manual Faulty control cable. Repair or