E-7

TROUBLESHOOTING

E-7

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF MISADJUSTMENTS(S)

RECOMMENDED

COURSE OF ACTION

CONSUMABLE RELATED SAFETY LED

If the Safety LED is LIT AND STEADY, perform the following:

Press the reset button. If the torch

1.

If the reset button (when pressed)

 

and consumables are properly

 

does not turn the Safety LED off,

 

installed, the Safety LED should turn

 

the reset button or associated

 

off.

 

wiring may be faulty. See the

 

 

 

wiring diagram.

 

 

 

 

 

Try to recount the number of times

1.

If this has occurred numerous

 

that the Safety LED has come on lit

 

times, clean consumables with a

 

and steady with this particular set of

 

piece of fine emery cloth to

 

consumables.

 

remove any oxide buildup on the

If all recommended possible areas of

 

 

tip of the electrode, or try replac-

misadjustment have been checked

 

 

ing the electrode and nozzle.

and the problem persists, Contact

If the Safety LED is FLASHING, perform the following:

your local Lincoln Authorized

Check the condition of the electrode.

1.

Replace both electrode and noz-

Field Service Facility.

The maximum wear depth in the

 

zle if electrode is excessively

 

center of the electrode tip is approxi-

 

worn. Otherwise, use a piece of

 

mately .060" relative to the surround-

 

fine emery cloth to remove any

 

ing tip. A green and erratic arc will

 

oxide buildup on the tip of the

 

indicate definite electrode failure as

 

electrode. Even if consumables

 

explained in the "Consumable Life"

 

appear to be in good working

 

section of this manual.

 

order, it is possible that they are

 

 

 

the cause of the problem. Try

 

 

 

replacing.

 

 

 

 

 

Check the conditions of the inside of

1.

If debris has collected, rub the

 

the nozzle. Make sure that both the

 

electrode on the inside bottom of

 

electrode and nozzle are not dirty,

 

the nozzle to remove any oxide

 

oily, or corroded.

 

layer that may have built up. If

 

 

 

problems persist, try replacing

 

 

 

consumables.

 

 

 

 

NOTE: Make sure that consumables

Remove consumables from torch

1.

If torch head is contaminated, take

are Lincoln Electric brand consum-

and check inside of torch head for

 

a dry cotton swab and clean out

able parts. These parts are patented

contamination. Check incoming air-

 

the pollutants. If needed, replace

and using any other replacement

flow for contaminants.

 

air filter and check/change air sup-

consumables may cause damage to

 

 

ply. For more information, refer to

the torch or reduce cut quality. Also

 

 

the "Gas Input Connections" sec-

be sure to check that the nozzle is

 

 

tion in the manual.

the correct part number (as identified

 

 

 

Make sure there is a Lincoln PCT 80

1. After verifying that the torch and

on the top and side of the nozzle) for

torch connected properly to the Pro-

 

consumables are properly set in

the Pro-Cut being used.

Cut 55 and that the consumables are

 

place, and the problem still per-

 

properly installed. Make sure the

 

sists, contact your local Lincoln

 

shield cup is hand tight. Do not use pli-

 

Authorized Field Service Facility.

 

ers or over-tighten.

 

 

 

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.

PRO-CUT 55

Page 30
Image 30
Lincoln Electric IM595-A manual Your local Lincoln Authorized, Field Service Facility