E-6

 

TROUBLESHOOTING

E-6

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

 

STATUS BOARD INDICATORS

 

 

 

 

 

 

 

 

SYMPTOM

 

 

CHECK

 

 

 

 

The Air Low LED is lit

 

1. Make sure there is at least 80 psi connected to the gas connec-

 

 

 

 

tion at the back of the machine.

 

 

 

 

2.

Press the Purge button and set the regulator to 55 psi. The pres-

 

 

 

 

sure may increase when air stops flowing but this is normal. Do

 

 

 

 

not reset the pressure while the air is OFF.

 

 

 

 

3.

Possible faulty Pressure Switch.

 

 

 

 

4.

Possible faulty Control board.

 

 

 

 

The Safety LED is lit and steady

 

1. Turn the power OFF and then ON. If torch and consumables are

 

 

 

 

properly installed, the Safety LED should turn off. Normal cutting

 

 

 

 

or gouging can resume.

 

 

 

 

The Thermal LED is lit

 

1. The machine's thermostat has tripped due to exceeded duty

 

 

 

 

cycle limits. Do NOT turn the power off. Allow the machine to

 

 

 

 

cool for 15 - 30 minutes and the thermostat will reset itself.

 

 

 

 

2.

The machine's air louvers or fans are obstructed such that air

 

 

 

 

cannot flow to properly cool the machine. Remove any foreign

 

 

 

 

material that may block air flow. Blow the machine out with a

 

 

 

 

clean, dry air stream.

 

 

 

 

3.

The input voltage is not within ±10% of rated values.

 

 

 

 

4.

Possible faulty Control board.

 

 

 

 

 

 

 

PRO-CUT 25

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Image 25
Lincoln Electric IM665 manual Symptom Check