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E-6
TROUBLESHOOTING
E-6
TOMAHAWK™ 625
Observe all Safety Guidelines detailed throughout this manual
STATUS BOARD INDICATORS
SYMPTOM
When trigger is pulled Red output LED is
Blinking or steady with no air flow.
The Green, Red and Yellow LED’s are lit
and steady. Indicates safety circuit is open.
The Thermal LED is lit.
When the trigger is pulled the Red and
Yellow LED’s are blinking together and the
Green light is on.
When the trigger is pulled the Red LED is lit,
air flows and no pilot arc occurs.
The Red and Yellow LED’s are blinking
alternately.
When the trigger is pulled no air flows, Red
LED is lit, no pilot arc. Then LED goes out.
CHECK
1. Make sure there is at least 80 psi connected to the gas connec-
tion at the back of the machine.
2. Turn the output knob to the purge zone and set the regulator to
the correct pressure. The pressure 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 Inverter board.
1. Turn the power OFF and then ON. If torch and consumables are
properly installed and they are the correct parts, the Red and
Yellow LED’s should turn off. Normal cutting or gouging can
resume.
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 Inverter board.
1. Check that nozzle and swirl ring are properly installed and they
are the correct parts. Note: Swirl ring can only go in one way.
2. Input voltage is too low and /or air pressure is set too high.
Lower air pressure.
1. Check that swirl ring is properly installed.
Note: Swirl ring can only go in one way.
1. The torch safety circuit has been opened, when reconnected this
condition should correctly reset automatically.
1. Check that the pressure gauge shows pressure.
Air supply may not be connected or properly installed.