| TROUBLESHOOTING |
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| Observe all Safety Guidelines detailed throughout this manual |
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| STATUS BOARD INDICATORS |
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| SYMPTOM |
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| CHECK |
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When trigger is pulled Red output LED is | 1. | Make sure there is at least 80 psi connected to the gas connec- |
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Blinking or steady with no air flow. |
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| tion at the back of the machine. |
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| 2. | Turn the output knob to the purge zone and set the regulator to |
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| the correct pressure. The pressure may increase when air stops |
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| flowing but this is normal. Do not reset the pressure while the air |
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| is OFF. |
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| 3. | Possible faulty Pressure Switch. |
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| 4. | Possible faulty Inverter board. |
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The Green, Red and Yellow LED’s are lit | 1. | Turn the power OFF and then ON. If torch and consumables are |
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and steady. Indicates safety circuit is open. |
| properly installed and they are the correct parts, the Red and |
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| Yellow LED’s should turn off. Normal cutting or gouging can |
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| resume. |
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The Thermal LED is lit. |
| 1. | The machine's thermostat has tripped due to exceeded duty |
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| cycle limits. Do NOT turn the power off. Allow the machine to |
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| cool for 15 - 30 minutes and the thermostat will reset itself. |
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| 2. | The machine's air louvers or fans are obstructed such that air |
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| cannot flow to properly cool the machine. Remove any foreign |
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| material that may block air flow. Blow the machine out with a |
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| clean, dry air stream. |
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| 3. | The input voltage is not within ±10% of rated values. |
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| 4. | Possible faulty Inverter board. |
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When the trigger is pulled the Red and | 1. | Check that nozzle and swirl ring are properly installed and they |
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Yellow LED’s are blinking together and the |
| are the correct parts. Note: Swirl ring can only go in one way. |
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Green light is on. |
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| 2. | Input voltage is too low and /or air pressure is set too high. |
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| Lower air pressure. |
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When the trigger is pulled the Red LED is lit, | 1. | Check that swirl ring is properly installed. |
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air flows and no pilot arc occurs. |
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| Note: Swirl ring can only go in one way. |
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The Red and Yellow LED’s are blinking | 1. | The torch safety circuit has been opened, when reconnected this |
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alternately. |
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| condition should correctly reset automatically. |
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When the trigger is pulled no air flows, Red | 1. | Check that the pressure gauge shows pressure. |
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LED is lit, no pilot arc. Then LED goes out. |
| Air supply may not be connected or properly installed. |
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TOMAHAWK™ 625
