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TROUBLESHOOTING AND REPAIR | ||||
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| INTERNAL DIAGNOSTICS (Continued) |
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| LED | Definition | Normal Status Conditions |
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| L1 | ON [Green] |
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| L2 | +15VDC supply by 15.14.316 for 15.14.316 logic part | ON [Green] |
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| L3 | +5VDC supply by 15.14.316 for 15.14.316 logic part | ON [Green] |
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| L4 | +24VDC supply by 15.14.316 for power front panel | ON [Green] |
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| L5 | +48VDC supply by 15.14.316 for power front panel | ON [Green] |
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| L6 | ON [Green] |
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| L7 | +15VDC supply by 15.14.316 for 15.14.316 UPFR | ON [Green] |
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| L8 | Output power enabled (See “pot signal” & LED | STICK: ON [Green] |
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| “Output”) | TIG: ON (torch trigger pulled) |
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| L9 | Thermal Alarm | OFF = OK |
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| ON = ALARM [Red] |
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| L10 | UPFR on | Brightness proportional with |
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| actual output current. |
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| L11 | Gate MOS 11 active (output power enabled) | STICK: ON [Green] |
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| TIG: ON (torch trigger pulled) |
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| L12 | Gate MOS 12 active (output power enabled) | STICK: ON [Green] |
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| TIG: ON (torch trigger pulled) |
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| L13 | Gate MOS 16 active (output power enabled) | STICK: ON [Green] |
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| TIG: ON (torch trigger pulled) |
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| L14 | Gate MOS 15 active (output power enabled) | STICK: ON [Green] |
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| TIG: ON (torch trigger pulled) |
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