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TROUBLESHOOTING & REPAIR
RETEST AFTER REPAIR (R3R 300)
Retest a machine:
•If it is rejected under test for any reason that requires you to remove any mechanical part which could affect the machine’s electrical characteristics. OR
•If you repair or replace any electrical components.
INPUT IDLE AMPS AND WATTS
Input Volts/Phase/Hertz | Maximum Idle Amps | Maximum Idle KW |
200/3/60 | 8.1 | 0.92 |
208/3/60 | 7.8 | 0.92 |
230/3/60 | 7.0 | 0.92 |
400/3/60 | 4.0 | 0.92 |
440/3/60 | 3.7 | 0.92 |
460/3/60 | 3.5 | 0.92 |
480/3/60 | 3.4 | 0.92 |
575/3/60 | 2.8 | 0.92 |
200/3/50 | 14.4 | 1.0 |
220/3/50 | 13.0 | 1.0 |
380/3/50 | 7.5 | 1.0 |
400/3/50 | 7.2 | 1.0 |
415/3/50 | 6.9 | 1.0 |
425/3/50 | 6.7 | 1.0 |
440/3/50 | 6.5 | 1.0 |
500/3/50 | 5.7 | 1.0 |
550/3/50 | 5.2 | 1.0 |
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OPEN CIRCUIT VOLTAGES
| Test Points | Input Hertz | Open Circuit Volts |
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| Welding Output Terminals | 60 | 63/68VDC | |
| Welding Output Terminals | 50 | 61/65VDC | |
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WELDING OUTPUT LOAD TEST
| Output Control Settings | Amps | Volts |
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| Current Control at | 40 | 20VDC (Maximum) | |
| Minimum |
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| Current Control at | 375 | 39 to 45 VDC | |
| Maximum |
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