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| TROUBLESHOOTING & REPAIR |
POWER WAVE CURRENT TRANSDUCER TEST (CONTINUED)
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8.If for any reason the machine cannot be loaded to 250 amps, Table F.6 shows what feedback voltage is produced at various cur- rent loads.
9.If the correct supply voltages are applied to the current transducer, and with the machine loaded, the feedback voltage is missing or
not correct, the current transducer may be faulty. Also make certain that lead 211 (plug J8 pin 1) has continuity (zero ohms) between the current transducer and the control board. See the Wiring Diagram.
10.Install the right side case cover using the 3/8” nut driver.
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TABLE F.6 - CURRENT FEEDBACK AT VARIOUS OUTPUT LOADS
OUTPUT LOAD CURRENT | EXPECTED TRANSDUCER FEEDBACK | |
| VOLTAGE | |
|
|
|
500 | 4.0 |
|
450 | 3.6 |
|
400 | 3.2 |
|
350 | 2.8 |
|
300 | 2.4 |
|
250 | 2.0 |
|
200 | 1.6 |
|
150 | 1.2 |
|
100 | 0.8 |
|
50 | 0.4 |
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