48 Troubleshooting
SEN FAIL fault
Fault symptom | Possible causes |
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SEN FAIL | One or both remote sense leads is disconnected. |
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| DC breaker is open. |
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| Rectifier is still in |
| Sense leads are reversed. |
Erratic load fault
Fault symptom | Possible causes |
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Erratic load | Requirement exceeds total rectifier capacity. |
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Current or voltage float fault
Fault symptom | Possible causes |
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Current or voltage | With paralleled units, the float and/or equalize is |
float | misadjusted causing one or more units to carry the load. |
| Unit is in 'equalize' mode and paralleled units are not. |
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| Remote sense lead has excessive impedance or are not |
| connected on one or more rectifiers. |
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| System batteries are in a recharge mode after AC |
| outage. |
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| Current share mode selection is not the same for all |
| units. |
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| Forced share line is disconnected. (in FS only) |
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UM5C06D (
