B: Troubleshooting
General Fault Codes/PROFIBUS PA Extended Diagnostics
Note: Some faults cause the device to go to
LCD |
| Meaning | Corrective Action | Byte | Bit |
display |
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| Loss of Echo (LOE) condition: | Ensure installation details |
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| the device was unable to get | are correct. Ensure no |
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| a measurement within the | material buildup. Adjust |
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S:0 | * | process conditions to |
| 0 | |
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| Possible causes: faulty | minimize foaming. If problem |
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| installation, material buildup, | persists, contact your local |
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| and/or presence of foam. | Siemens representative. |
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| Reset power. If fault persists, |
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S:2 | * | Internal electronics failure. | contact your local Siemens |
| 2 |
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| representative: repair |
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| required. |
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| Device is nearing its lifetime | Replacement is |
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S:3 |
| limit according to the value | recommended. |
| 3 |
| set in Maintenance Required |
| 0 | ||
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| Limit. |
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| Device is nearing its lifetime | Replacement is |
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S:4 |
| limit according to the value | recommended. |
| 4 |
| set in Maintenance |
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| Demanded Limit. |
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| Sensor is nearing its lifetime | Replacement is |
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S:6 |
| limit according to the value | recommended. |
| 6 |
| set in Maintenance Required |
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| Limit. |
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| Sensor is nearing its lifetime | Replacement is |
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S:7 |
| limit according to the value | recommended. |
| 7 |
| set in Maintenance |
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| Demanded Limit. |
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Page | SITRANS LR 460 – INSTRUCTION MANUAL | 7ML19985JM01 |
