6.2Fault Diagnosis / Fault Rectification
The PROTECT C. generates detailed error messages. Support personal can localise and interpret faults quickly and precisely.
6.2.1 | Error Messages |
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| Problem | Cause | Solution |
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| UPS does not start. | Mains and battery voltage | Check building wiring |
| No indication, no audible | not in the tolerance range, | socket outlet and input |
| signal even though system | possible battery deep | cable. |
| is connected to mains | discharge. |
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| power supply. |
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| LED “Line” flashes and | Phase and neutral | Rotate mains power |
| audible signal sounding | conductor at input of UPS | socket by 180° or |
| every 3 minutes. | system are reversed. | connect UPS system. |
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| LED “Line” flashes and | Input power and/or | Check input power |
| LED “Battery” lights up. | frequency are out of | source (Voltage, |
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| tolerance. | frequency) and inform |
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| house electrician if |
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| necessary. |
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| LED “Line” and LED | Inverter not switched on. | Press |
| “Bypass” light up even |
| for about 2 seconds. |
| though the power supply |
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| is available. No supply of |
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| connected loads. |
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| LED “Inverter” and LED | Mains power supply has | Try to replace mains |
| “Battery” lights up, and | failed. Automatic switch | supply (possibly |
| audible signal sounding | to battery mode. | triggered fuse in sub |
| every 4 seconds. |
| distribution). When |
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| audible alarm sounding |
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| every second, battery |
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| is almost unloaded. At |
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| this point it is time to |
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| proceed with an system |
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| shutdown of all you IT |
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| equipment. |
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| LED “fault” lights,audible | Overload of the UPS | Reduce utilizations of |
| signal once a second. | system. | UPS by removing loads |
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| of UPS output. |
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