Alarms
NOTE:
Utility = Mains
7OA0004 US rev. 02
Possible alarm | Description | Action | |
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20. | High temp. isolation | Temperature on isolation | Check fan, check for |
| transformer | input/output transformer to | airflow obstructions, |
|
| high | check for overload |
21. | High temp. utility static | Temperature on static input | As no. 20 |
| switch | switch too high |
|
22. | High temp. bypass static | Temperature on static bypass | As no. 20 |
| switch | switch too high |
|
23. | High temperature main | Temperature on main inverter | As no. 20 |
| inverter | too high |
|
24. | High temperature delta | Temperature on delta inverter | As no. 20 |
| inverter | too high |
|
25. | Low DC shutdown | The battery has been | Ensure battery |
|
| discharged to minimum | recharging |
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| permissionable level |
|
26. | Low DC warning | The battery is nearly | Save your data now |
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| decharged | Power down equip- |
|
|
| ment |
27. | Mains is moment. out of | Short disturbances on the | – |
| tolerance | utility supply (1 ms tran- |
|
|
| sients) |
|
28. | Mains is out of tolerance | Utility input voltage r.m.s. | – |
|
| value outside limits |
|
29. | Mains freq. is out of | Utility input frequency outside | – |
| tolerance | limits |
|
30. | Bypass is moment out of | Short disturbances on the | – |
| tolerance | bypass voltage |
|
31. | Bypass is out of tolerance | Bypass input voltage outside | – |
|
| limit |
|
32. | Bypass freq. is out of | Bypass input frequency | – |
| tolerance | outside limits |
|
33. | Output is moment. out of | Short disturbances on the | If repetitive call for |
| tolerance | output voltages | assistance |
|
| (inrush current) |
|
34. | Output is out of tolerance | Output voltage outside limits | Call for assistance |
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35. | Output freq. is out of | Output frequency outside | Call for assistance |
| tolerance | limits |
|
36. | High battery temperature | To high battery ambient | Check system |
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| temperature | ambient temp., check |
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| fan, check for airflow |
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| obstructions |
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37. | Battery week | Battery capacity below 75% | Perform a battery |
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| or battery MCCB switched off | capacity test |
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38. | Battery defective | Insufficient battery capacity | Call for assistance |
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| or battery MCCB switched off |
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28 | User Guide Silcon DP300E Series 480V |
