Alarms
NOTE:
Utility = Mains
Possible alarm | Description | Action | |
39. | System is locked in oper. | UPS has attempted 10 times | If the system is locked in |
| mode | within 1 min. to switch from | bypass operation and the |
| alarm “Inverter voltage | ||
|
| bypass to battery operation | |
|
| error” exists in the alarm | |
|
| or “High DC warning” has | |
|
| stack do not try to unlock | |
|
| appeared | the operations mode lock |
|
| 1 min. | but - call for assistance! |
|
|
| |
40 | RAM1 memory write error | Fault in UPS | Call for assistance |
41. | Memory write error | Fault in UPS | Call for assistance |
42. | Communication to VQ | Fault in UPS | Call for assistance |
| bypass lost |
|
|
|
|
|
|
43. | Communication to VQ | Fault in UPS | Call for assistance |
| output lost |
|
|
44. | Communication to DMU | Fault in UPS | Call for assistance |
| lost |
|
|
45. | Communication to control- | Fault in UPS. Display will | Call for assistance |
| ler lost | show invalid data for UPS |
|
|
|
|
|
46. | Communication to parallel | Fault in UPS | Call for assistance |
| IF lost |
|
|
47. | External shutdown | Remote signal for switching | – |
| accepted | off the UPS accepted – UPS |
|
|
| switches off itself |
|
48. | DC capacitor charge error | Fault in DC charge circuit | Do NOT close |
|
|
| external MCCB due to |
|
|
| preventing damage of |
|
|
| UPS system. |
|
|
| Call for assistance |
|
|
|
|
49. | Communication to VQ | Fault in UPS | Call for assistance |
| mains lost |
|
|
50. | Bypass sync error | The UPS cannot synchronize | Check if phase rota- |
|
| to the bypass utility | tion of bypass voltage |
|
|
| is correct - if OK, call |
|
|
| for assistance |
|
|
|
|
7OA0002 US rev. 04
User Guide Silcon DP300E Series 480V | 29 |
