15. Troubleshooting
When an error occurs in the UPS, error data is displayed on the LCD screen and the waveform is saved. This section will describe the types of errors, the error messages displayed on the LCD screen, the process of saving waveforms and the procedures to correct the errors.
15.1 Types of Errors
The following types of errors may occur in the UPS:
No. | Name | Description |
|
|
|
1 | Fault (Trip) | The UPS has been tripped and has stopped operating. |
|
| The UPS is on Bypass. |
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|
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2 | Power is supplied from the battery. When the warning is corrected, | |
| (Input power | power will automatically be supplied from the AC input. |
| failure) |
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|
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3 | The UPS transfers to Bypass supply and the UPS stops operating. | |
| (Stop and | When the warning is corrected, the UPS will automatically be |
| restart) | restarted and revert to UPS supply. |
|
|
|
4 | Warning | An error or a phenomena related to an error occurred. Since this |
| (Operation | problem does not directly affect operation, the system switches to |
| control) | synchronized mode. |
| (guidance) | An error or indication of an error has occurred, but operation was |
| ||
|
| not affected. |
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