23
Warnings (cont’d)
Warning | Display State | LED State | Alarm State | Description and Resolution |
Input |
| Warning/Fault ... Flash | Alarm will | The input frequency is outside | ||
Frequency |
| 60% .................. Flash | sound for | specified limits. If the unit was | ||
| online when the warning occurred | |||||
Regulation |
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| 3, 1/2- | |||
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| it will transfer to battery backup. | ||||
(see note 1) |
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| second | After the backup the output will | ||
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| beeps at | shutdown. If the unit was in |
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| bypass the output will be turned | |
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| off. The unit will return to normal | |
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| intervals. | |
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| operation if input frequency | |
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| returns to within specified limits. |
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Output |
| Warning/Fault ... Flash | Alarm will | The connected load exceeds | ||
Overload |
| 150% ................ Flash | sound for | the UPS power rating. | ||
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| Reduce the load attached to | |
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| the UPS. The unit will | |
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| at 15- | |
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| automatically return to normal | |
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| second | |
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| operation. | |
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| intervals. | |
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| = Flashing LED |
| = LED lit continuously |
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Note 1: If any of these faults occur while the UPS is in online mode it will immediately transfer to backup mode. In this case the percentage LED’s will be used to show the battery power status. To identify the fault that has occurred listen to the number of consecutive beeps. One beep indicates an input undervoltage, two beeps means input overvoltage, three beeps is a frequency problem.
Note 2: Once the batteries are exhausted the unit will either shutdown the output, or switch to bypass according the selections set by the user (see the section entitled “Programming Mode” part B on page 18).