| The exhaust fans and ventilation | Choose a |
| to position your UPS to allow | |
UPS over temperature. | grills may be obstructed. | adequate dissipation of heat. |
| ||
| The environment temperature | Position your UPS in cooler |
| exceeds 40oC (104oF). | area. |
“FAULT”LED lights on, | UPS failure. | Call fore service engineer. |
alarm beeps |
|
|
|
|
|
“OVERLOAD” LED | Overloaded. | Remove some critical load. |
lights on and buzzer | ||
beeps continuously. |
|
|
FAULT MESSAGE
Following information indicates various symptoms.
Use this information to determine what factors cause the problem .
1.Alarm will sound to alert user that the UPS requires attention.
2.One or more additional load/battery level LED indicators will illuminate to provide a diagnostic aid to the operator, described as below:
Output temperature protect | D & C LEDs light on |
Output over voltage protect | D LED light on |
Output under voltage protect | C LED light on |
Bus over voltage protect | B LED light on |
Bus under voltage protect | A LED light on |
A B C D
Fig
In case that failure is happened and utility is too low or too high, the UPS output will disable and the bypass and line led will flash.
A B C D
Fig
If problem continues, contact your local dealer.
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S H E E T 2 6 T O