6:TROUBLESHOOTING
Use the chart below to solve minor UPS installation and operation problems. Refer to APC for assis- tance with complex UPS problems.
PROBLEM AND/OR POSSIBLE | SOLUTION |
CAUSE |
|
UPS WILL NOT TURN ON |
|
UPS not connected to utility | Check that the power cord from the UPS to the utility power supply is se- |
power supply. | curely connected at both ends. |
|
|
Battery not connected prop- | Check that the battery connector is fully snapped into position. |
erly. |
|
|
|
Very low or no utility voltage. | Check the utility power supply to the UPS by plugging in a table lamp. If the |
| light is very dim, have the utility voltage checked. |
|
|
UPS WILL NOT TURN OFF |
|
The front display is not lit, yet | Gently attempt to reposition the black switch to the left, and the module will |
the outlets are powered. | be activated. |
The black switch is stuck in |
|
the off (right) position. In this |
|
position, the switch disables |
|
operation of the power module |
|
and power to the loads is by- |
|
passed around the power |
|
module. |
|
|
|
UPS BEEPS OCCASIONALLY |
|
Normal operating UPS beeps | None. The UPS is protecting the connected equipment from occasional util- |
when running on battery. | ity power irregularities. |
|
|
UPS IS NOT PROVIDING EXPECTED BACKUP TIME | |
The UPS battery is weak due | Charge the battery. Batteries require recharging after extended outages, and |
to a recent outage or is near | wear faster when frequently put into service or when operated at elevated |
the end of the service life. | temperatures. If the battery is near the end of the service life, consider re- |
| placing the battery even if the replace battery LED is not yet illuminated. |
|
|
THE OUTPUT VOLTAGE IS NOT MEETING EXPECTATIONS | |
The output voltage on battery | Check that the voltage selection rotary switch is set to the desired level (See |
is too low or too high. | Installation). Note: In order to register any modification in voltage selec- |
| tion, the UPS must be turned off and then on again. |
|
|
The output voltage online is | The UPS allows a certain range of output voltage to be filtered from the |
too high or too low. | input before it goes to battery. If this range is too wide for the load equip- |
| ment, the upper and lower limits can be customized (through software) to |
| your application. |
|
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