P73335u_UPS_man.qxd | 4/30/01 12:19 PM Page 20 |
Troubleshooting
PROBLEM | POSSIBLE CAUSE | SOLUTION | |
|
|
| |
All LEDs light. | Internal UPS fault. | 1. Turn off UPS. | |
|
| 2. Call for service. | |
|
|
| |
'REPLACE BATTERY' | Weak batteries. | 1. Recharge the batteries | |
LED lights. |
| for at least 4 hours. | |
|
| 2. If problem remains, | |
|
| replace the batteries. | |
|
|
| |
Incorrect transmission | |||
does not work | speed. | another different | |
properly. |
| transmission speed. | |
| Incorrect | ||
| COM1 / COM2 on PC | ||
| connection. | again. | |
UPS operates on | The rear panel circuit | 1. Reduce some loads | |
battery even though | breaker is tripped. (Button | connected to the UPS. | |
good line voltage may | is out) | 2. Reset the circuit | |
be present. | |||
| breaker. (Push button in) | ||
|
| ||
| Very high, low, or | Have qualified electrician | |
| distorted utility voltage. | check the input voltage. | |
|
|
| |
| Wiring error such as | Get wiring checked by | |
| reversed hot/neutral. | electrician. | |
|
| ||
UPS over temperature. | The environment | Position your UPS in | |
( BUCK, BOOST, | cooler area. | ||
temperature exceeds | |||
NORMAL, ON |
| ||
40°C (104°F). |
| ||
BATTERY LEDs light) |
| ||
|
| ||
|
|
|
20
