TROUBLESHOOTING
The information below indicates various symptoms a user may encounter in the event the PowerSure™ Interactive UPS develops a problem. Use this information to determine whether external factors cause the problem and how to remedy the situation.
1.The fault indicator will flash every second to indicate the UPS detected a problem.
2.An alarm will sound, alerting that the UPS requires attention.
3.One or more additional load/battery level LED segments will be illuminated to provide a diagnostic aid to the operator, as described below:
TROUBLESHOOTING GUIDE
PROBLEM | CAUSE | SOLUTION |
UPS fails to start when On/Off | UPS output short circuited or | Ensure UPS is off. Disconnect all |
button is pressed | overloaded. | loads and ensure nothing is |
|
| lodged in output receptacles. |
|
| Ensure loads are not defective or |
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| shorted internally. |
| Internal fuse is blown, indicating | Do not attempt to open or service |
| internal fault. | the UPS. Contact your dealer or |
|
| LTS. |
Mains indicator flashing | UPS not plugged in. | UPS is operating in battery mode, |
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| make certain UPS is securely |
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| plugged into the wall receptacle. |
| UPS input protection has opened. | UPS is operating in battery mode. |
|
| Save data and close applications. |
|
| Replace UPS input fuse or reset |
Load/ Battery
Level Indicators
Utility High/Low Utility
Alarm silence/Test
On/Off
“D” indicator
Fault indicator (flashes every second)
“B” indicator “A” indicator
|
| input breaker, then restart UPS . |
| Mains voltage out of UPS input | UPS is operating in battery mode. |
| range. | Save data and close applications. |
|
| Ensure mains supply voltage is |
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| within acceptable limits for UPS. |
UPS has reduced battery time | Batteries not charged. | Keep UPS plugged in |
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| continuously at least 24 hours to |
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| recharge batteries. |
| UPS is overloaded. | Check load level display and |
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| remove non essential loads. |
| Batteries may not be able to hold | Replace batteries. Contact your |
| a full charge due to age. | dealer or LTS for replacement |
|
| battery kit. |
“Fault” indicator and diagnostic | UPS fan failure or battery | UPS requires service. Contact |
LED “A” are illuminated | overcharge. | your dealer or LTS. |
A.UPS fault (fan failure, battery overcharge)
NOTE: The internal fan operates intermittently as needed
B.UPS failed battery test
D.UPS shutdown due to output overload
A&B. UPS shutdown due to main input relay failure/output short circuit A&D. UPS shutdown due to over temperature condition
B&D. UPS shutdown due to command from communication ports (remote shutdown or SNMP)
The fault indicators will be illuminated indefinitely while battery charger is operational, or for a maximum of 5 minutes while battery charger is not operational.
If a problem persists consult your dealer, or contact Liebert Technical Support (LTS). World Wide Technical Support numbers are located at the end of this section.
“Fault” indicator and diagnostic | UPS failed the battery test. | Replace batteries. Contact your |
LED “B” are illuminated |
| dealer or LTS for replacement |
|
| battery kit. |
UPS shut down. “Fault” indicator | UPS overloaded or load | Check load level display and |
and diagnostic LED “D” are | equipment is faulty. | remove non essential loads. |
illuminated |
| Recalculate load VA and reduce |
|
| number of loads connected to |
|
| UPS. Check load equipment for |
|
| faults. |
UPS shuts down with the “Fault” | UPS shutdown due to internal | UPS requires service. Contact |
indicator and diagnostic LEDs “A” | failure. | your dealer or LTS. |
& “B” are illuminated |
|
|
UPS shuts down with the “Fault” | UPS shutdown due to an internal | Ensure UPS is not overloaded, |
indicator and diagnostic LEDs “A” | over temperature condition. | ventilation openings not blocked, |
& “D” are illuminated |
| or room ambient temperature not |
|
| excessive. Wait 30 minutes to |
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| allow UPS to cool, then restart |
|
| UPS. If it does not restart, |
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| contact your dealer or LTS. |
UPS shuts down with the “Fault” | UPS shutdown due to a command | Your UPS has received a signal |
indicator and diagnostic LEDs “B” | from the communications port(s). | or command from the attached |
& “D” are illuminated |
| computer. If this was inadvertent, |
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| ensure the communication cable |
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| used is correct for your system. |
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| For assistance, contact your |
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| dealer or LTS. |
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