9 – Troubleshooting
If the UPS system malfunctions during operation, check the following:
•Is the input and output wiring correct?
•Is the utility AC input voltage within the acceptable range for the UPS system?
If problems persists, please refer to the instructions below. If the problem continues to persist after following the instructions below and/or restarting the UPS system, contact Tripp Lite for service.
Problem | LCD Screen Error Code | Possible Solution | |
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Fault LED | Er05 + | + | Check the battery connection, then recharge the battery for 12 hours. If the |
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| problem persists, contact Tripp Lite for service and/or battery replacement. |
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Fault LED | Er06/Er10/Er12/Er28 + | If the breaker has tripped, turn off the UPS system completely and allow | |
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| it to cool. Remove some of the load from the UPS output, then reset the |
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| breaker and restart the UPS. If any of the wiring appears to be damaged, |
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| replace it. |
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Fault LED | EPO |
| Remove the EPO terminal short circuit. |
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Fault LED | Er11/Er33 |
| Remove any objects blocking the ventilation holes. Make sure the UPS |
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| location provides adequate ventilation. |
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Fault LED | Er14 |
| Check the cooling fans on the rear panel. If the problem persists, contact |
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| Tripp Lite for service. |
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Fault LED | Er15 |
| Make sure the UPS is operating in normal mode. If it is operating in CVCF |
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| mode, restart the UPS. |
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Fault LED | Er16/Er27 |
| All parallel UPS parameters except ID number must be same. Adjust the |
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| parameters. |
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Fault LED | Er21 |
| Reconnect the RJ45 cable or set a UPS with ID=1. |
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Fault LED | Other Error Code | Have a qualified electrician check the AC supply circuit and wiring, then | |
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| restart the UPS system. If the problem persists, contact Tripp Lite for |
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| service. |
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UPS fails to offer battery | Not Applicable | Recharge the battery uninterrupted for 12 hours. If the problem persists, | |
backup or backup time is |
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| contact Tripp Lite for service and/or battery replacement. |
much shorter than calculated. |
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UPS locks itself and cannot | Not Applicable | Attempt to restart the UPS system (see below). If the problem persists, | |
be turned off. |
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| contact Tripp Lite for service. |
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UPS Detects Error While in Self-Test Mode
If a serious abnormal condition occurs, the UPS system will lock itself in the “OFF” position AAA and the fault LED will illuminate on the
control panel. After three seconds, all messages will be locked except for bypass messages (
and
). If the AC utility input power
becomes abnormal after the UPS locks, the 
LED will go out and
will appear on the LCD.
To release the UPS system lock:
1.Troubleshoot the UPS system problem using the chart above.
2.Press the “OFF”
button for five seconds until the buzzer sounds twice, then release the button.
3.Turn off the utility input breaker.
4.Restart the UPS system by following the instructions in Section
5.If the problem persists, contact Tripp Lite for service.
AAA
UPS Off
18
