Troubleshooting - Tripp Lite SmartOnline SU1500LCD1U Owner's Manual

11 Troubleshooting

1. If a problem occurs, ensure the mains input voltage is present before contacting service personnel.
2. Have the following information ready before contacting service personnel:
• Unit information, including model, serial number, etc.
• An exact description of the problem. The more detailed description of the problem, the better.
3. If the UPS displays an error code, refer to the following table to diagnose and resolve the problem.
Error Code Definition
E01 DC Bus Pre-Charge Abnormal
E04 Inverter Out of Range
E05 Battery Weak or Dead
E06 Inverter Short
E07 EPO Active
E08 Bus Over Charge
E09 Bus Under Charge
E11 Over Temperature Fault
E12 Overload Fault
E13 Charger Fault
E14 Fan Fault
E18 EEPROM Warning
E19 Site Fail
E20 Bus Discharge Fail
Utility Low
E24
E28 Bypass Overload
E29 Charge Over
E32 Bus Unbalance
E33 Inverter Fail
E35 Overload Warning
E36 Over Temperature Warning
Sd Code Definition
Sd UPS Will Shutdown
Note: If all possible causes are eliminated but the alarm still appears, contact your local dealer or service personnel.
Solution
Contact service personnel
Contact service personnel
1. Connect the battery cables firmly
2. Contact service personnel
1. Check whether the output has a short-circuit issue
2. Contact service personnel
After emergency events are eliminated, follow the start-up procedures
to turn on the UPS.
Contact service personnel
Contact service personnel
1. Check whether the UPS's ventilation is normal
2. Decrease the loads
3. Check whether the fan is functioning normally
4. Clean the filters, if installed
Decrease the loads
Contact service personnel
1. Check if foreign matter is stuck in the fan; if yes, remove it
2. Contact service personnel
Contact service personnel
Ensure AC input L/N/G is correct
Contact service personnel
1. Check input voltage
2. Check battery connection
Decrease the loads
Contact service personnel
Contact service personnel
Contact service personnel
Decrease the loads
1. Check whether the UPS system's ventilation is normal
2. Decrease the loads
3. Check whether the fan is functioning normally
4. Clean the filters, if installed
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