Mike Dolt Enterprises
Mike Dolt Enterprises
User: jackvis
Asked on: Friday, September 3, 2004 at 10:32 am EDT
Answered on: Thursday, May 9, 2024 at 12:50 pm EDT
Question: Has anyone experienced shutdown problems for no apparent reason with this UPS? We have many of these and experience periodic shutdowns with many of them. They will even shutdown with nothing plugged into them. The mfg. claims we probably have a harmonic problem. No doubt we have harmonics, but we don't experience problems with any other equipment. In fact there are other ups in the same headend rooms that operate perfectly fine. This is a school district and these ups are spread all over the city, so the problem is not isolated to one area. I appreciate any help you can provide. Thanks
Potential Causes of Shutdown Problems for Tripp Lite SmartPro UPS
1. Harmonic Distortion
The UPS may be sensitive to harmonic distortion on the input power line. Other equipment in the same location could be generating harmonics that exceed the UPS's tolerance. Use a harmonic analyzer to measure the distortion levels and identify the offending equipment.
2. Power Supply Failure
The UPS is reliant on its internal power supply to operate. A faulty power supply can cause the UPS to shut down unexpectedly. Contact Tripp Lite technical support to check for any known issues or firmware updates.
3. Overloading
The UPS has a limited capacity to provide power to connected devices. If the connected load exceeds the UPS's capacity, it can trigger an overload protection mechanism and cause the UPS to shut down. Check the wattage requirements of the connected devices and ensure that they do not exceed the UPS's capacity.
4. Battery Issues
The UPS relies on its batteries to provide backup power in the event of a power outage. Weak or damaged batteries can cause the UPS to shut down prematurely. Test the batteries regularly and replace them if necessary.
5. Firmware Bugs
The UPS's firmware can contain bugs that can cause unexpected shutdowns. If other causes have been ruled out, contact Tripp Lite technical support to inquire about firmware updates.
6. EMI/RFI Interference
Electromagnetic or radio frequency interference can disrupt the UPS's operation. Check if there are any nearby sources of EMI/RFI, such as motors, generators, or wireless transmitters. Try moving the UPS to a different location or using surge protectors or EMI/RFI filters.
Troubleshooting Steps
1.
Eliminate Harmonic Distortion
Use a harmonic analyzer to identify offending equipment and take corrective action. Consider using a line conditioner or isolation transformer to mitigate harmonics.2.
Test Power Supply and Batteries
Contact Tripp Lite technical support to test the power supply. Perform a battery test to ensure they are holding a charge and providing sufficient backup power.3.
Check Load Capacity
Calculate the total wattage of all connected devices. Ensure that the load does not exceed the UPS's capacity.4.
Update Firmware
Contact Tripp Lite technical support for any firmware updates that may address shutdown issues.5.
Eliminate EMI/RFI Interference:* Move the UPS to a different location or use EMI/RFI filters or surge protectors.If the problem persists after following these steps, contact Tripp Lite technical support for further assistance. Flag for review