Applicable Systems
Symmetra LX
Symptoms
The UPS internal temperature is too high. The UPS may reduce load or shut down to protect itself.
Possible Causes
- Ambient temperature exceeding the UPS rating
- Cooling fan failure or ventilation blocked
Troubleshooting Steps
- Step 1: Check the ambient temperature around the UPS
Temperature exceeds the rated limit - Step 2: Improve ventilation and reduce ambient temperature
Temperature drops within range
How to Reset
To reset: Reduce the ambient temperature and the alarm will clear automatically.
Source: APC Smart-UPS User Manual, Schneider Electric/APC
Category: UPS