Troubleshooting  97 
On boost alarm 
Possible Cause: The input voltage is too low for the UPS. The UPS boosts the voltage up to acceptable 
limits.  
Action: For information on Boost mode, refer to the UPS documentation. 
 
On buck alarm 
Possible Cause: The input voltage is too high for the UPS. The UPS bucks the voltage down to acceptable 
limits. 
Action: For information on Buck mode, refer to the UPS documentation. 
 
Operating system firewall prevents management 
module functionality 
Symptom: The management module does not connect with the agent or browser. 
Action: Follow the instructions in the operating system documentation to disable the firewall or to keep the 
firewall enabled with port 3573 open. 
 
Overload alarm 
Possible Cause: The device load has exceeded the UPS power rating. 
Action: Verify all equipment is drawing within the rated requirements. If necessary, reduce the equipment 
connected to the UPS. The UPS might need to be reset. 
 
Receiving a security error 
Symptom: Security error: Domain Name mismatch message when trying to browse with SSL. 
Possible Cause: The IP address or server name has changed. 
Action: Stop the service, delete the certificate file, and restart the service. 
 
Redundant status error displays on the Attached 
Devices screen for a nonredundant configuration 
Possible Cause: The HP UPS Power Protection Agent was incorrectly configured. 
Action: Reconfigure the agent. 
1.  Open the agent configuration program for your operating system. 
o  Windows ("Reconfiguring the agent on Windows operating systems" on page 34) 
o  Linux ("Reconfiguring the agent on Linux operating systems" on page 38) 
o  HP-UX ("Reconfiguring the agent on HP-UX operating systems" on page 40)