Operation 65
UPS SYSTEM (continued)
External shutdown The UPS has been shut down from an external contact.
[Perform a UPS start-up procedure when the conditions causing the ex ternal
shutdown have been corrected.]
COOLING
Fan failure A failure has been detected in at least one of the internal cooling fans.
[Contact Liebert Customer Service and Support.]
System shutdown impending due to
overtemperature An overtemperature condition is present in the UPS cabinet. The UPS will
automatically shutdown if the overtemperature continues.
[Determine the cause of the condition and correct it if possible. Check for
clogged air filter, restricted air flow, or fan failure.]
System shutdown in 5 minutes due to
overtemp Overtemperature condition has persisted. Note the time stamp on the alarm
message.
[Perform an orderly shutdown of th e critical load. Perform a UPS shutd own
procedure or allow the UPS to perform an automatic shut down. Co ntact Lie bert
Customer Service and Support.]
Table 8 Alarm Messages (continued)Alarm
Message Meaning and
Corrective Action in Brackets [ ]