APC SYMMETRA 990 - Manual (Page 26)

Maintenance: Predictive Maintenance Screens
22 Symmetra MW with External Bypass Static Switch Operation Manual - 990-1377D-001
Inverter AC Capacitors screen
The Inverter AC Capacitor screen displays the actual status and Expected Remaining Lifetime (ERL) of
the Inverter AC Capacitors. You can sort the data by pressing any of the column labels.
• Stress Status: Shows the actual status of the
Inverter AC Capacitors. The possible values
are:
– Normal (displayed in green)
– Stressed (displayed in yellow)
– Major Stress (displayed in red)
• ERL (months): Predicts the expected
remaining lifetime of the particular
component.
Top Fans screen
The Top Fans screen displays the actual status and Expected Remaining Lifetime (ERL) of the Top Fans.
You can sort the data by touching any of the column labels.
• Stress Status: Shows the actual status of the
Top Fans. The possible values are:
– Normal (displayed in green)
– Stressed (displayed in yellow)
– Major Stress (displayed in red)
• ERL (months): Predicts the expected
remaining lifetime of the particular
component.