American Power Conversion Bypass Static Predictive Maintenance Screens, Inverter DC Capacitors

Predictive Maintenance Screens

The Predictive Maintenance screens display the stress status and the Expected Remaining Lifetime (ERL) of the critical components of the Symmetra MW UPS system.

There are five Predictive Maintenance screens:

•Inverter DC Capacitors screen

•Inverter AC Capacitors screen

•Top Fans screen

•Inverter Fans screen

•Main Static Switch Fans screen

Inverter DC Capacitors screen

The Inverter DC Capacitor screen displays the actual status and Expected Remaining Lifetime (ERL) of the Inverter DC Capacitors. It is possible to sort the data on the screen by touching any of the column labels.

Normal

Normal

Predictive Maintenance

5.39 PM

Inverter DC Capacitors

Number Type

Stress Status

ERL (months)*

1	OK0046 DC Cap	Normal	120
2	OK0046 DC Cap	Normal	120
3	OK0046 DC Cap	Normal	120
4	OK0046 DC Cap	Normal	120
5	OK0046 DC Cap	Normal	120
6	OK0046 DC Cap	Normal	120
7	OK0046 DC Cap	Normal	120
8	OK0046 DC Cap	Normal	120
9	OK0046 DC Cap	Normal	120
10	OK0046 DC Cap	Normal	120
11	OK0046 DC Cap	Normal	120
12	OK0046 DC Cap	Normal	120

* ERL - Expected Remaining Lifetime

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•Stress Status: States the actual status of the Inverter DC Capacitors. The possible values are:

–Normal (displaying in green)

–Stressed (displaying in yellow)

–Major Stress (displaying in red)

•ERL (months): Predicts the expected remaining lifetime of the particular component.

Symmetra® MW with Internal Bypass Static Switch - User Guide - 990-1756A-001 25