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UPS Display: Predictive Maintenance Screens
Symmetra® MW with Internal Bypass Static Switch - User Guide - 990-1756A-001 29
Main Static Switch Fans screen
The Main Static Switch Fans screen displays the actual status and Expected Remaining Lifetime
(ERL) of the Main Static Switch Fans. It is possible to sort the data on the screen by touching either
of the column labels.
• Stress Status: States the actual status of the Main Static Switch Fans. 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.
Normal
Normal
Predictive Maintenance
Main Static Switch Fans
5.39 PM
Page 5 of 5
TypeNumber Stress Status
ERL (months)*
490-00XX SSW Fan xxx
490-00XX SSW Fan xxx
490-00XX SSW Fan xxx
490-00XX SSW Fan xxx
490-00XX SSW Fan xxx
490-00XX SSW Fan xxx
490-00XX SSW Fan xxx
490-00XX SSW Fan xxx
490-00XX SSW Fan xxx
490-00XX SSW Fan xxx
490-00XX SSW Fan xxx
490-00XX SSW Fan xxx
120
120
120
120
120
120
120
120
120
120
120
120
Normal
Normal
Normal
Normal
Normal
Normal
Normal
Normal
Normal
Normal
Normal
Normal
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2
3
4
5
6
7
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9
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* ERL - Expected Remaining Lifetime