American Power Conversion AP9215 - Manual (Page 5)

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Controls and Indicators
Indicators
Figure 2 Front Panel Indicators
LOAD ON : Indicates that the load connected to the UPS is receiving
power (On-line, On-Battery or Bypass).
ON BATT : Indicates that power to the attached load is being sup-
plied by the UPS’s batteries (unavailable while in Bypass).
BYPASS : Indicates that power to the attached load is being sup-
plied through the UPS’s filtering and surge suppression
circuits directly. The UPS will not power the load from
battery in the event of a power failure. (This feature is
available only on Matrix-UPS and Symmetra models).
FAULT : Indicates that the UPS has detected a problem or certain
configuration changes (includes both hardware failures
and abnormal conditions such as overload or over tem-
perature).
Controls
The control keys are used to navigate between menus, to select menu
items, and to input alphanumeric information. The section entitled
General Navigation on page 6 provides additional information.
Figure 3 Control Keys