HP R7000 UPS R12000 XR Models User Guide - Page 24

Placing the UPS in Bypass Mode, Shutting Down the System, slowly

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Operation IMPORTANT: Although the Test/Alarm Reset button silences the audible alarm, the condition that caused the alarm still exists. Refer to Chapter 5, "Troubleshooting," for information on what to do if the UPS detects an alarm condition. The silencing of the alarm is based on the current set of alarms that is present when the button is pressed. If the alarm set changes and at least one alarm condition still exists, the audible alarm reactivates. If the condition that caused the alarm is a utility power failure, the alarm is silenced shortly after utility power is restored. Placing the UPS in Bypass Mode This mode can be enabled by any of the following events: • Using the Bypass switch on the rear panel • Overload conditions • Manual removal of an electronics module when in Operate mode NOTE: HP does not recommend enabling Manual Bypass mode when the Bypass LED is flashing (Bypass mode not available). Shutting Down the System To shut down the system: 1. Place the UPS in Standby mode by pressing the Standby button for four seconds. The load relays open and the Utility LED begins to flash slowly. NOTE: Pressing the Standby button for seven seconds reboots the system. The system recovers to Standby mode. 2. Disconnect the AC mains by opening the switch or circuit breaker at the utility panel. 2-8 HP Uninterruptible Power System R12000 XR Models User Guide

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Operation
2-8
HP Uninterruptible Power System R12000 XR Models User Guide
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•
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IMPORTANT:
Although the Test/Alarm Reset button silences the audible alarm, the condition that
caused the alarm still exists. Refer to Chapter 5, “Troubleshooting,” for information on what to do if the
UPS detects an alarm condition.
The silencing of the alarm is based on the
current
set of alarms that is present when the button is
pressed. If the alarm set changes and at least one alarm condition still exists, the audible alarm
reactivates.
If the condition that caused the alarm is a utility power failure, the alarm is silenced shortly after utility
power is restored.
Placing the UPS in Bypass Mode
This mode can be enabled by any of the following events:
Using the Bypass switch on the rear panel
Overload conditions
Manual removal of an electronics module when in Operate mode
NOTE:
HP does not recommend enabling Manual Bypass mode when the Bypass LED is flashing
(Bypass mode not available).
Shutting Down the System
To shut down the system:
1.
Place the UPS in Standby mode by pressing the Standby button for four seconds. The
load relays open and the Utility LED begins to flash
slowly
.
NOTE:
Pressing the Standby button for seven seconds reboots the system. The system recovers
to Standby mode.
2.
Disconnect the AC mains by opening the switch or circuit breaker at the utility panel.