Chapter 6
6-11
Troubleshooting
UPS Running on AC Power with Audible Alarm
UPS Running on AC Power with Audible Alarm
Case 2 (Abnormal) — Battery Operation Problem
Indicators:
AC Output
lit
Battery Power
not lit
Attention
lit
Caution LED may or may not be lit
Enable lit
Audible alarm: 3-beeps every 10 seconds
Meaning:
The output to the protected equipment is enabled and supplying AC power,
but there is an internal problem with the UPS battery or electronic
circuits. The UPS may not be able to switch to battery power if the AC
power fails.
Cause:
Either the battery charger failed or the inverter logic is out of phase with
the AC input; that is, the UPS Electronics Unit needs to be replaced.
Action:
1. Make sure the BYPASS and MAIN INPUT circuit breakers are ON.
CAUTION
If the yellow caution light is flashing, do not proceed. Call HP Service. If the
yellow caution light is not flashing, continue.
2. While depressing the red button on the Service Bypass Unit, set the
Service Bypass switch to
Bypass
.
3. Call HP Service.
Case 3 (Abnormal) — Overtemperature Condition
Indicators:
AC Output
lit
Battery Power
not lit
Attention
two quick flashes every 10 seconds
Caution LED may or may not be lit
Enable lit
Audible alarm: 3-beeps every 10 seconds
Meaning:
Refer to “Overtemperature Considerations”.
Summary of Contents for PowerTrust A3589A
Page 7: ...Contents Contents 5 ...
Page 8: ...Contents 6 Contents ...
Page 10: ...Contents 8 Figures ...
Page 12: ...Contents 10 Tables ...
Page 14: ...2 ...
Page 20: ...Preface 8 ...
Page 22: ...Preface 10 ...
Page 52: ...1 30 Chapter1 Overview Specifications Figure 1 8 UPS Input Voltage Transfer Points ...
Page 56: ...1 34 Chapter1 Overview UPS Modes Figure 1 10 Simplified UPS 5 5 kVA UPS Block Diagram ...
Page 62: ...1 40 Chapter1 Overview Support Information ...
Page 76: ...2 14 Chapter2 Unpacking and Inspecting Shipping and Storage Requirements ...
Page 104: ...3 28 Chapter3 Installing the UPS Examples of PowerTrust Connections in a System ...
Page 116: ...5 4 Chapter5 Verification Procedures Load Testing ...
Page 148: ...7 6 Chapter7 Cleaning and Maintenance Exchanging Batteries Fan ...
Page 190: ...A 42 AppendixA HP UX UPS Monitor Error Messages Log Only Messages ...
Page 218: ...C 8 AppendixC Configuring the OS for the PowerTrust UPS Power Failing the UPS ...