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Chapter 11 Troubleshooting
Chapter 11 Troubleshooting
This chapter also gives an overview of known issues and how to resolve them.
The Lenovo UPS is designed for durable, automatic operation. It will alert you whenever
operating problems occur. Usually the alarms shown by the control panel do not mean that the
output power is affected. Instead, they are preventive alarms intended to alert the user.
Events are silent status information that are recorded in the Event log. Example = "AC
•
freq in range".
Alarms are recorded in the Event log and displayed on the LCD status screen with the
•
logo blinking. Some alarms are announced by a beep every 3 seconds. Example:
"Battery low".
Faults are announced by a continuous beep and red LED, recorded in the Fault log and
•
displayed on the LCD with a specific message box. Example: "Out. short circuit."
Use the following troubleshooting chart to interpret alarm conditions.
Alarms and faults
To check the Event log or Fault log:
1. Press any button on the front panel display to activate the menu options.
2. Press the button to select Event log or Fault log.
3. Press Enter ( ) to review the selected log.
4. Scroll through the listed events or faults.
The following table describes conditions that are logged.
Condition
Online mode
Battery mode
LED is On.
1 beep every 10 seconds.
6U Rack or Tower UPS RT8kVA and RT11kVA IUOMG
Possible cause
Normal operation.
A utility power failure has
occurred, an upstream circuit
breaker is tripped, or the input
power cord (if so wired) is
unplugged.
Action
None.
Check the input power source
and connections.
165
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