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Chapter 8. Troubleshooting
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.
v Events are silent status information that are recorded in the Event log. Example
v Alarms are recorded in the Event log and displayed on the LCD status screen
v Faults are announced by a continuous beep and red LED, recorded in the Fault
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
3. Press Enter (
4. Scroll through the listed events or faults.
The following table describes conditions that are logged..
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= "AC freq in range".
with the logo blinking. Some alarms are announced by a beep every 3 seconds.
Example = "Battery low".
log and displayed on the LCD with a specific message box. Example: "Out. short
circuit."
button to select Event log or Fault log.
) to review the selected log.
Conditions
Possible cause
Normal operation.
Online mode
A utility power failure has
Battery mode
occurred, an upstream circuit
breaker is tripped, or the input
power cord (if so wired) is
unplugged.
LED is On.
1 beep every 10
seconds.
Action
None.
Check the input power source
and connections.
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