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Troubleshooting 7
Lucent Technologies Model 3000 UPS Operator's Manual (167Ć405Ć119 Issue 3)
59
ActionPossible CauseCondition
OVERLOAD
I1
I2
I3
OUTPUT ON
Weak battery while in Bypass
Mode.
This usually indicates that the
batteries need replacing or the UPS
requires service. Contact your service
representative.
OVERLOAD
I1
I2
I3
OUTPUT ON
Self Test failure. UPS internal
problem.
The UPS may switch to Bypass Mode,
depending on the circumstances.
Reset the UPS by pressing the
Output
| On button until the alarm
beeps.
Contact your service representative if
condition persists.
Resetting the UPS
To reset the UPS while an alarm condition is present, press the Output On button
until the UPS alarm beeps.
Silencing the Alarm
To silence the alarm for an existing fault, press and hold the Output On button for
one second. The alarm becomes quiet. If UPS status changes, the alarm beeps,
overriding previous alarm silencing. Press the Output
On button again to silence
the alarm.
Service and Support
The troubleshooting chart on page 57 covers most of the difficulties you may
encounter during normal operations. If you have any questions or problems with
your UPS, call your Lucent Technologies service representative or the appropriate
telephone number on the service label of your UPS.
Please have the following information ready when you call:
H Model number
H Serial number
H Version number (if available)
H Date of failure or problem
H Symptoms of failure or problem
H Customer return address and contact information