Troubleshooting 7
Condition | Possible Cause | Action |
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OVERLOAD
1 2 3
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 1
2 3
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 until the UPS alarm beeps.
On button
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:
Model number
Serial number
Version number (if available)
Date of failure or problem
Symptoms of failure or problem
Customer return address and contact information
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