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UPS troubleshooting:
NOTE: Troubleshooting procedures may differ depending on UPS model.
Back-UPS PRO troubleshooting
On/off/test button not pushed.
UPS input circuit breaker tripped.
Computer interface problem.
UPS's input circuit breaker tripped.
Normal UPS operation.
The UPS's battery is weak due to recent outage or it is near the end of
its service life.
The UPS was shutdown by PowerChute® plus software.
All indicators are flashing OR only the On-line and on-battery indicators are flashing
Internal UPS fault.
Building wiring error such as missing ground, hot and neutral polarity
reversal, or overloaded neutral wiring.
The UPS is shutdown and the battery is discharged from an extended
power outage.
Weak batteries.
Batteries Disconnect or internal battery lugs not connected properly.
The UPS is overloaded.
For the complete User Manual or comprehensive troubleshooting, please visit the following websites:
C B M _ O T Q G _ B U 3 _ 2 0 1 1 0 8 0 9 V 0 2
Problem:
UPS will not turn on or off
UPS operates on-battery even though line voltage is thought to exist
UPS does not provide expected back up time
On-line and overload indicators are flashing alternately
The UPS operates normally, but the site wiring fault indicator is lit
All indicators are off and the UPS is not operating
The replace battery light is illuminated
The overload light is illuminated or flashing
APC:
http://www.apc.com
UPS will not turn on
Press the on/off/test button to power the UPS and the loads.
Reduce the load on the UPS by unplugging equipment and reset the circuit
breaker by pressing the plunger back in.
Disconnect the computer interface. If the UPS now works normally, check
the interface cable and troubleshoot the attached computer.
Reduce the load on the UPS by unplugging equipment and reset the circuit
breaker by pushing the plunger back in.
UPS beeps occasionally
None. The UPS is protecting the load.
Charge the battery. The UPS's batteries require recharging after an
extended outage. Batteries age faster when put into service often and when
operated at elevated temperatures. If the battery is near the end of its
service life, consider replacing the battery even if the replace battery
indicator is not yet lit.
None. The UPS will restart automatically when utility power returns.
Do not attempt to use the UPS. Turn the UPS off and have it serviced
immediately.
A qualified electrician should be summoned to correct the building wiring.
The UPS will not provide rated noise and surge suppression with incorrect
building wiring.
None. The UPS will return to normal operation when the power is
restored and the battery has a sufficient charge.
Allow the batteries to recharge for at least 4 hours. If the problem persists
after recharging, replace the batteries.
Confirm the battery connections and battery Disconnect are firmly installed.
Reduce the load on the UPS by unplugging equipment.
or CBM:
http://www.buyupsonline.com
Solution:
Page 4
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