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Table 8. Troubleshooting (cont.)
LCD Message or Possible Cause Action
Condition
Overcharge Batteries are over-charged. Save your work and turn off your equipment.
Constant beep. Turn off the UPS. Contact your service
representative.
O/P Short Output short circuit. Save your work and turn off your equipment
Constant beep. Turn off the UPS. Contact your service
representative.
High O/P V High output voltage. Save your work and turn off your equipment.
Constant beep. Turn off the UPS. Contact your service
representative.
Low O/P V Low output voltage. Save your work and turn off your equipment.
Constant beep. Turn off the UPS. Contact your service
representative.
DC Bus Fault High internal DC bus Save your work and turn off your equipment.
2 beeps per second. voltage. Turn off the UPS. Contact your service
representative.
Bypass not Avail Bypass voltage outside Warning only. Adjust bypas input voltage, if
bypass range. possible
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