ABB PowerValue 11 RT 1-3 kVA B Kurzanleitung Seite 22

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Problem
EPO active
Alarm Code:71
Bus fault (Low / high /
Unbalance / Soft start)
Alarm Code: 22/21/23/25
Inverter fault (Low/high/soft
start) Alarm Code:33/32/34
Over temperature fault
Alarm Code:81
NTC open Alarm Code:87
Inverter short Alarm
Code:31
Bus short Alarm Code:24
20 PowerValue 11 RT 1-3 kVA | Quick guide
Possible cause
EPO function is enabled
UPS internal fault
UPS internal fault
Over temperature
UPS internal fault
Output short circuit
UPS internal fault
Remedy
Turn off the EPO switch.
Consult your supplier
Consult your supplier
Check the ventilation of the UPS, check
the ambient temperature and ventilation.
Consult your supplier
Remove all the loads. Turn off the UPS.
Check whether the output of UPS and
loads is short circuited. Make sure the
short circuit is removed, and the UPS has
no internal faults before turning on again.
Consult your supplier