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Fault error codes
ERROR
CODE
LOC
E01
E02
E03
E04
E05
E06
E07
E17
E18
E19
E20
E22
E23
E24
E25
E26
E27
E28
E29
Description
When the UPS is brand new, it is protected from
an unwanted power-up during transportation.
The very first start-up of the UPS is possible only
with the power cord connected to the mains.
Inverter voltage high
Inverter voltage low
Output shortcircuit
Internal fault
(only for 2U/3U)
Backfeed relay fault
(only for 2U/3U)
Inverter relay fault
(only for 1U)
The DC offset output voltage is high
(only for 1U)
Charger voltage high
EEPROM communication abnormal
(only for 1U)
Overheating
Overload
Battery disconnected
Battery weak
Charger fault
(only for 1U)
Battery voltage low
End of operation in stored energy mode
Inverter overtemperature
Fan blocked
EPO activated
KEOR SPE R/T
Installation and User Manual
Does the error
turn off the
UPS?
-
Y
Y
Y
Y
Y
Y
Y
N
N
Y
Y
N
N
N
N
Y
Y
N
Y
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