AEG Protect A. 1000 Operating Instructions Manual page 28

Fault
CODE
01
02
03
04
05
If there is an overload, the
second.
8) If there is a battery undervoltage (only a few seconds
remaining until the UPS shuts down), the
flashes every second.
9) If there is a threat of battery overload, the
flashes every 3 seconds.
Possible fault cause
Output short circuit
(output voltage less than 60 V)
Overload indicator
Immediate fault message in mains/normal
operation with a capacity utilisation of >
120%, at a capacity utilisation > 110% the
fault message comes after 5 minutes or
after 30 seconds in battery operation.
Output voltage
permitted tolerance range
Fan fault
Overload of booster stage
Acoustic alarm after 10 minutes with
activated booster stage and > 86% load;
shut-down after a further 5 minutes.
28
deviation, outside
indicator flashes every
the
indicator
indicator