ABB PowerValue 11 RT G2 User Manual page 35

7 T R O U B L E S H O OT I N G
Symptom
No indication and alarm even though
the mains is normal.
The icon and flashing on
LCD display and alarm is sounding
every.
Fault code is shown as 27 and alarm
is continuously sounding.
Fault code is shown as 28 and alarm
is continuously sounding.
The icon and flashing on
LCD and alarm is sounding twice
every second.
Fault code is shown as 43 and the
icon is lighting on LCD and
alarm is continuously sounding.
Fault code is shown as 14 and alarm
is continuously sounding.
Fault code is shown as 01, 02, 03, 04,
11, 12, 13, 41 and 45 on LCD and
alarm is continuously sounding.
Battery backup time is shorter than
nominal value
Possible cause
The AC input power is not connected
well.
The AC input is connected to the UPS
output.
The external or internal battery is
incorrectly connected.
Battery voltage is too high or the
charger is faulty.
Battery voltage is too low or the
charger is faulty.
UPS is overloaded.
UPS is overloaded. Devices connected
to the UPS are fed directly by the
electrical network via the bypass.
After repetitive overloads, the UPS is
locked in the bypass mode.
Connected devices are fed directly
by the mains.
The UPS shut down automatically
because of overload at the UPS
output.
The UPS shut down automatically
because short-circuit occurred on
the UPS output.
A UPS internal fault has occurred.
There are two possible results:
1. The load is still supplied, but
directly from AC power via bypass.
2. The load is no longer supplied by
power.
Batteries are not fully charged
Batteries defective.
Remedy
Check if input power cord firmly
connected to the mains.
Plug AC input power cord to AC input
correctly.
Check if all batteries are connected
well.
Contact your dealer.
Contact your dealer.
Remove excess loads from UPS
output.
Remove excess loads from UPS
output.
Remove excess loads from UPS
output first. Then shut down the UPS
and restart it.
Remove excess loads from UPS
output and restart it.
Check output wiring and if
connected devices are in short-
circuit status.
Contact your dealer
Charge the batteries for at least 5
hours and then check capacity. If the
problem still persists, consult your
dealer.
Contact your dealer to replace the
battery.
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