33
Operating mode / state
error or fault
state
description.
when an error occurs, the eRRoR icon and the fault code are displayed.
LCd display.
Tab. 11.
Operating modes.
7.2.4.3. warning or alert codes.
Code
Warning or alert description
bl
Low battery
Ol
overload
OI
Input overcurrent
NC
battery not connected
OC
battery overcharge
SF
Input socket connection fault
EP
epo enabled
TP
overtemperature
CH
Charger fault
bF
battery fault
bV
Static bypass voltage out of range
FU
Unstable static bypass frequency
bR
Replace batteries
EE
eepRom error
Tab. 12.
Warning or alert code.
7.2.4.4. error or fault codes.
Code
Error or fault description
01
dC bus start-up fault.
02
dC bus overvoltage.
03
dC bus undervoltage.
11
Inverter soft start fault
12
high voltage in the inverter
13
Low voltage in the inverter
14
Inverter output short-circuited
27
battery voltage too high
28
battery voltage too low
2A
battery charger short-circuited at its output
41
overtemperature
43
output overload
45
Charger fault
49
Input overcurrent
Tab. 13.
Error or fault code.
7.2.4.5. warning or alert indicators.
Code
Icon (flashing)
Audible alarm
battery voltage low.
modulated every 2 seconds
overload.
modulated every 1 seconds
Input overcurrent
modulated twice every 10
seconds
disconnected battery
modulated every 2 seconds
battery overcharge
modulated every 2 seconds
Input socket
connection fault
modulated every 2 seconds
epo enabled
modulated every 2 seconds
overtemperature
modulated every 2 seconds
Charger fault
modulated every 2 seconds
battery fault
BATT fAULT
modulated every 2 seconds
(The UpS disconnects to
warn the user that the
batteries are incorrect).
Static bypass voltage
out of range
BYPASS
modulated every 2 seconds
Unstable static bypass
frequency
BYPASS
modulated every 2 seconds
Replace batteries
modulated every 2 seconds
eepRom error
modulated every 2 seconds
Tab. 14.
Warning or alert indicators.
SLC TWIN RT2
UnInTeRRUpTIbLe poweR SUppLy SySTemS (UpS)
USER MANUAL
