79
INFOSEC UPS SYSTEM – 4 rue de la Rigotière – 44700 Orvault – France – www.infosec-ups.com
Hot Line Tel : +33 (0)2 40 76 15 82 – fax : +33(0)2 40 94 29 51 – [email protected] –12 13 AA 59 203 07
Fault status
Description
When UPS has fault happened, the inverter will be blocked. It will display fault
code in screen, and the icon will light up. You can find the code meaning in the
fault code table.
LCD display
3-9. Fault Code
Fault code
Fault event
Icon Fault code Fault event
Icon
01
Bus start failure
None
1A
Inverter A negative power
fault
None
02
Bus over
None
1B
Inverter B negative power
fault
None
03
Bus under
None
1C
Inverter C negative power
fault
None
04
Bus unbalance
None
21
Battery SCR short circuited
None
06
Converter over current
None
24
Inverter relay short circuited
None
11
Inverter soft start failure
None
29
Battery fuse broken in
Battery mode
None
12
High inverter voltage
None
31
Parallel communication
failure
None
13
Low inverter voltage
None
36
Parallel output current
unbalance
None
14
Inverter A output(line to
neutral) short circuited
41 Over
temperature
None
15
Inverter B output(line to
neutral) short circuited
42
DSP communication failure
None
16
Inverter C output(line to
neutral) short circuited
43 Overload
17
Inverter A-B output (line
to line) short circuited
46
Incorrect UPS setting
None
18
Inverter B-C output (line
to line) short circuited
47
MCU communication failure
None
19
Inverter C-A output (line
to line) short circuited
48
Two DSP firmware versions
are incompatible.
None
49
Input and output phases are
incompatible
None