Fault Code - INFOSEC M5T Manuel Utilisateur

Second method:
6) If the bypass is abnormal, you can not remove the UPS without interruption. You must cut off
the load and shut down the system.
7) Make sure the bypass setting is enabled in each UPS and then turn off the system. All UPSs
will transfer to Bypass mode. Remove all the maintenance bypass covers and set the
maintenance switches from "UPS" to "BPS" position. Turn off all the input breakers and battery
breakers in parallel system.
8) Turn off the output breaker and remove the parallel cable and share current cable of the UPS
which you want to remove. Now, you can remove the UPS from parallel system.
9) Turn on the input breaker of the remaining UPS and the system will transfer to Bypass mode.
Set the maintenance switches from "BPS" to "UPS position and put the maintenance bypass
covers back on.
10) Turn on the remaining UPS according to the previous section.
Warning: (Only for the parallel system)
● Before turning on the parallel system to activate inverter, make sure that all unit's maintenance
switch at the same position.
● When parallel system is turned on, please do not operate the maintenance switch of any unit.
● The parallel system DOES NOT support ECO mode. Therefore, please DO NOT "enable"
ECO mode in any unit.

3-6. Fault Code

Fault code Fault event
01 Bus start failure
02 Bus over
03 Bus under
04 Bus unbalance
06 Converter over current
Inverter soft start failure
11
High inverter voltage
12
Low inverter voltage
13
Inverter L1 output(line to
14
neutral) short circuited
Inverter L2 output(line to
15
neutral) short circuited
Inverter L3 output(line to
16
neutral) short circuited
Inverter L1-L2 output (line to
17
line) short circuited
Inverter L2-L3 output (line to
18
line) short circuited
Inverter L3-L1 output (line to
19
line) short circuited
Inverter L1 negative power
1A
fault
Inverter L2 negative power
1B
fault
Inverter L3 negative power
1C
fault
INFOSEC UPS SYSTEM – 15, rue du Moulin – 44880 Sautron, France – www.infosec-ups.com
136
Hotline : +33 (0)2 40 76 15 82 – Fax : +33(0)2 40 94 29 51 – hotline@infosec.fr – 02 22 AA 59 203 08
Fault code Fault event
46 Incorrect UPS setting
47 MCU communication failure
49 Phase error on input and output
61 Bypass SCR short circuited
62 Bypass SCR open circuited
Voltage waveform abnormal in L1
63
phase
Voltage waveform abnormal in L2
64
phase
Voltage waveform abnormal in L3
65
phase
Bypass O/P short circuited
67
Bypass O/P line to line short
68
circuited
Inverter SCR short circuited
69
BUS voltage drops too fast
6C
Current sampling error value
6D
SPS power error
6E
Battery polarity reverse
6F
PFC IGBT over-current in L1
71
phase
PFC IGBT over-current in L2
72
phase