Trouble Shooting
Seq.
Items
Fault
77
13
Reserved
Parallel
78
14
connection fault
79
15
Reserved
80
16
Reserved
81
1
Reserved
82
2
Output shorted
83
3
Battery test
Battery
84
4
maintenance
85
5
Reserved
86
6
Reserved
A5
87
7
Reserved
88
8
Reserved
89
9
Reserved
90
10
Reserved
91
11
Reserved
92
12
Reserved
93
13
Reserved
94
14
Reserved
95
15
Reserved
96
16
Reserved
156
True Online 6-20k UPSUserManual
0
1
Solution
shorted or opened.
Check
OK
Fault
connection cable disconnect.
Shutdown
output breaker, check if load is
OK
Fault
effective or short internally,
check if output connector is
shorted.
None
OK
2--Fault
None
OK
2--Fault
whether
parallel
UPS
and
open