Seq.
Items
Bypass SCR or
56
8
relay fault
57
9
Reserved
58
10
Reserved
BYP
frequency
59
11
over track range
60
12
Reserved
61
13
Reserved
Over
load
62
14
out
63
15
Reserved
64
16
Reserved
65
1
Manual shutdown normal
66
2
INV protect
Transfer
67
3
limit in one hour
68
4
Reserved
69
5
Reserved
70
6
Reserved
71
7
Reserved
A4
INV
72
8
temperature Fault
73
9
Reserved
74
10
Reserved
75
11
Over load
76
12
INV relay or fuse OK
True Online 6-20k UPSUserManual
0
1
Solution
OK
Fault
UPS requires service.
Check
OK
Fault
frequency is abnormal
time
OK
Fault
shutdo
wn
OK
Fault
Transfer
times
OK
Fault
inverter and bypass is over 5
times in one hour
Check if environmental temp is
over
OK
Fault
over
abnormal
Check load level indicator and
remove
Over
OK
Recalculate
load
remove
connected to UPS.
Fault
Check
Trouble Shooting
if
bypass
input
times
between
40C,
or
fans
are
non-essential
load.
the
load
and
number
of
loads
if
inverter
relay
is
155