Gtec ZY120 - Page 36

36
ZY120 6-20kVA (11) User Manual EN rev.04.doc
Seq.
Items
0
1
Solution
normal
56
8
Bypass SCR or
relay fault
OK
Fault
UPS requires service.
57
9
Reserved
58
10
Reserved
59
11
BYP frequency
over track range
OK
Fault
Check if bypass input frequency
is abnormal
60
12
Reserved
61
13
Reserved
62
14
Over load time out
OK
Fault
63
15
Reserved
64
16
Reserved
65
A4
1
Manual shutdown
normal
shutdo
wn
66
2
INV protect
OK
Fault
67
3
Transfer times limit
in one hour
OK
Fault
Transfer times between inverter
and bypass is over 5 times in one
hour
68
4
Reserved
69
5
Reserved
70
6
Reserved
71
7
Reserved
72
8
INV over
temperature Fault
OK
Fault
Check if environmental temp is
over 40C, or fans are abnormal
73
9
Reserved
74
10
Reserved
75
11
Over load
OK
Over
load
Check load level indicator and
remove non-essential load.
Recalculate the load and remove
number of loads connected to
UPS.
76
12
INV relay or fuse
OK
Fault
Check if inverter relay is shorted