Gtec ZY120 - Page 34

34
ZY120 6-20kVA (11) User Manual EN rev.04.doc
Seq.
Items
0
1
Solution
8
8
Reserved
9
9
Reserved
10
10
Reserved
11
11
Reserved
12
12
Reserved
13
13
Input phase A over
current
OK
Fault
Check if rectifier IGBT is broken,
DC bus is shorted, or IGBT
drivers are lost, input voltage
display is wrong
14
14
Input phase B over
current
OK
Fault
15
15
Input phase C over
current
OK
Fault
16
16
Output voltage
Fault
OK
Fault
Check if inverter IGBT is broken,
IGBT drivers are lost
17
A1
1
Reserved
18
2
Reserved
19
3
Reserved
20
4
Reserved
21
5
Reserved
22
6
Reserved
23
7
Reserved
24
8
Reserved
25
9
Input voltage Fault
OK
Fault
Input voltage out of range
26
10
Input Frequency
Fault
OK
Fault
Input frequency out of range
27
11
Input Sequence
Fault
OK
Fault
Input sequence is wrong, check
whether input wires connection is
ok.
28
12
REC soft-start
Fault
OK
Fault
Check whether rectifier SCR is
broken, or SCR drivers are lost.
29
13
Reserved
30
14
Reserved
31
15
REC over
OK
Fault
Check if the environmental