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Trouble Shooting
True Online 6-20k UPSUserManual
153
Seq.
Items
0
1
Solution
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
temperature
OK
Fault
Check if the environmental
temperature is over 40, if
rectifier IGBTs is properly
Содержание KOBAN 10KL
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