Ain modular UPS manual
- 39 -
DDDD-DDDD
（
Inverter Alarm
）：
Byte 1
8 9 A B C D E F Inverter fault
4 5 6 7
C D E F Inv. IGBT bridge shorted
2 3
6 7
A B
C
E F Inverter Thyristor short
1
3
5
7
9
B
D
F Inverter Thyristor broken
8 9 A B C D E F Bypass Thyristor short
4 5 6 7
C D E F Bypass Thyristor broken
2 3
6 7
A B
C
E F CAN comm. Fault
1
3
5
7
9
B
D
F Parallel load sharing fault
Byte 2
8 9 A B C D E F Bypass Site Wiring Fault
4 5 6 7
C D E F System not Sync. to Bypass
2 3
6 7
A B
C
E F Bypass unable to trace
1
3
5
7
9
B
D
F Bypass Not Available
8 9 A B C D E F IGBT over current
4 5 6 7
C D E F Fuse broken
2 3
6 7
A B
C
E F Cable connection error
1
3
5
7
9
B
D
F Parallel relay fault
Byte 3
8 9 A B C D E F LBS Not SYNC.
4 5 6 7
C D E F Initializtion fault
2 3
6 7
A B
C
E F Inverter on invalid
1
3
5
7
9
B
D
F Overload
8 9 A B C D E F Parallel Overload
4 5 6 7
C D E F DC component over limit.
2 3
6 7
A B
C
E F Bypass over current
1
3
5
7
9
B
D
F Feedback protection
Byte 4
8 9 A B C D E F BUS voltage abnormal
4 5 6 7
C D E F
2 3
6 7
A B
C
E F
1
3
5
7
9
B
D
F
8 9 A B C D E F
4 5 6 7
C D E F
2 3
6 7
A B
C
E F
1
3
5
7
9
B
D
F
EE
（
Inside Monitor
）
：
Tech Novitas FZC: P.O. Box 8073 Q3-144 SAIF ZONE, UAE Phone no.: +971 6 5529892
Tech Novitas (FAR EAST), Ltd. Hong Kong
www.technovitas.com
Tech Novitas FZC: P.O. Box 8073 Q3-144 SAIF ZONE, UAE Phone no.: +971 6 5529892
Tech Novitas (FAR EAST), Ltd. Hong Kong
www.technovitas.com
Tech Novitas FZC: P.O. Box 8073 Q3-144 SAIF ZONE, UAE Phone no.: +971 6 5529892
Tech Novitas (FAR EAST), Ltd. Hong Kong
www.technovitas.com
