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4.6 Display Messages/Troubleshooting
This section lists the event and alarm messages that the UPS might display. The messages are
listed in alphabetical order. This section is listed with each alarm message to help you troubleshoot
problems.
Display messages
Operational Status and Mode(s)
Code
Information
(ST)
stand for
1
Initialized
2
Standby Mode
3
No Output
4
Bypass Mode
5
Utility Mode
6
Battery Mode
Battery
7
Self-diagnostics
Inverter is
8
starting up
9
ECO Mode
10
EPO Mode
Maintenance
11
Bypass Mode
12
Fault Mode
CAUTION
"X" means it is determined by other conditions
：
Alarm Information
Fault code
UPS Alarm Warning
(Err)
1
Rectifier Fault
Inverter fault(Including Inverter
2
bridge is shorted)
3
Inverter Thyristor short
4
Inverter Thyristor broken
5
Bypass Thyristor short
6
Bypass Thyristor broken
7
Fuse broken
8
Parallel relay fault
9
Fan fault
10
Reserve
11
Auxiliary power fault
12
Initializtion fault
13
P-Battery Charger fault
14
N-Battery Charger fault
Fault
Bypass
EXTINGUISH EXTINGUISH EXTINGUISH EXTINGUISH
EXTINGUISH EXTINGUISH
EXTINGUISH EXTINGUISH
EXTINGUISH
LIGHT
EXTINGUISH EXTINGUISH
EXTINGUISH EXTINGUISH
EXTINGUISH EXTINGUISH
EXTINGUISH
EXTINGUISH
LIGHT
EXTINGUISH
EXTINGUISH EXTINGUISH EXTINGUISH EXTINGUISH
LIGHT
Beep continuously
Beep continuously
Beep continuously
Beep continuously
Beep continuously
Beep continuously
Beep continuously
Beep continuously
Beep continuously
Beep continuously
Beep continuously
Beep continuously
Beep continuously
Beep continuously
34
LED
Battery
X
X
X
X
LIGHT
LIGHT
X
X
X
X
X
X
X
Buzzer
Fault LED lit
Fault LED lit
Fault LED lit
Fault LED lit
Fault LED lit
Fault LED lit
Fault LED lit
Fault LED lit
Fault LED lit
Fault LED lit
Fault LED lit
Fault LED lit
Fault LED lit
Fault LED lit
Inverter
EXTINGUISH
EXTINGUISH
EXTINGUISH
LIGHT
EXTINGUISH
EXTINGUISH
EXTINGUISH
X
EXTINGUISH
X
LED
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